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Replace OpenSSL with PolarSSL

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Works on windows, not yet cmake.
This commit is contained in:
Matthew Parlane
2013-08-15 20:47:47 +12:00
parent 3f46f26c49
commit fede38985e
397 changed files with 71420 additions and 33049 deletions
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1
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Makefile

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option(INSTALL_POLARSSL_HEADERS "Install PolarSSL headers." ON)
if(INSTALL_POLARSSL_HEADERS)
file(GLOB headers "polarssl/*.h")
install(FILES ${headers}
DESTINATION include/polarssl
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
endif(INSTALL_POLARSSL_HEADERS)

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Externals/polarssl/include/polarssl/aes.h vendored Normal file
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/**
* \file aes.h
*
* \brief AES block cipher
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_AES_H
#define POLARSSL_AES_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define AES_ENCRYPT 1
#define AES_DECRYPT 0
#define POLARSSL_ERR_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
#define POLARSSL_ERR_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
#if !defined(POLARSSL_AES_ALT)
// Regular implementation
//
/**
* \brief AES context structure
*/
typedef struct
{
int nr; /*!< number of rounds */
uint32_t *rk; /*!< AES round keys */
uint32_t buf[68]; /*!< unaligned data */
}
aes_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief AES key schedule (encryption)
*
* \param ctx AES context to be initialized
* \param key encryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
*/
int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int keysize );
/**
* \brief AES key schedule (decryption)
*
* \param ctx AES context to be initialized
* \param key decryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
*/
int aes_setkey_dec( aes_context *ctx, const unsigned char *key, unsigned int keysize );
/**
* \brief AES-ECB block encryption/decryption
*
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if successful
*/
int aes_crypt_ecb( aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
/**
* \brief AES-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (16 bytes)
*
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_INPUT_LENGTH
*/
int aes_crypt_cbc( aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
/**
* \brief AES-CFB128 buffer encryption/decryption.
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
*
* both
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int aes_crypt_cfb128( aes_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
/**
* \brief AES-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
*
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 128-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int aes_crypt_ctr( aes_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_AES_ALT */
#include "aes_alt.h"
#endif /* POLARSSL_AES_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int aes_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* aes.h */

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/**
* \file arc4.h
*
* \brief The ARCFOUR stream cipher
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_ARC4_H
#define POLARSSL_ARC4_H
#include "config.h"
#include <string.h>
#if !defined(POLARSSL_ARC4_ALT)
// Regular implementation
//
/**
* \brief ARC4 context structure
*/
typedef struct
{
int x; /*!< permutation index */
int y; /*!< permutation index */
unsigned char m[256]; /*!< permutation table */
}
arc4_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief ARC4 key schedule
*
* \param ctx ARC4 context to be initialized
* \param key the secret key
* \param keylen length of the key
*/
void arc4_setup( arc4_context *ctx, const unsigned char *key, unsigned int keylen );
/**
* \brief ARC4 cipher function
*
* \param ctx ARC4 context
* \param length length of the input data
* \param input buffer holding the input data
* \param output buffer for the output data
*
* \return 0 if successful
*/
int arc4_crypt( arc4_context *ctx, size_t length, const unsigned char *input,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_ARC4_ALT */
#include "arc4_alt.h"
#endif /* POLARSSL_ARC4_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int arc4_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* arc4.h */

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/**
* \file asn1.h
*
* \brief Generic ASN.1 parsing
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_ASN1_H
#define POLARSSL_ASN1_H
#include "config.h"
#if defined(POLARSSL_BIGNUM_C)
#include "bignum.h"
#endif
#include <string.h>
/**
* \addtogroup asn1_module
* \{
*/
/**
* \name ASN1 Error codes
* These error codes are OR'ed to X509 error codes for
* higher error granularity.
* ASN1 is a standard to specify data structures.
* \{
*/
#define POLARSSL_ERR_ASN1_OUT_OF_DATA -0x0060 /**< Out of data when parsing an ASN1 data structure. */
#define POLARSSL_ERR_ASN1_UNEXPECTED_TAG -0x0062 /**< ASN1 tag was of an unexpected value. */
#define POLARSSL_ERR_ASN1_INVALID_LENGTH -0x0064 /**< Error when trying to determine the length or invalid length. */
#define POLARSSL_ERR_ASN1_LENGTH_MISMATCH -0x0066 /**< Actual length differs from expected length. */
#define POLARSSL_ERR_ASN1_INVALID_DATA -0x0068 /**< Data is invalid. (not used) */
#define POLARSSL_ERR_ASN1_MALLOC_FAILED -0x006A /**< Memory allocation failed */
#define POLARSSL_ERR_ASN1_BUF_TOO_SMALL -0x006C /**< Buffer too small when writing ASN.1 data structure. */
/* \} name */
/**
* \name DER constants
* These constants comply with DER encoded the ANS1 type tags.
* DER encoding uses hexadecimal representation.
* An example DER sequence is:\n
* - 0x02 -- tag indicating INTEGER
* - 0x01 -- length in octets
* - 0x05 -- value
* Such sequences are typically read into \c ::x509_buf.
* \{
*/
#define ASN1_BOOLEAN 0x01
#define ASN1_INTEGER 0x02
#define ASN1_BIT_STRING 0x03
#define ASN1_OCTET_STRING 0x04
#define ASN1_NULL 0x05
#define ASN1_OID 0x06
#define ASN1_UTF8_STRING 0x0C
#define ASN1_SEQUENCE 0x10
#define ASN1_SET 0x11
#define ASN1_PRINTABLE_STRING 0x13
#define ASN1_T61_STRING 0x14
#define ASN1_IA5_STRING 0x16
#define ASN1_UTC_TIME 0x17
#define ASN1_GENERALIZED_TIME 0x18
#define ASN1_UNIVERSAL_STRING 0x1C
#define ASN1_BMP_STRING 0x1E
#define ASN1_PRIMITIVE 0x00
#define ASN1_CONSTRUCTED 0x20
#define ASN1_CONTEXT_SPECIFIC 0x80
/* \} name */
/* \} addtogroup asn1_module */
/** Returns the size of the binary string, without the trailing \\0 */
#define OID_SIZE(x) (sizeof(x) - 1)
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name Functions to parse ASN.1 data structures
* \{
*/
/**
* Type-length-value structure that allows for ASN1 using DER.
*/
typedef struct _asn1_buf
{
int tag; /**< ASN1 type, e.g. ASN1_UTF8_STRING. */
size_t len; /**< ASN1 length, e.g. in octets. */
unsigned char *p; /**< ASN1 data, e.g. in ASCII. */
}
asn1_buf;
/**
* Container for ASN1 bit strings.
*/
typedef struct _asn1_bitstring
{
size_t len; /**< ASN1 length, e.g. in octets. */
unsigned char unused_bits; /**< Number of unused bits at the end of the string */
unsigned char *p; /**< Raw ASN1 data for the bit string */
}
asn1_bitstring;
/**
* Container for a sequence of ASN.1 items
*/
typedef struct _asn1_sequence
{
asn1_buf buf; /**< Buffer containing the given ASN.1 item. */
struct _asn1_sequence *next; /**< The next entry in the sequence. */
}
asn1_sequence;
/**
* Get the length of an ASN.1 element.
* Updates the pointer to immediately behind the length.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param len The variable that will receive the value
*
* \return 0 if successful, POLARSSL_ERR_ASN1_OUT_OF_DATA on reaching
* end of data, POLARSSL_ERR_ASN1_INVALID_LENGTH if length is
* unparseable.
*/
int asn1_get_len( unsigned char **p,
const unsigned char *end,
size_t *len );
/**
* Get the tag and length of the tag. Check for the requested tag.
* Updates the pointer to immediately behind the tag and length.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param len The variable that will receive the length
* \param tag The expected tag
*
* \return 0 if successful, POLARSSL_ERR_ASN1_UNEXPECTED_TAG if tag did
* not match requested tag, or another specific ASN.1 error code.
*/
int asn1_get_tag( unsigned char **p,
const unsigned char *end,
size_t *len, int tag );
/**
* Retrieve a boolean ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param val The variable that will receive the value
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int asn1_get_bool( unsigned char **p,
const unsigned char *end,
int *val );
/**
* Retrieve an integer ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param val The variable that will receive the value
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int asn1_get_int( unsigned char **p,
const unsigned char *end,
int *val );
/**
* Retrieve a bitstring ASN.1 tag and its value.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param bs The variable that will receive the value
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int asn1_get_bitstring( unsigned char **p, const unsigned char *end,
asn1_bitstring *bs);
/**
* Parses and splits an ASN.1 "SEQUENCE OF <tag>"
* Updated the pointer to immediately behind the full sequence tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param cur First variable in the chain to fill
* \param tag Type of sequence
*
* \return 0 if successful or a specific ASN.1 error code.
*/
int asn1_get_sequence_of( unsigned char **p,
const unsigned char *end,
asn1_sequence *cur,
int tag);
#if defined(POLARSSL_BIGNUM_C)
/**
* Retrieve a MPI value from an integer ASN.1 tag.
* Updates the pointer to immediately behind the full tag.
*
* \param p The position in the ASN.1 data
* \param end End of data
* \param X The MPI that will receive the value
*
* \return 0 if successful or a specific ASN.1 or MPI error code.
*/
int asn1_get_mpi( unsigned char **p,
const unsigned char *end,
mpi *X );
#endif
#ifdef __cplusplus
}
#endif
#endif /* asn1.h */

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/**
* \file asn1write.h
*
* \brief ASN.1 buffer writing functionality
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_ASN1_WRITE_H
#define POLARSSL_ASN1_WRITE_H
#include "asn1.h"
#define ASN1_CHK_ADD(g, f) if( ( ret = f ) < 0 ) return( ret ); else g += ret
int asn1_write_len( unsigned char **p, unsigned char *start, size_t len );
int asn1_write_tag( unsigned char **p, unsigned char *start, unsigned char tag );
int asn1_write_mpi( unsigned char **p, unsigned char *start, mpi *X );
int asn1_write_null( unsigned char **p, unsigned char *start );
int asn1_write_oid( unsigned char **p, unsigned char *start, char *oid );
int asn1_write_algorithm_identifier( unsigned char **p, unsigned char *start, char *algorithm_oid );
int asn1_write_int( unsigned char **p, unsigned char *start, int val );
int asn1_write_printable_string( unsigned char **p, unsigned char *start,
char *text );
int asn1_write_ia5_string( unsigned char **p, unsigned char *start,
char *text );
#endif /* POLARSSL_ASN1_WRITE_H */

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/**
* \file base64.h
*
* \brief RFC 1521 base64 encoding/decoding
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_BASE64_H
#define POLARSSL_BASE64_H
#include <string.h>
#define POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL -0x002A /**< Output buffer too small. */
#define POLARSSL_ERR_BASE64_INVALID_CHARACTER -0x002C /**< Invalid character in input. */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Encode a buffer into base64 format
*
* \param dst destination buffer
* \param dlen size of the buffer
* \param src source buffer
* \param slen amount of data to be encoded
*
* \return 0 if successful, or POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL.
* *dlen is always updated to reflect the amount
* of data that has (or would have) been written.
*
* \note Call this function with *dlen = 0 to obtain the
* required buffer size in *dlen
*/
int base64_encode( unsigned char *dst, size_t *dlen,
const unsigned char *src, size_t slen );
/**
* \brief Decode a base64-formatted buffer
*
* \param dst destination buffer
* \param dlen size of the buffer
* \param src source buffer
* \param slen amount of data to be decoded
*
* \return 0 if successful, POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL, or
* POLARSSL_ERR_BASE64_INVALID_CHARACTER if the input data is
* not correct. *dlen is always updated to reflect the amount
* of data that has (or would have) been written.
*
* \note Call this function with *dlen = 0 to obtain the
* required buffer size in *dlen
*/
int base64_decode( unsigned char *dst, size_t *dlen,
const unsigned char *src, size_t slen );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int base64_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* base64.h */

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/**
* \file bignum.h
*
* \brief Multi-precision integer library
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_BIGNUM_H
#define POLARSSL_BIGNUM_H
#include <stdio.h>
#include <string.h>
#include "config.h"
#ifdef _MSC_VER
#include <basetsd.h>
#if (_MSC_VER <= 1200)
typedef signed short int16_t;
typedef unsigned short uint16_t;
#else
typedef INT16 int16_t;
typedef UINT16 uint16_t;
#endif
typedef INT32 int32_t;
typedef INT64 int64_t;
typedef UINT32 uint32_t;
typedef UINT64 uint64_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_MPI_FILE_IO_ERROR -0x0002 /**< An error occurred while reading from or writing to a file. */
#define POLARSSL_ERR_MPI_BAD_INPUT_DATA -0x0004 /**< Bad input parameters to function. */
#define POLARSSL_ERR_MPI_INVALID_CHARACTER -0x0006 /**< There is an invalid character in the digit string. */
#define POLARSSL_ERR_MPI_BUFFER_TOO_SMALL -0x0008 /**< The buffer is too small to write to. */
#define POLARSSL_ERR_MPI_NEGATIVE_VALUE -0x000A /**< The input arguments are negative or result in illegal output. */
#define POLARSSL_ERR_MPI_DIVISION_BY_ZERO -0x000C /**< The input argument for division is zero, which is not allowed. */
#define POLARSSL_ERR_MPI_NOT_ACCEPTABLE -0x000E /**< The input arguments are not acceptable. */
#define POLARSSL_ERR_MPI_MALLOC_FAILED -0x0010 /**< Memory allocation failed. */
#define MPI_CHK(f) if( ( ret = f ) != 0 ) goto cleanup
/*
* Maximum size MPIs are allowed to grow to in number of limbs.
*/
#define POLARSSL_MPI_MAX_LIMBS 10000
#if !defined(POLARSSL_CONFIG_OPTIONS)
/*
* Maximum window size used for modular exponentiation. Default: 6
* Minimum value: 1. Maximum value: 6.
*
* Result is an array of ( 2 << POLARSSL_MPI_WINDOW_SIZE ) MPIs used
* for the sliding window calculation. (So 64 by default)
*
* Reduction in size, reduces speed.
*/
#define POLARSSL_MPI_WINDOW_SIZE 6 /**< Maximum windows size used. */
/*
* Maximum size of MPIs allowed in bits and bytes for user-MPIs.
* ( Default: 512 bytes => 4096 bits, Maximum tested: 2048 bytes => 16384 bits )
*
* Note: Calculations can results temporarily in larger MPIs. So the number
* of limbs required (POLARSSL_MPI_MAX_LIMBS) is higher.
*/
#define POLARSSL_MPI_MAX_SIZE 512 /**< Maximum number of bytes for usable MPIs. */
#endif /* !POLARSSL_CONFIG_OPTIONS */
#define POLARSSL_MPI_MAX_BITS ( 8 * POLARSSL_MPI_MAX_SIZE ) /**< Maximum number of bits for usable MPIs. */
/*
* When reading from files with mpi_read_file() and writing to files with
* mpi_write_file() the buffer should have space
* for a (short) label, the MPI (in the provided radix), the newline
* characters and the '\0'.
*
* By default we assume at least a 10 char label, a minimum radix of 10
* (decimal) and a maximum of 4096 bit numbers (1234 decimal chars).
* Autosized at compile time for at least a 10 char label, a minimum radix
* of 10 (decimal) for a number of POLARSSL_MPI_MAX_BITS size.
*
* This used to be statically sized to 1250 for a maximum of 4096 bit
* numbers (1234 decimal chars).
*
* Calculate using the formula:
* POLARSSL_MPI_RW_BUFFER_SIZE = ceil(POLARSSL_MPI_MAX_BITS / ln(10) * ln(2)) +
* LabelSize + 6
*/
#define POLARSSL_MPI_MAX_BITS_SCALE100 ( 100 * POLARSSL_MPI_MAX_BITS )
#define LN_2_DIV_LN_10_SCALE100 332
#define POLARSSL_MPI_RW_BUFFER_SIZE ( ((POLARSSL_MPI_MAX_BITS_SCALE100 + LN_2_DIV_LN_10_SCALE100 - 1) / LN_2_DIV_LN_10_SCALE100) + 10 + 6 )
/*
* Define the base integer type, architecture-wise
*/
#if defined(POLARSSL_HAVE_INT8)
typedef signed char t_sint;
typedef unsigned char t_uint;
typedef uint16_t t_udbl;
#define POLARSSL_HAVE_UDBL
#else
#if defined(POLARSSL_HAVE_INT16)
typedef int16_t t_sint;
typedef uint16_t t_uint;
typedef uint32_t t_udbl;
#define POLARSSL_HAVE_UDBL
#else
#if ( defined(_MSC_VER) && defined(_M_AMD64) )
typedef int64_t t_sint;
typedef uint64_t t_uint;
#else
#if ( defined(__GNUC__) && ( \
defined(__amd64__) || defined(__x86_64__) || \
defined(__ppc64__) || defined(__powerpc64__) || \
defined(__ia64__) || defined(__alpha__) || \
(defined(__sparc__) && defined(__arch64__)) || \
defined(__s390x__) ) )
typedef int64_t t_sint;
typedef uint64_t t_uint;
typedef unsigned int t_udbl __attribute__((mode(TI)));
#define POLARSSL_HAVE_UDBL
#else
typedef int32_t t_sint;
typedef uint32_t t_uint;
#if ( defined(_MSC_VER) && defined(_M_IX86) )
typedef uint64_t t_udbl;
#define POLARSSL_HAVE_UDBL
#else
#if defined( POLARSSL_HAVE_LONGLONG )
typedef unsigned long long t_udbl;
#define POLARSSL_HAVE_UDBL
#endif
#endif
#endif
#endif
#endif /* POLARSSL_HAVE_INT16 */
#endif /* POLARSSL_HAVE_INT8 */
/**
* \brief MPI structure
*/
typedef struct
{
int s; /*!< integer sign */
size_t n; /*!< total # of limbs */
t_uint *p; /*!< pointer to limbs */
}
mpi;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Initialize one MPI
*
* \param X One MPI to initialize.
*/
void mpi_init( mpi *X );
/**
* \brief Unallocate one MPI
*
* \param X One MPI to unallocate.
*/
void mpi_free( mpi *X );
/**
* \brief Enlarge to the specified number of limbs
*
* \param X MPI to grow
* \param nblimbs The target number of limbs
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_grow( mpi *X, size_t nblimbs );
/**
* \brief Copy the contents of Y into X
*
* \param X Destination MPI
* \param Y Source MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_copy( mpi *X, const mpi *Y );
/**
* \brief Swap the contents of X and Y
*
* \param X First MPI value
* \param Y Second MPI value
*/
void mpi_swap( mpi *X, mpi *Y );
/**
* \brief Set value from integer
*
* \param X MPI to set
* \param z Value to use
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_lset( mpi *X, t_sint z );
/**
* \brief Get a specific bit from X
*
* \param X MPI to use
* \param pos Zero-based index of the bit in X
*
* \return Either a 0 or a 1
*/
int mpi_get_bit( const mpi *X, size_t pos );
/**
* \brief Set a bit of X to a specific value of 0 or 1
*
* \note Will grow X if necessary to set a bit to 1 in a not yet
* existing limb. Will not grow if bit should be set to 0
*
* \param X MPI to use
* \param pos Zero-based index of the bit in X
* \param val The value to set the bit to (0 or 1)
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_BAD_INPUT_DATA if val is not 0 or 1
*/
int mpi_set_bit( mpi *X, size_t pos, unsigned char val );
/**
* \brief Return the number of zero-bits before the least significant
* '1' bit
*
* Note: Thus also the zero-based index of the least significant '1' bit
*
* \param X MPI to use
*/
size_t mpi_lsb( const mpi *X );
/**
* \brief Return the number of bits up to and including the most
* significant '1' bit'
*
* Note: Thus also the one-based index of the most significant '1' bit
*
* \param X MPI to use
*/
size_t mpi_msb( const mpi *X );
/**
* \brief Return the total size in bytes
*
* \param X MPI to use
*/
size_t mpi_size( const mpi *X );
/**
* \brief Import from an ASCII string
*
* \param X Destination MPI
* \param radix Input numeric base
* \param s Null-terminated string buffer
*
* \return 0 if successful, or a POLARSSL_ERR_MPI_XXX error code
*/
int mpi_read_string( mpi *X, int radix, const char *s );
/**
* \brief Export into an ASCII string
*
* \param X Source MPI
* \param radix Output numeric base
* \param s String buffer
* \param slen String buffer size
*
* \return 0 if successful, or a POLARSSL_ERR_MPI_XXX error code.
* *slen is always updated to reflect the amount
* of data that has (or would have) been written.
*
* \note Call this function with *slen = 0 to obtain the
* minimum required buffer size in *slen.
*/
int mpi_write_string( const mpi *X, int radix, char *s, size_t *slen );
#if defined(POLARSSL_FS_IO)
/**
* \brief Read X from an opened file
*
* \param X Destination MPI
* \param radix Input numeric base
* \param fin Input file handle
*
* \return 0 if successful, POLARSSL_ERR_MPI_BUFFER_TOO_SMALL if
* the file read buffer is too small or a
* POLARSSL_ERR_MPI_XXX error code
*/
int mpi_read_file( mpi *X, int radix, FILE *fin );
/**
* \brief Write X into an opened file, or stdout if fout is NULL
*
* \param p Prefix, can be NULL
* \param X Source MPI
* \param radix Output numeric base
* \param fout Output file handle (can be NULL)
*
* \return 0 if successful, or a POLARSSL_ERR_MPI_XXX error code
*
* \note Set fout == NULL to print X on the console.
*/
int mpi_write_file( const char *p, const mpi *X, int radix, FILE *fout );
#endif /* POLARSSL_FS_IO */
/**
* \brief Import X from unsigned binary data, big endian
*
* \param X Destination MPI
* \param buf Input buffer
* \param buflen Input buffer size
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_read_binary( mpi *X, const unsigned char *buf, size_t buflen );
/**
* \brief Export X into unsigned binary data, big endian
*
* \param X Source MPI
* \param buf Output buffer
* \param buflen Output buffer size
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_BUFFER_TOO_SMALL if buf isn't large enough
*/
int mpi_write_binary( const mpi *X, unsigned char *buf, size_t buflen );
/**
* \brief Left-shift: X <<= count
*
* \param X MPI to shift
* \param count Amount to shift
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_shift_l( mpi *X, size_t count );
/**
* \brief Right-shift: X >>= count
*
* \param X MPI to shift
* \param count Amount to shift
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_shift_r( mpi *X, size_t count );
/**
* \brief Compare unsigned values
*
* \param X Left-hand MPI
* \param Y Right-hand MPI
*
* \return 1 if |X| is greater than |Y|,
* -1 if |X| is lesser than |Y| or
* 0 if |X| is equal to |Y|
*/
int mpi_cmp_abs( const mpi *X, const mpi *Y );
/**
* \brief Compare signed values
*
* \param X Left-hand MPI
* \param Y Right-hand MPI
*
* \return 1 if X is greater than Y,
* -1 if X is lesser than Y or
* 0 if X is equal to Y
*/
int mpi_cmp_mpi( const mpi *X, const mpi *Y );
/**
* \brief Compare signed values
*
* \param X Left-hand MPI
* \param z The integer value to compare to
*
* \return 1 if X is greater than z,
* -1 if X is lesser than z or
* 0 if X is equal to z
*/
int mpi_cmp_int( const mpi *X, t_sint z );
/**
* \brief Unsigned addition: X = |A| + |B|
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_add_abs( mpi *X, const mpi *A, const mpi *B );
/**
* \brief Unsigned substraction: X = |A| - |B|
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_NEGATIVE_VALUE if B is greater than A
*/
int mpi_sub_abs( mpi *X, const mpi *A, const mpi *B );
/**
* \brief Signed addition: X = A + B
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_add_mpi( mpi *X, const mpi *A, const mpi *B );
/**
* \brief Signed substraction: X = A - B
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_sub_mpi( mpi *X, const mpi *A, const mpi *B );
/**
* \brief Signed addition: X = A + b
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param b The integer value to add
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_add_int( mpi *X, const mpi *A, t_sint b );
/**
* \brief Signed substraction: X = A - b
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param b The integer value to subtract
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_sub_int( mpi *X, const mpi *A, t_sint b );
/**
* \brief Baseline multiplication: X = A * B
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_mul_mpi( mpi *X, const mpi *A, const mpi *B );
/**
* \brief Baseline multiplication: X = A * b
* Note: b is an unsigned integer type, thus
* Negative values of b are ignored.
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param b The integer value to multiply with
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_mul_int( mpi *X, const mpi *A, t_sint b );
/**
* \brief Division by mpi: A = Q * B + R
*
* \param Q Destination MPI for the quotient
* \param R Destination MPI for the rest value
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_DIVISION_BY_ZERO if B == 0
*
* \note Either Q or R can be NULL.
*/
int mpi_div_mpi( mpi *Q, mpi *R, const mpi *A, const mpi *B );
/**
* \brief Division by int: A = Q * b + R
*
* \param Q Destination MPI for the quotient
* \param R Destination MPI for the rest value
* \param A Left-hand MPI
* \param b Integer to divide by
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_DIVISION_BY_ZERO if b == 0
*
* \note Either Q or R can be NULL.
*/
int mpi_div_int( mpi *Q, mpi *R, const mpi *A, t_sint b );
/**
* \brief Modulo: R = A mod B
*
* \param R Destination MPI for the rest value
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_DIVISION_BY_ZERO if B == 0,
* POLARSSL_ERR_MPI_NEGATIVE_VALUE if B < 0
*/
int mpi_mod_mpi( mpi *R, const mpi *A, const mpi *B );
/**
* \brief Modulo: r = A mod b
*
* \param r Destination t_uint
* \param A Left-hand MPI
* \param b Integer to divide by
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_DIVISION_BY_ZERO if b == 0,
* POLARSSL_ERR_MPI_NEGATIVE_VALUE if b < 0
*/
int mpi_mod_int( t_uint *r, const mpi *A, t_sint b );
/**
* \brief Sliding-window exponentiation: X = A^E mod N
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param E Exponent MPI
* \param N Modular MPI
* \param _RR Speed-up MPI used for recalculations
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_BAD_INPUT_DATA if N is negative or even or if
* E is negative
*
* \note _RR is used to avoid re-computing R*R mod N across
* multiple calls, which speeds up things a bit. It can
* be set to NULL if the extra performance is unneeded.
*/
int mpi_exp_mod( mpi *X, const mpi *A, const mpi *E, const mpi *N, mpi *_RR );
/**
* \brief Fill an MPI X with size bytes of random
*
* \param X Destination MPI
* \param size Size in bytes
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_fill_random( mpi *X, size_t size,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Greatest common divisor: G = gcd(A, B)
*
* \param G Destination MPI
* \param A Left-hand MPI
* \param B Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
*/
int mpi_gcd( mpi *G, const mpi *A, const mpi *B );
/**
* \brief Modular inverse: X = A^-1 mod N
*
* \param X Destination MPI
* \param A Left-hand MPI
* \param N Right-hand MPI
*
* \return 0 if successful,
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_BAD_INPUT_DATA if N is negative or nil
POLARSSL_ERR_MPI_NOT_ACCEPTABLE if A has no inverse mod N
*/
int mpi_inv_mod( mpi *X, const mpi *A, const mpi *N );
/**
* \brief Miller-Rabin primality test
*
* \param X MPI to check
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful (probably prime),
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_NOT_ACCEPTABLE if X is not prime
*/
int mpi_is_prime( mpi *X,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Prime number generation
*
* \param X Destination MPI
* \param nbits Required size of X in bits ( 3 <= nbits <= POLARSSL_MPI_MAX_BITS )
* \param dh_flag If 1, then (X-1)/2 will be prime too
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful (probably prime),
* POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_MPI_BAD_INPUT_DATA if nbits is < 3
*/
int mpi_gen_prime( mpi *X, size_t nbits, int dh_flag,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mpi_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* bignum.h */

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/**
* \file blowfish.h
*
* \brief Blowfish block cipher
*
* Copyright (C) 2012-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_BLOWFISH_H
#define POLARSSL_BLOWFISH_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define BLOWFISH_ENCRYPT 1
#define BLOWFISH_DECRYPT 0
#define BLOWFISH_MAX_KEY 448
#define BLOWFISH_MIN_KEY 32
#define BLOWFISH_ROUNDS 16 /* when increasing this value, make sure to extend the initialisation vectors */
#define BLOWFISH_BLOCKSIZE 8 /* Blowfish uses 64 bit blocks */
#define POLARSSL_ERR_BLOWFISH_INVALID_KEY_LENGTH -0x0016 /**< Invalid key length. */
#define POLARSSL_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018 /**< Invalid data input length. */
#if !defined(POLARSSL_BLOWFISH_ALT)
// Regular implementation
//
/**
* \brief Blowfish context structure
*/
typedef struct
{
uint32_t P[BLOWFISH_ROUNDS + 2]; /*!< Blowfish round keys */
uint32_t S[4][256]; /*!< key dependent S-boxes */
}
blowfish_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Blowfish key schedule
*
* \param ctx Blowfish context to be initialized
* \param key encryption key
* \param keysize must be between 32 and 448 bits
*
* \return 0 if successful, or POLARSSL_ERR_BLOWFISH_INVALID_KEY_LENGTH
*/
int blowfish_setkey( blowfish_context *ctx, const unsigned char *key, unsigned int keysize );
/**
* \brief Blowfish-ECB block encryption/decryption
*
* \param ctx Blowfish context
* \param mode BLOWFISH_ENCRYPT or BLOWFISH_DECRYPT
* \param input 8-byte input block
* \param output 8-byte output block
*
* \return 0 if successful
*/
int blowfish_crypt_ecb( blowfish_context *ctx,
int mode,
const unsigned char input[BLOWFISH_BLOCKSIZE],
unsigned char output[BLOWFISH_BLOCKSIZE] );
/**
* \brief Blowfish-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (8 bytes)
*
* \param ctx Blowfish context
* \param mode BLOWFISH_ENCRYPT or BLOWFISH_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or POLARSSL_ERR_BLOWFISH_INVALID_INPUT_LENGTH
*/
int blowfish_crypt_cbc( blowfish_context *ctx,
int mode,
size_t length,
unsigned char iv[BLOWFISH_BLOCKSIZE],
const unsigned char *input,
unsigned char *output );
/**
* \brief Blowfish CFB buffer encryption/decryption.
*
* both
* \param ctx Blowfish context
* \param mode BLOWFISH_ENCRYPT or BLOWFISH_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful
*/
int blowfish_crypt_cfb64( blowfish_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[BLOWFISH_BLOCKSIZE],
const unsigned char *input,
unsigned char *output );
/**
* \brief Blowfish-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 64-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int blowfish_crypt_ctr( blowfish_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[BLOWFISH_BLOCKSIZE],
unsigned char stream_block[BLOWFISH_BLOCKSIZE],
const unsigned char *input,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_BLOWFISH_ALT */
#include "blowfish_alt.h"
#endif /* POLARSSL_BLOWFISH_ALT */
#endif /* blowfish.h */

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/**
* \file bn_mul.h
*
* \brief Multi-precision integer library
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* Multiply source vector [s] with b, add result
* to destination vector [d] and set carry c.
*
* Currently supports:
*
* . IA-32 (386+) . AMD64 / EM64T
* . IA-32 (SSE2) . Motorola 68000
* . PowerPC, 32-bit . MicroBlaze
* . PowerPC, 64-bit . TriCore
* . SPARC v8 . ARM v3+
* . Alpha . MIPS32
* . C, longlong . C, generic
*/
#ifndef POLARSSL_BN_MUL_H
#define POLARSSL_BN_MUL_H
#include "bignum.h"
#if defined(POLARSSL_HAVE_ASM)
#if defined(__GNUC__)
#if defined(__i386__)
#define MULADDC_INIT \
asm( " \
movl %%ebx, %0; \
movl %5, %%esi; \
movl %6, %%edi; \
movl %7, %%ecx; \
movl %8, %%ebx; \
"
#define MULADDC_CORE \
" \
lodsl; \
mull %%ebx; \
addl %%ecx, %%eax; \
adcl $0, %%edx; \
addl (%%edi), %%eax; \
adcl $0, %%edx; \
movl %%edx, %%ecx; \
stosl; \
"
#if defined(POLARSSL_HAVE_SSE2)
#define MULADDC_HUIT \
" \
movd %%ecx, %%mm1; \
movd %%ebx, %%mm0; \
movd (%%edi), %%mm3; \
paddq %%mm3, %%mm1; \
movd (%%esi), %%mm2; \
pmuludq %%mm0, %%mm2; \
movd 4(%%esi), %%mm4; \
pmuludq %%mm0, %%mm4; \
movd 8(%%esi), %%mm6; \
pmuludq %%mm0, %%mm6; \
movd 12(%%esi), %%mm7; \
pmuludq %%mm0, %%mm7; \
paddq %%mm2, %%mm1; \
movd 4(%%edi), %%mm3; \
paddq %%mm4, %%mm3; \
movd 8(%%edi), %%mm5; \
paddq %%mm6, %%mm5; \
movd 12(%%edi), %%mm4; \
paddq %%mm4, %%mm7; \
movd %%mm1, (%%edi); \
movd 16(%%esi), %%mm2; \
pmuludq %%mm0, %%mm2; \
psrlq $32, %%mm1; \
movd 20(%%esi), %%mm4; \
pmuludq %%mm0, %%mm4; \
paddq %%mm3, %%mm1; \
movd 24(%%esi), %%mm6; \
pmuludq %%mm0, %%mm6; \
movd %%mm1, 4(%%edi); \
psrlq $32, %%mm1; \
movd 28(%%esi), %%mm3; \
pmuludq %%mm0, %%mm3; \
paddq %%mm5, %%mm1; \
movd 16(%%edi), %%mm5; \
paddq %%mm5, %%mm2; \
movd %%mm1, 8(%%edi); \
psrlq $32, %%mm1; \
paddq %%mm7, %%mm1; \
movd 20(%%edi), %%mm5; \
paddq %%mm5, %%mm4; \
movd %%mm1, 12(%%edi); \
psrlq $32, %%mm1; \
paddq %%mm2, %%mm1; \
movd 24(%%edi), %%mm5; \
paddq %%mm5, %%mm6; \
movd %%mm1, 16(%%edi); \
psrlq $32, %%mm1; \
paddq %%mm4, %%mm1; \
movd 28(%%edi), %%mm5; \
paddq %%mm5, %%mm3; \
movd %%mm1, 20(%%edi); \
psrlq $32, %%mm1; \
paddq %%mm6, %%mm1; \
movd %%mm1, 24(%%edi); \
psrlq $32, %%mm1; \
paddq %%mm3, %%mm1; \
movd %%mm1, 28(%%edi); \
addl $32, %%edi; \
addl $32, %%esi; \
psrlq $32, %%mm1; \
movd %%mm1, %%ecx; \
"
#define MULADDC_STOP \
" \
emms; \
movl %4, %%ebx; \
movl %%ecx, %1; \
movl %%edi, %2; \
movl %%esi, %3; \
" \
: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
: "eax", "ecx", "edx", "esi", "edi" \
);
#else
#define MULADDC_STOP \
" \
movl %4, %%ebx; \
movl %%ecx, %1; \
movl %%edi, %2; \
movl %%esi, %3; \
" \
: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
: "eax", "ecx", "edx", "esi", "edi" \
);
#endif /* SSE2 */
#endif /* i386 */
#if defined(__amd64__) || defined (__x86_64__)
#define MULADDC_INIT \
asm( "movq %0, %%rsi " :: "m" (s)); \
asm( "movq %0, %%rdi " :: "m" (d)); \
asm( "movq %0, %%rcx " :: "m" (c)); \
asm( "movq %0, %%rbx " :: "m" (b)); \
asm( "xorq %r8, %r8 " );
#define MULADDC_CORE \
asm( "movq (%rsi),%rax " ); \
asm( "mulq %rbx " ); \
asm( "addq $8, %rsi " ); \
asm( "addq %rcx, %rax " ); \
asm( "movq %r8, %rcx " ); \
asm( "adcq $0, %rdx " ); \
asm( "nop " ); \
asm( "addq %rax, (%rdi) " ); \
asm( "adcq %rdx, %rcx " ); \
asm( "addq $8, %rdi " );
#define MULADDC_STOP \
asm( "movq %%rcx, %0 " : "=m" (c)); \
asm( "movq %%rdi, %0 " : "=m" (d)); \
asm( "movq %%rsi, %0 " : "=m" (s) :: \
"rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" );
#endif /* AMD64 */
#if defined(__mc68020__) || defined(__mcpu32__)
#define MULADDC_INIT \
asm( "movl %0, %%a2 " :: "m" (s)); \
asm( "movl %0, %%a3 " :: "m" (d)); \
asm( "movl %0, %%d3 " :: "m" (c)); \
asm( "movl %0, %%d2 " :: "m" (b)); \
asm( "moveq #0, %d0 " );
#define MULADDC_CORE \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d4:%d1 " ); \
asm( "addl %d3, %d1 " ); \
asm( "addxl %d0, %d4 " ); \
asm( "moveq #0, %d3 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "addxl %d4, %d3 " );
#define MULADDC_STOP \
asm( "movl %%d3, %0 " : "=m" (c)); \
asm( "movl %%a3, %0 " : "=m" (d)); \
asm( "movl %%a2, %0 " : "=m" (s) :: \
"d0", "d1", "d2", "d3", "d4", "a2", "a3" );
#define MULADDC_HUIT \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d4:%d1 " ); \
asm( "addxl %d3, %d1 " ); \
asm( "addxl %d0, %d4 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d3:%d1 " ); \
asm( "addxl %d4, %d1 " ); \
asm( "addxl %d0, %d3 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d4:%d1 " ); \
asm( "addxl %d3, %d1 " ); \
asm( "addxl %d0, %d4 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d3:%d1 " ); \
asm( "addxl %d4, %d1 " ); \
asm( "addxl %d0, %d3 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d4:%d1 " ); \
asm( "addxl %d3, %d1 " ); \
asm( "addxl %d0, %d4 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d3:%d1 " ); \
asm( "addxl %d4, %d1 " ); \
asm( "addxl %d0, %d3 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d4:%d1 " ); \
asm( "addxl %d3, %d1 " ); \
asm( "addxl %d0, %d4 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "movel %a2@+, %d1 " ); \
asm( "mulul %d2, %d3:%d1 " ); \
asm( "addxl %d4, %d1 " ); \
asm( "addxl %d0, %d3 " ); \
asm( "addl %d1, %a3@+ " ); \
asm( "addxl %d0, %d3 " );
#endif /* MC68000 */
#if defined(__powerpc__) || defined(__ppc__)
#if defined(__powerpc64__) || defined(__ppc64__)
#if defined(__MACH__) && defined(__APPLE__)
#define MULADDC_INIT \
asm( "ld r3, %0 " :: "m" (s)); \
asm( "ld r4, %0 " :: "m" (d)); \
asm( "ld r5, %0 " :: "m" (c)); \
asm( "ld r6, %0 " :: "m" (b)); \
asm( "addi r3, r3, -8 " ); \
asm( "addi r4, r4, -8 " ); \
asm( "addic r5, r5, 0 " );
#define MULADDC_CORE \
asm( "ldu r7, 8(r3) " ); \
asm( "mulld r8, r7, r6 " ); \
asm( "mulhdu r9, r7, r6 " ); \
asm( "adde r8, r8, r5 " ); \
asm( "ld r7, 8(r4) " ); \
asm( "addze r5, r9 " ); \
asm( "addc r8, r8, r7 " ); \
asm( "stdu r8, 8(r4) " );
#define MULADDC_STOP \
asm( "addze r5, r5 " ); \
asm( "addi r4, r4, 8 " ); \
asm( "addi r3, r3, 8 " ); \
asm( "std r5, %0 " : "=m" (c)); \
asm( "std r4, %0 " : "=m" (d)); \
asm( "std r3, %0 " : "=m" (s) :: \
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
#else
#define MULADDC_INIT \
asm( "ld %%r3, %0 " :: "m" (s)); \
asm( "ld %%r4, %0 " :: "m" (d)); \
asm( "ld %%r5, %0 " :: "m" (c)); \
asm( "ld %%r6, %0 " :: "m" (b)); \
asm( "addi %r3, %r3, -8 " ); \
asm( "addi %r4, %r4, -8 " ); \
asm( "addic %r5, %r5, 0 " );
#define MULADDC_CORE \
asm( "ldu %r7, 8(%r3) " ); \
asm( "mulld %r8, %r7, %r6 " ); \
asm( "mulhdu %r9, %r7, %r6 " ); \
asm( "adde %r8, %r8, %r5 " ); \
asm( "ld %r7, 8(%r4) " ); \
asm( "addze %r5, %r9 " ); \
asm( "addc %r8, %r8, %r7 " ); \
asm( "stdu %r8, 8(%r4) " );
#define MULADDC_STOP \
asm( "addze %r5, %r5 " ); \
asm( "addi %r4, %r4, 8 " ); \
asm( "addi %r3, %r3, 8 " ); \
asm( "std %%r5, %0 " : "=m" (c)); \
asm( "std %%r4, %0 " : "=m" (d)); \
asm( "std %%r3, %0 " : "=m" (s) :: \
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
#endif
#else /* PPC32 */
#if defined(__MACH__) && defined(__APPLE__)
#define MULADDC_INIT \
asm( "lwz r3, %0 " :: "m" (s)); \
asm( "lwz r4, %0 " :: "m" (d)); \
asm( "lwz r5, %0 " :: "m" (c)); \
asm( "lwz r6, %0 " :: "m" (b)); \
asm( "addi r3, r3, -4 " ); \
asm( "addi r4, r4, -4 " ); \
asm( "addic r5, r5, 0 " );
#define MULADDC_CORE \
asm( "lwzu r7, 4(r3) " ); \
asm( "mullw r8, r7, r6 " ); \
asm( "mulhwu r9, r7, r6 " ); \
asm( "adde r8, r8, r5 " ); \
asm( "lwz r7, 4(r4) " ); \
asm( "addze r5, r9 " ); \
asm( "addc r8, r8, r7 " ); \
asm( "stwu r8, 4(r4) " );
#define MULADDC_STOP \
asm( "addze r5, r5 " ); \
asm( "addi r4, r4, 4 " ); \
asm( "addi r3, r3, 4 " ); \
asm( "stw r5, %0 " : "=m" (c)); \
asm( "stw r4, %0 " : "=m" (d)); \
asm( "stw r3, %0 " : "=m" (s) :: \
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
#else
#define MULADDC_INIT \
asm( "lwz %%r3, %0 " :: "m" (s)); \
asm( "lwz %%r4, %0 " :: "m" (d)); \
asm( "lwz %%r5, %0 " :: "m" (c)); \
asm( "lwz %%r6, %0 " :: "m" (b)); \
asm( "addi %r3, %r3, -4 " ); \
asm( "addi %r4, %r4, -4 " ); \
asm( "addic %r5, %r5, 0 " );
#define MULADDC_CORE \
asm( "lwzu %r7, 4(%r3) " ); \
asm( "mullw %r8, %r7, %r6 " ); \
asm( "mulhwu %r9, %r7, %r6 " ); \
asm( "adde %r8, %r8, %r5 " ); \
asm( "lwz %r7, 4(%r4) " ); \
asm( "addze %r5, %r9 " ); \
asm( "addc %r8, %r8, %r7 " ); \
asm( "stwu %r8, 4(%r4) " );
#define MULADDC_STOP \
asm( "addze %r5, %r5 " ); \
asm( "addi %r4, %r4, 4 " ); \
asm( "addi %r3, %r3, 4 " ); \
asm( "stw %%r5, %0 " : "=m" (c)); \
asm( "stw %%r4, %0 " : "=m" (d)); \
asm( "stw %%r3, %0 " : "=m" (s) :: \
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
#endif
#endif /* PPC32 */
#endif /* PPC64 */
#if defined(__sparc__) && defined(__sparc64__)
#define MULADDC_INIT \
asm( \
" \
ldx %3, %%o0; \
ldx %4, %%o1; \
ld %5, %%o2; \
ld %6, %%o3; \
"
#define MULADDC_CORE \
" \
ld [%%o0], %%o4; \
inc 4, %%o0; \
ld [%%o1], %%o5; \
umul %%o3, %%o4, %%o4; \
addcc %%o4, %%o2, %%o4; \
rd %%y, %%g1; \
addx %%g1, 0, %%g1; \
addcc %%o4, %%o5, %%o4; \
st %%o4, [%%o1]; \
addx %%g1, 0, %%o2; \
inc 4, %%o1; \
"
#define MULADDC_STOP \
" \
st %%o2, %0; \
stx %%o1, %1; \
stx %%o0, %2; \
" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "g1", "o0", "o1", "o2", "o3", "o4", \
"o5" \
);
#endif /* SPARCv9 */
#if defined(__sparc__) && !defined(__sparc64__)
#define MULADDC_INIT \
asm( \
" \
ld %3, %%o0; \
ld %4, %%o1; \
ld %5, %%o2; \
ld %6, %%o3; \
"
#define MULADDC_CORE \
" \
ld [%%o0], %%o4; \
inc 4, %%o0; \
ld [%%o1], %%o5; \
umul %%o3, %%o4, %%o4; \
addcc %%o4, %%o2, %%o4; \
rd %%y, %%g1; \
addx %%g1, 0, %%g1; \
addcc %%o4, %%o5, %%o4; \
st %%o4, [%%o1]; \
addx %%g1, 0, %%o2; \
inc 4, %%o1; \
"
#define MULADDC_STOP \
" \
st %%o2, %0; \
st %%o1, %1; \
st %%o0, %2; \
" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "g1", "o0", "o1", "o2", "o3", "o4", \
"o5" \
);
#endif /* SPARCv8 */
#if defined(__microblaze__) || defined(microblaze)
#define MULADDC_INIT \
asm( "lwi r3, %0 " :: "m" (s)); \
asm( "lwi r4, %0 " :: "m" (d)); \
asm( "lwi r5, %0 " :: "m" (c)); \
asm( "lwi r6, %0 " :: "m" (b)); \
asm( "andi r7, r6, 0xffff" ); \
asm( "bsrli r6, r6, 16 " );
#define MULADDC_CORE \
asm( "lhui r8, r3, 0 " ); \
asm( "addi r3, r3, 2 " ); \
asm( "lhui r9, r3, 0 " ); \
asm( "addi r3, r3, 2 " ); \
asm( "mul r10, r9, r6 " ); \
asm( "mul r11, r8, r7 " ); \
asm( "mul r12, r9, r7 " ); \
asm( "mul r13, r8, r6 " ); \
asm( "bsrli r8, r10, 16 " ); \
asm( "bsrli r9, r11, 16 " ); \
asm( "add r13, r13, r8 " ); \
asm( "add r13, r13, r9 " ); \
asm( "bslli r10, r10, 16 " ); \
asm( "bslli r11, r11, 16 " ); \
asm( "add r12, r12, r10 " ); \
asm( "addc r13, r13, r0 " ); \
asm( "add r12, r12, r11 " ); \
asm( "addc r13, r13, r0 " ); \
asm( "lwi r10, r4, 0 " ); \
asm( "add r12, r12, r10 " ); \
asm( "addc r13, r13, r0 " ); \
asm( "add r12, r12, r5 " ); \
asm( "addc r5, r13, r0 " ); \
asm( "swi r12, r4, 0 " ); \
asm( "addi r4, r4, 4 " );
#define MULADDC_STOP \
asm( "swi r5, %0 " : "=m" (c)); \
asm( "swi r4, %0 " : "=m" (d)); \
asm( "swi r3, %0 " : "=m" (s) :: \
"r3", "r4" , "r5" , "r6" , "r7" , "r8" , \
"r9", "r10", "r11", "r12", "r13" );
#endif /* MicroBlaze */
#if defined(__tricore__)
#define MULADDC_INIT \
asm( "ld.a %%a2, %0 " :: "m" (s)); \
asm( "ld.a %%a3, %0 " :: "m" (d)); \
asm( "ld.w %%d4, %0 " :: "m" (c)); \
asm( "ld.w %%d1, %0 " :: "m" (b)); \
asm( "xor %d5, %d5 " );
#define MULADDC_CORE \
asm( "ld.w %d0, [%a2+] " ); \
asm( "madd.u %e2, %e4, %d0, %d1 " ); \
asm( "ld.w %d0, [%a3] " ); \
asm( "addx %d2, %d2, %d0 " ); \
asm( "addc %d3, %d3, 0 " ); \
asm( "mov %d4, %d3 " ); \
asm( "st.w [%a3+], %d2 " );
#define MULADDC_STOP \
asm( "st.w %0, %%d4 " : "=m" (c)); \
asm( "st.a %0, %%a3 " : "=m" (d)); \
asm( "st.a %0, %%a2 " : "=m" (s) :: \
"d0", "d1", "e2", "d4", "a2", "a3" );
#endif /* TriCore */
#if defined(__arm__)
#if defined(__thumb__) && !defined(__thumb2__)
#define MULADDC_INIT \
asm( \
" \
ldr r0, %3; \
ldr r1, %4; \
ldr r2, %5; \
ldr r3, %6; \
lsr r7, r3, #16; \
mov r9, r7; \
lsl r7, r3, #16; \
lsr r7, r7, #16; \
mov r8, r7; \
"
#define MULADDC_CORE \
" \
ldmia r0!, {r6}; \
lsr r7, r6, #16; \
lsl r6, r6, #16; \
lsr r6, r6, #16; \
mov r4, r8; \
mul r4, r6; \
mov r3, r9; \
mul r6, r3; \
mov r5, r9; \
mul r5, r7; \
mov r3, r8; \
mul r7, r3; \
lsr r3, r6, #16; \
add r5, r5, r3; \
lsr r3, r7, #16; \
add r5, r5, r3; \
add r4, r4, r2; \
mov r2, #0; \
adc r5, r2; \
lsl r3, r6, #16; \
add r4, r4, r3; \
adc r5, r2; \
lsl r3, r7, #16; \
add r4, r4, r3; \
adc r5, r2; \
ldr r3, [r1]; \
add r4, r4, r3; \
adc r2, r5; \
stmia r1!, {r4}; \
"
#define MULADDC_STOP \
" \
str r2, %0; \
str r1, %1; \
str r0, %2; \
" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r0", "r1", "r2", "r3", "r4", "r5", \
"r6", "r7", "r8", "r9", "cc" \
);
#else
#define MULADDC_INIT \
asm( \
" \
ldr r0, %3; \
ldr r1, %4; \
ldr r2, %5; \
ldr r3, %6; \
"
#define MULADDC_CORE \
" \
ldr r4, [r0], #4; \
mov r5, #0; \
ldr r6, [r1]; \
umlal r2, r5, r3, r4; \
adds r7, r6, r2; \
adc r2, r5, #0; \
str r7, [r1], #4; \
"
#define MULADDC_STOP \
" \
str r2, %0; \
str r1, %1; \
str r0, %2; \
" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "r0", "r1", "r2", "r3", "r4", "r5", \
"r6", "r7", "cc" \
);
#endif /* Thumb */
#endif /* ARMv3 */
#if defined(__alpha__)
#define MULADDC_INIT \
asm( "ldq $1, %0 " :: "m" (s)); \
asm( "ldq $2, %0 " :: "m" (d)); \
asm( "ldq $3, %0 " :: "m" (c)); \
asm( "ldq $4, %0 " :: "m" (b));
#define MULADDC_CORE \
asm( "ldq $6, 0($1) " ); \
asm( "addq $1, 8, $1 " ); \
asm( "mulq $6, $4, $7 " ); \
asm( "umulh $6, $4, $6 " ); \
asm( "addq $7, $3, $7 " ); \
asm( "cmpult $7, $3, $3 " ); \
asm( "ldq $5, 0($2) " ); \
asm( "addq $7, $5, $7 " ); \
asm( "cmpult $7, $5, $5 " ); \
asm( "stq $7, 0($2) " ); \
asm( "addq $2, 8, $2 " ); \
asm( "addq $6, $3, $3 " ); \
asm( "addq $5, $3, $3 " );
#define MULADDC_STOP \
asm( "stq $3, %0 " : "=m" (c)); \
asm( "stq $2, %0 " : "=m" (d)); \
asm( "stq $1, %0 " : "=m" (s) :: \
"$1", "$2", "$3", "$4", "$5", "$6", "$7" );
#endif /* Alpha */
#if defined(__mips__)
#define MULADDC_INIT \
asm( "lw $10, %0 " :: "m" (s)); \
asm( "lw $11, %0 " :: "m" (d)); \
asm( "lw $12, %0 " :: "m" (c)); \
asm( "lw $13, %0 " :: "m" (b));
#define MULADDC_CORE \
asm( "lw $14, 0($10) " ); \
asm( "multu $13, $14 " ); \
asm( "addi $10, $10, 4 " ); \
asm( "mflo $14 " ); \
asm( "mfhi $9 " ); \
asm( "addu $14, $12, $14 " ); \
asm( "lw $15, 0($11) " ); \
asm( "sltu $12, $14, $12 " ); \
asm( "addu $15, $14, $15 " ); \
asm( "sltu $14, $15, $14 " ); \
asm( "addu $12, $12, $9 " ); \
asm( "sw $15, 0($11) " ); \
asm( "addu $12, $12, $14 " ); \
asm( "addi $11, $11, 4 " );
#define MULADDC_STOP \
asm( "sw $12, %0 " : "=m" (c)); \
asm( "sw $11, %0 " : "=m" (d)); \
asm( "sw $10, %0 " : "=m" (s) :: \
"$9", "$10", "$11", "$12", "$13", "$14", "$15" );
#endif /* MIPS */
#endif /* GNUC */
#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
#define MULADDC_INIT \
__asm mov esi, s \
__asm mov edi, d \
__asm mov ecx, c \
__asm mov ebx, b
#define MULADDC_CORE \
__asm lodsd \
__asm mul ebx \
__asm add eax, ecx \
__asm adc edx, 0 \
__asm add eax, [edi] \
__asm adc edx, 0 \
__asm mov ecx, edx \
__asm stosd
#if defined(POLARSSL_HAVE_SSE2)
#define EMIT __asm _emit
#define MULADDC_HUIT \
EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
EMIT 0x0F EMIT 0x6E EMIT 0x1F \
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
EMIT 0x0F EMIT 0x6E EMIT 0x16 \
EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
EMIT 0x0F EMIT 0x7E EMIT 0x0F \
EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
EMIT 0x0F EMIT 0x7E EMIT 0xC9
#define MULADDC_STOP \
EMIT 0x0F EMIT 0x77 \
__asm mov c, ecx \
__asm mov d, edi \
__asm mov s, esi \
#else
#define MULADDC_STOP \
__asm mov c, ecx \
__asm mov d, edi \
__asm mov s, esi \
#endif /* SSE2 */
#endif /* MSVC */
#endif /* POLARSSL_HAVE_ASM */
#if !defined(MULADDC_CORE)
#if defined(POLARSSL_HAVE_UDBL)
#define MULADDC_INIT \
{ \
t_udbl r; \
t_uint r0, r1;
#define MULADDC_CORE \
r = *(s++) * (t_udbl) b; \
r0 = r; \
r1 = r >> biL; \
r0 += c; r1 += (r0 < c); \
r0 += *d; r1 += (r0 < *d); \
c = r1; *(d++) = r0;
#define MULADDC_STOP \
}
#else
#define MULADDC_INIT \
{ \
t_uint s0, s1, b0, b1; \
t_uint r0, r1, rx, ry; \
b0 = ( b << biH ) >> biH; \
b1 = ( b >> biH );
#define MULADDC_CORE \
s0 = ( *s << biH ) >> biH; \
s1 = ( *s >> biH ); s++; \
rx = s0 * b1; r0 = s0 * b0; \
ry = s1 * b0; r1 = s1 * b1; \
r1 += ( rx >> biH ); \
r1 += ( ry >> biH ); \
rx <<= biH; ry <<= biH; \
r0 += rx; r1 += (r0 < rx); \
r0 += ry; r1 += (r0 < ry); \
r0 += c; r1 += (r0 < c); \
r0 += *d; r1 += (r0 < *d); \
c = r1; *(d++) = r0;
#define MULADDC_STOP \
}
#endif /* C (generic) */
#endif /* C (longlong) */
#endif /* bn_mul.h */

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/**
* \file camellia.h
*
* \brief Camellia block cipher
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_CAMELLIA_H
#define POLARSSL_CAMELLIA_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define CAMELLIA_ENCRYPT 1
#define CAMELLIA_DECRYPT 0
#define POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH -0x0024 /**< Invalid key length. */
#define POLARSSL_ERR_CAMELLIA_INVALID_INPUT_LENGTH -0x0026 /**< Invalid data input length. */
#if !defined(POLARSSL_CAMELLIA_ALT)
// Regular implementation
//
/**
* \brief CAMELLIA context structure
*/
typedef struct
{
int nr; /*!< number of rounds */
uint32_t rk[68]; /*!< CAMELLIA round keys */
}
camellia_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief CAMELLIA key schedule (encryption)
*
* \param ctx CAMELLIA context to be initialized
* \param key encryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH
*/
int camellia_setkey_enc( camellia_context *ctx, const unsigned char *key, unsigned int keysize );
/**
* \brief CAMELLIA key schedule (decryption)
*
* \param ctx CAMELLIA context to be initialized
* \param key decryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH
*/
int camellia_setkey_dec( camellia_context *ctx, const unsigned char *key, unsigned int keysize );
/**
* \brief CAMELLIA-ECB block encryption/decryption
*
* \param ctx CAMELLIA context
* \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if successful
*/
int camellia_crypt_ecb( camellia_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
/**
* \brief CAMELLIA-CBC buffer encryption/decryption
* Length should be a multiple of the block
* size (16 bytes)
*
* \param ctx CAMELLIA context
* \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or POLARSSL_ERR_CAMELLIA_INVALID_INPUT_LENGTH
*/
int camellia_crypt_cbc( camellia_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
/**
* \brief CAMELLIA-CFB128 buffer encryption/decryption
*
* Note: Due to the nature of CFB you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* camellia_setkey_enc() for both CAMELLIA_ENCRYPT and CAMELLIE_DECRYPT.
*
* \param ctx CAMELLIA context
* \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
* \param length length of the input data
* \param iv_off offset in IV (updated after use)
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or POLARSSL_ERR_CAMELLIA_INVALID_INPUT_LENGTH
*/
int camellia_crypt_cfb128( camellia_context *ctx,
int mode,
size_t length,
size_t *iv_off,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
/**
* \brief CAMELLIA-CTR buffer encryption/decryption
*
* Warning: You have to keep the maximum use of your counter in mind!
*
* Note: Due to the nature of CTR you should use the same key schedule for
* both encryption and decryption. So a context initialized with
* camellia_setkey_enc() for both CAMELLIA_ENCRYPT and CAMELLIA_DECRYPT.
*
* \param length The length of the data
* \param nc_off The offset in the current stream_block (for resuming
* within current cipher stream). The offset pointer to
* should be 0 at the start of a stream.
* \param nonce_counter The 128-bit nonce and counter.
* \param stream_block The saved stream-block for resuming. Is overwritten
* by the function.
* \param input The input data stream
* \param output The output data stream
*
* \return 0 if successful
*/
int camellia_crypt_ctr( camellia_context *ctx,
size_t length,
size_t *nc_off,
unsigned char nonce_counter[16],
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_CAMELLIA_ALT */
#include "camellia_alt.h"
#endif /* POLARSSL_CAMELLIA_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int camellia_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* camellia.h */

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/**
* \file certs.h
*
* \brief Sample certificates and DHM parameters for testing
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_CERTS_H
#define POLARSSL_CERTS_H
#ifdef __cplusplus
extern "C" {
#endif
extern const char test_ca_crt[];
extern const char test_ca_key[];
extern const char test_ca_pwd[];
extern const char test_srv_crt[];
extern const char test_srv_key[];
extern const char test_cli_crt[];
extern const char test_cli_key[];
extern const char test_dhm_params[];
#ifdef __cplusplus
}
#endif
#endif /* certs.h */

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/**
* \file cipher.h
*
* \brief Generic cipher wrapper.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_CIPHER_H
#define POLARSSL_CIPHER_H
#include <string.h>
#if defined(_MSC_VER) && !defined(inline)
#define inline _inline
#else
#if defined(__ARMCC_VERSION) && !defined(inline)
#define inline __inline
#endif /* __ARMCC_VERSION */
#endif /*_MSC_VER */
#define POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE -0x6080 /**< The selected feature is not available. */
#define POLARSSL_ERR_CIPHER_BAD_INPUT_DATA -0x6100 /**< Bad input parameters to function. */
#define POLARSSL_ERR_CIPHER_ALLOC_FAILED -0x6180 /**< Failed to allocate memory. */
#define POLARSSL_ERR_CIPHER_INVALID_PADDING -0x6200 /**< Input data contains invalid padding and is rejected. */
#define POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED -0x6280 /**< Decryption of block requires a full block. */
typedef enum {
POLARSSL_CIPHER_ID_NONE = 0,
POLARSSL_CIPHER_ID_NULL,
POLARSSL_CIPHER_ID_AES,
POLARSSL_CIPHER_ID_DES,
POLARSSL_CIPHER_ID_3DES,
POLARSSL_CIPHER_ID_CAMELLIA,
POLARSSL_CIPHER_ID_BLOWFISH,
} cipher_id_t;
typedef enum {
POLARSSL_CIPHER_NONE = 0,
POLARSSL_CIPHER_NULL,
POLARSSL_CIPHER_AES_128_CBC,
POLARSSL_CIPHER_AES_192_CBC,
POLARSSL_CIPHER_AES_256_CBC,
POLARSSL_CIPHER_AES_128_CFB128,
POLARSSL_CIPHER_AES_192_CFB128,
POLARSSL_CIPHER_AES_256_CFB128,
POLARSSL_CIPHER_AES_128_CTR,
POLARSSL_CIPHER_AES_192_CTR,
POLARSSL_CIPHER_AES_256_CTR,
POLARSSL_CIPHER_CAMELLIA_128_CBC,
POLARSSL_CIPHER_CAMELLIA_192_CBC,
POLARSSL_CIPHER_CAMELLIA_256_CBC,
POLARSSL_CIPHER_CAMELLIA_128_CFB128,
POLARSSL_CIPHER_CAMELLIA_192_CFB128,
POLARSSL_CIPHER_CAMELLIA_256_CFB128,
POLARSSL_CIPHER_CAMELLIA_128_CTR,
POLARSSL_CIPHER_CAMELLIA_192_CTR,
POLARSSL_CIPHER_CAMELLIA_256_CTR,
POLARSSL_CIPHER_DES_CBC,
POLARSSL_CIPHER_DES_EDE_CBC,
POLARSSL_CIPHER_DES_EDE3_CBC,
POLARSSL_CIPHER_BLOWFISH_CBC,
POLARSSL_CIPHER_BLOWFISH_CFB64,
POLARSSL_CIPHER_BLOWFISH_CTR,
} cipher_type_t;
typedef enum {
POLARSSL_MODE_NONE = 0,
POLARSSL_MODE_NULL,
POLARSSL_MODE_CBC,
POLARSSL_MODE_CFB,
POLARSSL_MODE_OFB,
POLARSSL_MODE_CTR,
} cipher_mode_t;
typedef enum {
POLARSSL_OPERATION_NONE = -1,
POLARSSL_DECRYPT = 0,
POLARSSL_ENCRYPT,
} operation_t;
enum {
/** Undefined key length */
POLARSSL_KEY_LENGTH_NONE = 0,
/** Key length, in bits (including parity), for DES keys */
POLARSSL_KEY_LENGTH_DES = 64,
/** Key length, in bits (including parity), for DES in two key EDE */
POLARSSL_KEY_LENGTH_DES_EDE = 128,
/** Key length, in bits (including parity), for DES in three-key EDE */
POLARSSL_KEY_LENGTH_DES_EDE3 = 192,
/** Maximum length of any IV, in bytes */
POLARSSL_MAX_IV_LENGTH = 16,
};
/**
* Base cipher information. The non-mode specific functions and values.
*/
typedef struct {
/** Base Cipher type (e.g. POLARSSL_CIPHER_ID_AES) */
cipher_id_t cipher;
/** Encrypt using CBC */
int (*cbc_func)( void *ctx, operation_t mode, size_t length, unsigned char *iv,
const unsigned char *input, unsigned char *output );
/** Encrypt using CFB (Full length) */
int (*cfb_func)( void *ctx, operation_t mode, size_t length, size_t *iv_off,
unsigned char *iv, const unsigned char *input, unsigned char *output );
/** Encrypt using CTR */
int (*ctr_func)( void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter,
unsigned char *stream_block, const unsigned char *input, unsigned char *output );
/** Set key for encryption purposes */
int (*setkey_enc_func)( void *ctx, const unsigned char *key, unsigned int key_length);
/** Set key for decryption purposes */
int (*setkey_dec_func)( void *ctx, const unsigned char *key, unsigned int key_length);
/** Allocate a new context */
void * (*ctx_alloc_func)( void );
/** Free the given context */
void (*ctx_free_func)( void *ctx );
} cipher_base_t;
/**
* Cipher information. Allows cipher functions to be called in a generic way.
*/
typedef struct {
/** Full cipher identifier (e.g. POLARSSL_CIPHER_AES_256_CBC) */
cipher_type_t type;
/** Cipher mode (e.g. POLARSSL_MODE_CBC) */
cipher_mode_t mode;
/** Cipher key length, in bits (default length for variable sized ciphers)
* (Includes parity bits for ciphers like DES) */
unsigned int key_length;
/** Name of the cipher */
const char * name;
/** IV size, in bytes */
unsigned int iv_size;
/** block size, in bytes */
unsigned int block_size;
/** Base cipher information and functions */
const cipher_base_t *base;
} cipher_info_t;
/**
* Generic cipher context.
*/
typedef struct {
/** Information about the associated cipher */
const cipher_info_t *cipher_info;
/** Key length to use */
int key_length;
/** Operation that the context's key has been initialised for */
operation_t operation;
/** Buffer for data that hasn't been encrypted yet */
unsigned char unprocessed_data[POLARSSL_MAX_IV_LENGTH];
/** Number of bytes that still need processing */
size_t unprocessed_len;
/** Current IV or NONCE_COUNTER for CTR-mode */
unsigned char iv[POLARSSL_MAX_IV_LENGTH];
/** Cipher-specific context */
void *cipher_ctx;
} cipher_context_t;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Returns the list of ciphers supported by the generic cipher module.
*
* \return a statically allocated array of ciphers, the last entry
* is 0.
*/
const int *cipher_list( void );
/**
* \brief Returns the cipher information structure associated
* with the given cipher name.
*
* \param cipher_name Name of the cipher to search for.
*
* \return the cipher information structure associated with the
* given cipher_name, or NULL if not found.
*/
const cipher_info_t *cipher_info_from_string( const char *cipher_name );
/**
* \brief Returns the cipher information structure associated
* with the given cipher type.
*
* \param cipher_type Type of the cipher to search for.
*
* \return the cipher information structure associated with the
* given cipher_type, or NULL if not found.
*/
const cipher_info_t *cipher_info_from_type( const cipher_type_t cipher_type );
/**
* \brief Initialises and fills the cipher context structure with
* the appropriate values.
*
* \param ctx context to initialise. May not be NULL.
* \param cipher_info cipher to use.
*
* \return \c 0 on success,
* \c POLARSSL_ERR_CIPHER_BAD_INPUT_DATA on parameter failure,
* \c POLARSSL_ERR_CIPHER_ALLOC_FAILED if allocation of the
* cipher-specific context failed.
*/
int cipher_init_ctx( cipher_context_t *ctx, const cipher_info_t *cipher_info );
/**
* \brief Free the cipher-specific context of ctx. Freeing ctx
* itself remains the responsibility of the caller.
*
* \param ctx Free the cipher-specific context
*
* \returns 0 on success, POLARSSL_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails.
*/
int cipher_free_ctx( cipher_context_t *ctx );
/**
* \brief Returns the block size of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return size of the cipher's blocks, or 0 if ctx has not been
* initialised.
*/
static inline unsigned int cipher_get_block_size( const cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
return ctx->cipher_info->block_size;
}
/**
* \brief Returns the mode of operation for the cipher.
* (e.g. POLARSSL_MODE_CBC)
*
* \param ctx cipher's context. Must have been initialised.
*
* \return mode of operation, or POLARSSL_MODE_NONE if ctx
* has not been initialised.
*/
static inline cipher_mode_t cipher_get_cipher_mode( const cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return POLARSSL_MODE_NONE;
return ctx->cipher_info->mode;
}
/**
* \brief Returns the size of the cipher's IV.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return size of the cipher's IV, or 0 if ctx has not been
* initialised.
*/
static inline int cipher_get_iv_size( const cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
return ctx->cipher_info->iv_size;
}
/**
* \brief Returns the type of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return type of the cipher, or POLARSSL_CIPHER_NONE if ctx has
* not been initialised.
*/
static inline cipher_type_t cipher_get_type( const cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return POLARSSL_CIPHER_NONE;
return ctx->cipher_info->type;
}
/**
* \brief Returns the name of the given cipher, as a string.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return name of the cipher, or NULL if ctx was not initialised.
*/
static inline const char *cipher_get_name( const cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return 0;
return ctx->cipher_info->name;
}
/**
* \brief Returns the key length of the cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return cipher's key length, in bits, or
* POLARSSL_KEY_LENGTH_NONE if ctx has not been
* initialised.
*/
static inline int cipher_get_key_size ( const cipher_context_t *ctx )
{
if( NULL == ctx )
return POLARSSL_KEY_LENGTH_NONE;
return ctx->key_length;
}
/**
* \brief Returns the operation of the given cipher.
*
* \param ctx cipher's context. Must have been initialised.
*
* \return operation (POLARSSL_ENCRYPT or POLARSSL_DECRYPT),
* or POLARSSL_OPERATION_NONE if ctx has not been
* initialised.
*/
static inline operation_t cipher_get_operation( const cipher_context_t *ctx )
{
if( NULL == ctx || NULL == ctx->cipher_info )
return POLARSSL_OPERATION_NONE;
return ctx->operation;
}
/**
* \brief Set the key to use with the given context.
*
* \param ctx generic cipher context. May not be NULL. Must have been
* initialised using cipher_context_from_type or
* cipher_context_from_string.
* \param key The key to use.
* \param key_length key length to use, in bits.
* \param operation Operation that the key will be used for, either
* POLARSSL_ENCRYPT or POLARSSL_DECRYPT.
*
* \returns 0 on success, POLARSSL_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails or a cipher specific
* error code.
*/
int cipher_setkey( cipher_context_t *ctx, const unsigned char *key, int key_length,
const operation_t operation );
/**
* \brief Reset the given context, setting the IV to iv
*
* \param ctx generic cipher context
* \param iv IV to use or NONCE_COUNTER in the case of a CTR-mode cipher
*
* \returns 0 on success, POLARSSL_ERR_CIPHER_BAD_INPUT_DATA
* if parameter verification fails.
*/
int cipher_reset( cipher_context_t *ctx, const unsigned char *iv );
/**
* \brief Generic cipher update function. Encrypts/decrypts
* using the given cipher context. Writes as many block
* size'd blocks of data as possible to output. Any data
* that cannot be written immediately will either be added
* to the next block, or flushed when cipher_final is
* called.
*
* \param ctx generic cipher context
* \param input buffer holding the input data
* \param ilen length of the input data
* \param output buffer for the output data. Should be able to hold at
* least ilen + block_size. Cannot be the same buffer as
* input!
* \param olen length of the output data, will be filled with the
* actual number of bytes written.
*
* \returns 0 on success, POLARSSL_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails,
* POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE on an
* unsupported mode for a cipher or a cipher specific
* error code.
*/
int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ilen,
unsigned char *output, size_t *olen );
/**
* \brief Generic cipher finalisation function. If data still
* needs to be flushed from an incomplete block, data
* contained within it will be padded with the size of
* the last block, and written to the output buffer.
*
* \param ctx Generic cipher context
* \param output buffer to write data to. Needs block_size data available.
* \param olen length of the data written to the output buffer.
*
* \returns 0 on success, POLARSSL_ERR_CIPHER_BAD_INPUT_DATA if
* parameter verification fails,
* POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED if decryption
* expected a full block but was not provided one,
* POLARSSL_ERR_CIPHER_INVALID_PADDING on invalid padding
* while decrypting or a cipher specific error code.
*/
int cipher_finish( cipher_context_t *ctx, unsigned char *output, size_t *olen);
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int cipher_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* POLARSSL_MD_H */

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/**
* \file cipher_wrap.h
*
* \brief Cipher wrappers.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_CIPHER_WRAP_H
#define POLARSSL_CIPHER_WRAP_H
#include "config.h"
#include "cipher.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined(POLARSSL_AES_C)
extern const cipher_info_t aes_128_cbc_info;
extern const cipher_info_t aes_192_cbc_info;
extern const cipher_info_t aes_256_cbc_info;
#if defined(POLARSSL_CIPHER_MODE_CFB)
extern const cipher_info_t aes_128_cfb128_info;
extern const cipher_info_t aes_192_cfb128_info;
extern const cipher_info_t aes_256_cfb128_info;
#endif /* POLARSSL_CIPHER_MODE_CFB */
#if defined(POLARSSL_CIPHER_MODE_CTR)
extern const cipher_info_t aes_128_ctr_info;
extern const cipher_info_t aes_192_ctr_info;
extern const cipher_info_t aes_256_ctr_info;
#endif /* POLARSSL_CIPHER_MODE_CTR */
#endif /* defined(POLARSSL_AES_C) */
#if defined(POLARSSL_CAMELLIA_C)
extern const cipher_info_t camellia_128_cbc_info;
extern const cipher_info_t camellia_192_cbc_info;
extern const cipher_info_t camellia_256_cbc_info;
#if defined(POLARSSL_CIPHER_MODE_CFB)
extern const cipher_info_t camellia_128_cfb128_info;
extern const cipher_info_t camellia_192_cfb128_info;
extern const cipher_info_t camellia_256_cfb128_info;
#endif /* POLARSSL_CIPHER_MODE_CFB */
#if defined(POLARSSL_CIPHER_MODE_CTR)
extern const cipher_info_t camellia_128_ctr_info;
extern const cipher_info_t camellia_192_ctr_info;
extern const cipher_info_t camellia_256_ctr_info;
#endif /* POLARSSL_CIPHER_MODE_CTR */
#endif /* defined(POLARSSL_CAMELLIA_C) */
#if defined(POLARSSL_DES_C)
extern const cipher_info_t des_cbc_info;
extern const cipher_info_t des_ede_cbc_info;
extern const cipher_info_t des_ede3_cbc_info;
#endif /* defined(POLARSSL_DES_C) */
#if defined(POLARSSL_BLOWFISH_C)
extern const cipher_info_t blowfish_cbc_info;
#if defined(POLARSSL_CIPHER_MODE_CFB)
extern const cipher_info_t blowfish_cfb64_info;
#endif /* POLARSSL_CIPHER_MODE_CFB */
#if defined(POLARSSL_CIPHER_MODE_CTR)
extern const cipher_info_t blowfish_ctr_info;
#endif /* POLARSSL_CIPHER_MODE_CTR */
#endif /* defined(POLARSSL_BLOWFISH_C) */
#if defined(POLARSSL_CIPHER_NULL_CIPHER)
extern const cipher_info_t null_cipher_info;
#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */
#ifdef __cplusplus
}
#endif
#endif /* POLARSSL_CIPHER_WRAP_H */

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/**
* \file ctr_drbg.h
*
* \brief CTR_DRBG based on AES-256 (NIST SP 800-90)
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_CTR_DRBG_H
#define POLARSSL_CTR_DRBG_H
#include <string.h>
#include "aes.h"
#define POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED -0x0034 /**< The entropy source failed. */
#define POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG -0x0036 /**< Too many random requested in single call. */
#define POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG -0x0038 /**< Input too large (Entropy + additional). */
#define POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR -0x003A /**< Read/write error in file. */
#define CTR_DRBG_BLOCKSIZE 16 /**< Block size used by the cipher */
#define CTR_DRBG_KEYSIZE 32 /**< Key size used by the cipher */
#define CTR_DRBG_KEYBITS ( CTR_DRBG_KEYSIZE * 8 )
#define CTR_DRBG_SEEDLEN ( CTR_DRBG_KEYSIZE + CTR_DRBG_BLOCKSIZE )
/**< The seed length (counter + AES key) */
#if !defined(POLARSSL_CONFIG_OPTIONS)
#define CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default */
#define CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
#define CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
#define CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
#define CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
#endif /* !POLARSSL_CONFIG_OPTIONS */
#define CTR_DRBG_PR_OFF 0 /**< No prediction resistance */
#define CTR_DRBG_PR_ON 1 /**< Prediction resistance enabled */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief CTR_DRBG context structure
*/
typedef struct
{
unsigned char counter[16]; /*!< counter (V) */
int reseed_counter; /*!< reseed counter */
int prediction_resistance; /*!< enable prediction resistance (Automatic
reseed before every random generation) */
size_t entropy_len; /*!< amount of entropy grabbed on each (re)seed */
int reseed_interval; /*!< reseed interval */
aes_context aes_ctx; /*!< AES context */
/*
* Callbacks (Entropy)
*/
int (*f_entropy)(void *, unsigned char *, size_t);
void *p_entropy; /*!< context for the entropy function */
}
ctr_drbg_context;
/**
* \brief CTR_DRBG initialization
*
* Note: Personalization data can be provided in addition to the more generic
* entropy source to make this instantiation as unique as possible.
*
* \param ctx CTR_DRBG context to be initialized
* \param f_entropy Entropy callback (p_entropy, buffer to fill, buffer
* length)
* \param p_entropy Entropy context
* \param custom Personalization data (Device specific identifiers)
* (Can be NULL)
* \param len Length of personalization data
*
* \return 0 if successful, or
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int ctr_drbg_init( ctr_drbg_context *ctx,
int (*f_entropy)(void *, unsigned char *, size_t),
void *p_entropy,
const unsigned char *custom,
size_t len );
/**
* \brief Enable / disable prediction resistance (Default: Off)
*
* Note: If enabled, entropy is used for ctx->entropy_len before each call!
* Only use this if you have ample supply of good entropy!
*
* \param ctx CTR_DRBG context
* \param resistance CTR_DRBG_PR_ON or CTR_DRBG_PR_OFF
*/
void ctr_drbg_set_prediction_resistance( ctr_drbg_context *ctx,
int resistance );
/**
* \brief Set the amount of entropy grabbed on each (re)seed
* (Default: CTR_DRBG_ENTROPY_LEN)
*
* \param ctx CTR_DRBG context
* \param len Amount of entropy to grab
*/
void ctr_drbg_set_entropy_len( ctr_drbg_context *ctx,
size_t len );
/**
* \brief Set the reseed interval
* (Default: CTR_DRBG_RESEED_INTERVAL)
*
* \param ctx CTR_DRBG context
* \param interval Reseed interval
*/
void ctr_drbg_set_reseed_interval( ctr_drbg_context *ctx,
int interval );
/**
* \brief CTR_DRBG reseeding (extracts data from entropy source)
*
* \param ctx CTR_DRBG context
* \param additional Additional data to add to state (Can be NULL)
* \param len Length of additional data
*
* \return 0 if successful, or
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int ctr_drbg_reseed( ctr_drbg_context *ctx,
const unsigned char *additional, size_t len );
/**
* \brief CTR_DRBG update state
*
* \param ctx CTR_DRBG context
* \param additional Additional data to update state with
* \param add_len Length of additional data
*/
void ctr_drbg_update( ctr_drbg_context *ctx,
const unsigned char *additional, size_t add_len );
/**
* \brief CTR_DRBG generate random with additional update input
*
* Note: Automatically reseeds if reseed_counter is reached.
*
* \param p_rng CTR_DRBG context
* \param output Buffer to fill
* \param output_len Length of the buffer
* \param additional Additional data to update with (Can be NULL)
* \param add_len Length of additional data
*
* \return 0 if successful, or
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED, or
* POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG
*/
int ctr_drbg_random_with_add( void *p_rng,
unsigned char *output, size_t output_len,
const unsigned char *additional, size_t add_len );
/**
* \brief CTR_DRBG generate random
*
* Note: Automatically reseeds if reseed_counter is reached.
*
* \param p_rng CTR_DRBG context
* \param output Buffer to fill
* \param output_len Length of the buffer
*
* \return 0 if successful, or
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED, or
* POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG
*/
int ctr_drbg_random( void *p_rng,
unsigned char *output, size_t output_len );
#if defined(POLARSSL_FS_IO)
/**
* \brief Write a seed file
*
* \param path Name of the file
*
* \return 0 if successful, 1 on file error, or
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int ctr_drbg_write_seed_file( ctr_drbg_context *ctx, const char *path );
/**
* \brief Read and update a seed file. Seed is added to this
* instance
*
* \param path Name of the file
*
* \return 0 if successful, 1 on file error,
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
* POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG
*/
int ctr_drbg_update_seed_file( ctr_drbg_context *ctx, const char *path );
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int ctr_drbg_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* ctr_drbg.h */

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/**
* \file debug.h
*
* \brief Debug functions
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_DEBUG_H
#define POLARSSL_DEBUG_H
#include "config.h"
#include "ssl.h"
#if defined(POLARSSL_DEBUG_C)
#define SSL_DEBUG_MSG( level, args ) \
debug_print_msg( ssl, level, __FILE__, __LINE__, debug_fmt args );
#define SSL_DEBUG_RET( level, text, ret ) \
debug_print_ret( ssl, level, __FILE__, __LINE__, text, ret );
#define SSL_DEBUG_BUF( level, text, buf, len ) \
debug_print_buf( ssl, level, __FILE__, __LINE__, text, buf, len );
#define SSL_DEBUG_MPI( level, text, X ) \
debug_print_mpi( ssl, level, __FILE__, __LINE__, text, X );
#define SSL_DEBUG_CRT( level, text, crt ) \
debug_print_crt( ssl, level, __FILE__, __LINE__, text, crt );
#else
#define SSL_DEBUG_MSG( level, args ) do { } while( 0 )
#define SSL_DEBUG_RET( level, text, ret ) do { } while( 0 )
#define SSL_DEBUG_BUF( level, text, buf, len ) do { } while( 0 )
#define SSL_DEBUG_MPI( level, text, X ) do { } while( 0 )
#define SSL_DEBUG_CRT( level, text, crt ) do { } while( 0 )
#endif
#ifdef __cplusplus
extern "C" {
#endif
char *debug_fmt( const char *format, ... );
void debug_print_msg( const ssl_context *ssl, int level,
const char *file, int line, const char *text );
void debug_print_ret( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, int ret );
void debug_print_buf( const ssl_context *ssl, int level,
const char *file, int line, const char *text,
unsigned char *buf, size_t len );
void debug_print_mpi( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, const mpi *X );
void debug_print_crt( const ssl_context *ssl, int level,
const char *file, int line,
const char *text, const x509_cert *crt );
#ifdef __cplusplus
}
#endif
#endif /* debug.h */

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/**
* \file des.h
*
* \brief DES block cipher
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_DES_H
#define POLARSSL_DES_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define DES_ENCRYPT 1
#define DES_DECRYPT 0
#define POLARSSL_ERR_DES_INVALID_INPUT_LENGTH -0x0032 /**< The data input has an invalid length. */
#define DES_KEY_SIZE 8
#if !defined(POLARSSL_DES_ALT)
// Regular implementation
//
/**
* \brief DES context structure
*/
typedef struct
{
int mode; /*!< encrypt/decrypt */
uint32_t sk[32]; /*!< DES subkeys */
}
des_context;
/**
* \brief Triple-DES context structure
*/
typedef struct
{
int mode; /*!< encrypt/decrypt */
uint32_t sk[96]; /*!< 3DES subkeys */
}
des3_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Set key parity on the given key to odd.
*
* DES keys are 56 bits long, but each byte is padded with
* a parity bit to allow verification.
*
* \param key 8-byte secret key
*/
void des_key_set_parity( unsigned char key[DES_KEY_SIZE] );
/**
* \brief Check that key parity on the given key is odd.
*
* DES keys are 56 bits long, but each byte is padded with
* a parity bit to allow verification.
*
* \param key 8-byte secret key
*
* \return 0 is parity was ok, 1 if parity was not correct.
*/
int des_key_check_key_parity( const unsigned char key[DES_KEY_SIZE] );
/**
* \brief Check that key is not a weak or semi-weak DES key
*
* \param key 8-byte secret key
*
* \return 0 if no weak key was found, 1 if a weak key was identified.
*/
int des_key_check_weak( const unsigned char key[DES_KEY_SIZE] );
/**
* \brief DES key schedule (56-bit, encryption)
*
* \param ctx DES context to be initialized
* \param key 8-byte secret key
*
* \return 0
*/
int des_setkey_enc( des_context *ctx, const unsigned char key[DES_KEY_SIZE] );
/**
* \brief DES key schedule (56-bit, decryption)
*
* \param ctx DES context to be initialized
* \param key 8-byte secret key
*
* \return 0
*/
int des_setkey_dec( des_context *ctx, const unsigned char key[DES_KEY_SIZE] );
/**
* \brief Triple-DES key schedule (112-bit, encryption)
*
* \param ctx 3DES context to be initialized
* \param key 16-byte secret key
*
* \return 0
*/
int des3_set2key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
/**
* \brief Triple-DES key schedule (112-bit, decryption)
*
* \param ctx 3DES context to be initialized
* \param key 16-byte secret key
*
* \return 0
*/
int des3_set2key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] );
/**
* \brief Triple-DES key schedule (168-bit, encryption)
*
* \param ctx 3DES context to be initialized
* \param key 24-byte secret key
*
* \return 0
*/
int des3_set3key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
/**
* \brief Triple-DES key schedule (168-bit, decryption)
*
* \param ctx 3DES context to be initialized
* \param key 24-byte secret key
*
* \return 0
*/
int des3_set3key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] );
/**
* \brief DES-ECB block encryption/decryption
*
* \param ctx DES context
* \param input 64-bit input block
* \param output 64-bit output block
*
* \return 0 if successful
*/
int des_crypt_ecb( des_context *ctx,
const unsigned char input[8],
unsigned char output[8] );
/**
* \brief DES-CBC buffer encryption/decryption
*
* \param ctx DES context
* \param mode DES_ENCRYPT or DES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*/
int des_crypt_cbc( des_context *ctx,
int mode,
size_t length,
unsigned char iv[8],
const unsigned char *input,
unsigned char *output );
/**
* \brief 3DES-ECB block encryption/decryption
*
* \param ctx 3DES context
* \param input 64-bit input block
* \param output 64-bit output block
*
* \return 0 if successful
*/
int des3_crypt_ecb( des3_context *ctx,
const unsigned char input[8],
unsigned char output[8] );
/**
* \brief 3DES-CBC buffer encryption/decryption
*
* \param ctx 3DES context
* \param mode DES_ENCRYPT or DES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if successful, or POLARSSL_ERR_DES_INVALID_INPUT_LENGTH
*/
int des3_crypt_cbc( des3_context *ctx,
int mode,
size_t length,
unsigned char iv[8],
const unsigned char *input,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_DES_ALT */
#include "des_alt.h"
#endif /* POLARSSL_DES_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int des_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* des.h */

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/**
* \file dhm.h
*
* \brief Diffie-Hellman-Merkle key exchange
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_DHM_H
#define POLARSSL_DHM_H
#include "bignum.h"
/*
* DHM Error codes
*/
#define POLARSSL_ERR_DHM_BAD_INPUT_DATA -0x3080 /**< Bad input parameters to function. */
#define POLARSSL_ERR_DHM_READ_PARAMS_FAILED -0x3100 /**< Reading of the DHM parameters failed. */
#define POLARSSL_ERR_DHM_MAKE_PARAMS_FAILED -0x3180 /**< Making of the DHM parameters failed. */
#define POLARSSL_ERR_DHM_READ_PUBLIC_FAILED -0x3200 /**< Reading of the public values failed. */
#define POLARSSL_ERR_DHM_MAKE_PUBLIC_FAILED -0x3280 /**< Making of the public value failed. */
#define POLARSSL_ERR_DHM_CALC_SECRET_FAILED -0x3300 /**< Calculation of the DHM secret failed. */
/**
* RFC 3526 defines a number of standardized Diffie-Hellman groups
* for IKE.
* RFC 5114 defines a number of standardized Diffie-Hellman groups
* that can be used.
*
* Some are included here for convenience.
*
* Included are:
* RFC 3526 3. 2048-bit MODP Group
* RFC 3526 4. 3072-bit MODP Group
* RFC 5114 2.1. 1024-bit MODP Group with 160-bit Prime Order Subgroup
* RFC 5114 2.2. 2048-bit MODP Group with 224-bit Prime Order Subgroup
*/
#define POLARSSL_DHM_RFC3526_MODP_2048_P \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AACAA68FFFFFFFFFFFFFFFF"
#define POLARSSL_DHM_RFC3526_MODP_2048_G "02"
#define POLARSSL_DHM_RFC3526_MODP_3072_P \
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245" \
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED" \
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D" \
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F" \
"83655D23DCA3AD961C62F356208552BB9ED529077096966D" \
"670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B" \
"E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9" \
"DE2BCBF6955817183995497CEA956AE515D2261898FA0510" \
"15728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64" \
"ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7" \
"ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6B" \
"F12FFA06D98A0864D87602733EC86A64521F2B18177B200C" \
"BBE117577A615D6C770988C0BAD946E208E24FA074E5AB31" \
"43DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF"
#define POLARSSL_DHM_RFC3526_MODP_3072_G "02"
#define POLARSSL_DHM_RFC5114_MODP_1024_P \
"B10B8F96A080E01DDE92DE5EAE5D54EC52C99FBCFB06A3C6" \
"9A6A9DCA52D23B616073E28675A23D189838EF1E2EE652C0" \
"13ECB4AEA906112324975C3CD49B83BFACCBDD7D90C4BD70" \
"98488E9C219A73724EFFD6FAE5644738FAA31A4FF55BCCC0" \
"A151AF5F0DC8B4BD45BF37DF365C1A65E68CFDA76D4DA708" \
"DF1FB2BC2E4A4371"
#define POLARSSL_DHM_RFC5114_MODP_1024_G \
"A4D1CBD5C3FD34126765A442EFB99905F8104DD258AC507F" \
"D6406CFF14266D31266FEA1E5C41564B777E690F5504F213" \
"160217B4B01B886A5E91547F9E2749F4D7FBD7D3B9A92EE1" \
"909D0D2263F80A76A6A24C087A091F531DBF0A0169B6A28A" \
"D662A4D18E73AFA32D779D5918D08BC8858F4DCEF97C2A24" \
"855E6EEB22B3B2E5"
#define POLARSSL_DHM_RFC5114_MODP_2048_P \
"AD107E1E9123A9D0D660FAA79559C51FA20D64E5683B9FD1" \
"B54B1597B61D0A75E6FA141DF95A56DBAF9A3C407BA1DF15" \
"EB3D688A309C180E1DE6B85A1274A0A66D3F8152AD6AC212" \
"9037C9EDEFDA4DF8D91E8FEF55B7394B7AD5B7D0B6C12207" \
"C9F98D11ED34DBF6C6BA0B2C8BBC27BE6A00E0A0B9C49708" \
"B3BF8A317091883681286130BC8985DB1602E714415D9330" \
"278273C7DE31EFDC7310F7121FD5A07415987D9ADC0A486D" \
"CDF93ACC44328387315D75E198C641A480CD86A1B9E587E8" \
"BE60E69CC928B2B9C52172E413042E9B23F10B0E16E79763" \
"C9B53DCF4BA80A29E3FB73C16B8E75B97EF363E2FFA31F71" \
"CF9DE5384E71B81C0AC4DFFE0C10E64F"
#define POLARSSL_DHM_RFC5114_MODP_2048_G \
"AC4032EF4F2D9AE39DF30B5C8FFDAC506CDEBE7B89998CAF"\
"74866A08CFE4FFE3A6824A4E10B9A6F0DD921F01A70C4AFA"\
"AB739D7700C29F52C57DB17C620A8652BE5E9001A8D66AD7"\
"C17669101999024AF4D027275AC1348BB8A762D0521BC98A"\
"E247150422EA1ED409939D54DA7460CDB5F6C6B250717CBE"\
"F180EB34118E98D119529A45D6F834566E3025E316A330EF"\
"BB77A86F0C1AB15B051AE3D428C8F8ACB70A8137150B8EEB"\
"10E183EDD19963DDD9E263E4770589EF6AA21E7F5F2FF381"\
"B539CCE3409D13CD566AFBB48D6C019181E1BCFE94B30269"\
"EDFE72FE9B6AA4BD7B5A0F1C71CFFF4C19C418E1F6EC0179"\
"81BC087F2A7065B384B890D3191F2BFA"
/**
* \brief DHM context structure
*/
typedef struct
{
size_t len; /*!< size(P) in chars */
mpi P; /*!< prime modulus */
mpi G; /*!< generator */
mpi X; /*!< secret value */
mpi GX; /*!< self = G^X mod P */
mpi GY; /*!< peer = G^Y mod P */
mpi K; /*!< key = GY^X mod P */
mpi RP; /*!< cached R^2 mod P */
}
dhm_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Parse the ServerKeyExchange parameters
*
* \param ctx DHM context
* \param p &(start of input buffer)
* \param end end of buffer
*
* \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
*/
int dhm_read_params( dhm_context *ctx,
unsigned char **p,
const unsigned char *end );
/**
* \brief Setup and write the ServerKeyExchange parameters
*
* \param ctx DHM context
* \param x_size private value size in bytes
* \param output destination buffer
* \param olen number of chars written
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \note This function assumes that ctx->P and ctx->G
* have already been properly set (for example
* using mpi_read_string or mpi_read_binary).
*
* \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
*/
int dhm_make_params( dhm_context *ctx, int x_size,
unsigned char *output, size_t *olen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Import the peer's public value G^Y
*
* \param ctx DHM context
* \param input input buffer
* \param ilen size of buffer
*
* \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
*/
int dhm_read_public( dhm_context *ctx,
const unsigned char *input, size_t ilen );
/**
* \brief Create own private value X and export G^X
*
* \param ctx DHM context
* \param x_size private value size in bytes
* \param output destination buffer
* \param olen must be equal to ctx->P.len
* \param f_rng RNG function
* \param p_rng RNG parameter
*
* \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
*/
int dhm_make_public( dhm_context *ctx, int x_size,
unsigned char *output, size_t olen,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng );
/**
* \brief Derive and export the shared secret (G^Y)^X mod P
*
* \param ctx DHM context
* \param output destination buffer
* \param olen number of chars written
*
* \return 0 if successful, or an POLARSSL_ERR_DHM_XXX error code
*/
int dhm_calc_secret( dhm_context *ctx,
unsigned char *output, size_t *olen );
/**
* \brief Free the components of a DHM key
*/
void dhm_free( dhm_context *ctx );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int dhm_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif

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/**
* \file entropy.h
*
* \brief Entropy accumulator implementation
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_ENTROPY_H
#define POLARSSL_ENTROPY_H
#include <string.h>
#include "config.h"
#include "sha4.h"
#if defined(POLARSSL_HAVEGE_C)
#include "havege.h"
#endif
#define POLARSSL_ERR_ENTROPY_SOURCE_FAILED -0x003C /**< Critical entropy source failure. */
#define POLARSSL_ERR_ENTROPY_MAX_SOURCES -0x003E /**< No more sources can be added. */
#define POLARSSL_ERR_ENTROPY_NO_SOURCES_DEFINED -0x0040 /**< No sources have been added to poll. */
#if !defined(POLARSSL_CONFIG_OPTIONS)
#define ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */
#define ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */
#endif /* !POLARSSL_CONFIG_OPTIONS */
#define ENTROPY_BLOCK_SIZE 64 /**< Block size of entropy accumulator (SHA-512) */
#define ENTROPY_SOURCE_MANUAL ENTROPY_MAX_SOURCES
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Entropy poll callback pointer
*
* \param data Callback-specific data pointer
* \param output Data to fill
* \param len Maximum size to provide
* \param olen The actual amount of bytes put into the buffer (Can be 0)
*
* \return 0 if no critical failures occurred,
* POLARSSL_ERR_ENTROPY_SOURCE_FAILED otherwise
*/
typedef int (*f_source_ptr)(void *, unsigned char *, size_t, size_t *);
/**
* \brief Entropy source state
*/
typedef struct
{
f_source_ptr f_source; /**< The entropy source callback */
void * p_source; /**< The callback data pointer */
size_t size; /**< Amount received */
size_t threshold; /**< Minimum level required before release */
}
source_state;
/**
* \brief Entropy context structure
*/
typedef struct
{
sha4_context accumulator;
int source_count;
source_state source[ENTROPY_MAX_SOURCES];
#if defined(POLARSSL_HAVEGE_C)
havege_state havege_data;
#endif
}
entropy_context;
/**
* \brief Initialize the context
*
* \param ctx Entropy context to initialize
*/
void entropy_init( entropy_context *ctx );
/**
* \brief Adds an entropy source to poll
*
* \param ctx Entropy context
* \param f_source Entropy function
* \param p_source Function data
* \param threshold Minimum required from source before entropy is released
* ( with entropy_func() )
*
* \return 0 if successful or POLARSSL_ERR_ENTROPY_MAX_SOURCES
*/
int entropy_add_source( entropy_context *ctx,
f_source_ptr f_source, void *p_source,
size_t threshold );
/**
* \brief Trigger an extra gather poll for the accumulator
*
* \param ctx Entropy context
*
* \return 0 if successful, or POLARSSL_ERR_ENTROPY_SOURCE_FAILED
*/
int entropy_gather( entropy_context *ctx );
/**
* \brief Retrieve entropy from the accumulator (Max ENTROPY_BLOCK_SIZE)
*
* \param data Entropy context
* \param output Buffer to fill
* \param len Length of buffer
*
* \return 0 if successful, or POLARSSL_ERR_ENTROPY_SOURCE_FAILED
*/
int entropy_func( void *data, unsigned char *output, size_t len );
/**
* \brief Add data to the accumulator manually
*
* \param ctx Entropy context
* \param data Data to add
* \param len Length of data
*
* \return 0 if successful
*/
int entropy_update_manual( entropy_context *ctx,
const unsigned char *data, size_t len );
#ifdef __cplusplus
}
#endif
#endif /* entropy.h */

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/**
* \file entropy_poll.h
*
* \brief Platform-specific and custom entropy polling functions
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_ENTROPY_POLL_H
#define POLARSSL_ENTROPY_POLL_H
#include <string.h>
#include "config.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Default thresholds for built-in sources
*/
#define ENTROPY_MIN_PLATFORM 128 /**< Minimum for platform source */
#define ENTROPY_MIN_HAVEGE 128 /**< Minimum for HAVEGE */
#define ENTROPY_MIN_HARDCLOCK 32 /**< Minimum for hardclock() */
#if !defined(POLARSSL_NO_PLATFORM_ENTROPY)
/**
* \brief Platform-specific entropy poll callback
*/
int platform_entropy_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#if defined(POLARSSL_HAVEGE_C)
/**
* \brief HAVEGE based entropy poll callback
*
* Requires an HAVEGE state as its data pointer.
*/
int havege_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#if defined(POLARSSL_TIMING_C)
/**
* \brief hardclock-based entropy poll callback
*/
int hardclock_poll( void *data,
unsigned char *output, size_t len, size_t *olen );
#endif
#ifdef __cplusplus
}
#endif
#endif /* entropy_poll.h */

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/**
* \file error.h
*
* \brief Error to string translation
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_ERROR_H
#define POLARSSL_ERROR_H
#include <string.h>
/**
* Error code layout.
*
* Currently we try to keep all error codes within the negative space of 16
* bytes signed integers to support all platforms (-0x0000 - -0x8000). In
* addition we'd like to give two layers of information on the error if
* possible.
*
* For that purpose the error codes are segmented in the following manner:
*
* 16 bit error code bit-segmentation
*
* 1 bit - Intentionally not used
* 3 bits - High level module ID
* 5 bits - Module-dependent error code
* 6 bits - Low level module errors
* 1 bit - Intentionally not used
*
* Low-level module errors (0x007E-0x0002)
*
* Module Nr Codes assigned
* MPI 7 0x0002-0x0010
* GCM 2 0x0012-0x0014
* BLOWFISH 2 0x0016-0x0018
* AES 2 0x0020-0x0022
* CAMELLIA 2 0x0024-0x0026
* XTEA 1 0x0028-0x0028
* BASE64 2 0x002A-0x002C
* PADLOCK 1 0x0030-0x0030
* DES 1 0x0032-0x0032
* CTR_DBRG 3 0x0034-0x003A
* ENTROPY 3 0x003C-0x0040
* NET 11 0x0042-0x0056
* ASN1 7 0x0060-0x006C
* MD2 1 0x0070-0x0070
* MD4 1 0x0072-0x0072
* MD5 1 0x0074-0x0074
* SHA1 1 0x0076-0x0076
* SHA2 1 0x0078-0x0078
* SHA4 1 0x007A-0x007A
*
* High-level module nr (3 bits - 0x1...-0x8...)
* Name ID Nr of Errors
* PEM 1 9
* PKCS#12 1 4 (Started from top)
* X509 2 23
* DHM 3 6
* PKCS5 3 4 (Started from top)
* RSA 4 9
* MD 5 4
* CIPHER 6 5
* SSL 6 2 (Started from top)
* SSL 7 31
*
* Module dependent error code (5 bits 0x.08.-0x.F8.)
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Translate a PolarSSL error code into a string representation,
* Result is truncated if necessary and always includes a terminating
* null byte.
*
* \param errnum error code
* \param buffer buffer to place representation in
* \param buflen length of the buffer
*/
void error_strerror( int errnum, char *buffer, size_t buflen );
#ifdef __cplusplus
}
#endif
#endif /* error.h */

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/**
* \file gcm.h
*
* \brief Galois/Counter mode for AES
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_GCM_H
#define POLARSSL_GCM_H
#include "aes.h"
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT64 uint64_t;
#else
#include <stdint.h>
#endif
#define GCM_ENCRYPT 1
#define GCM_DECRYPT 0
#define POLARSSL_ERR_GCM_AUTH_FAILED -0x0012 /**< Authenticated decryption failed. */
#define POLARSSL_ERR_GCM_BAD_INPUT -0x0014 /**< Bad input parameters to function. */
/**
* \brief GCM context structure
*/
typedef struct {
aes_context aes_ctx; /*!< AES context used */
uint64_t HL[16]; /*!< Precalculated HTable */
uint64_t HH[16]; /*!< Precalculated HTable */
}
gcm_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief GCM initialization (encryption)
*
* \param ctx GCM context to be initialized
* \param key encryption key
* \param keysize must be 128, 192 or 256
*
* \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH
*/
int gcm_init( gcm_context *ctx, const unsigned char *key, unsigned int keysize );
/**
* \brief GCM buffer encryption/decryption using AES
*
* \note On encryption, the output buffer can be the same as the input buffer.
* On decryption, the output buffer cannot be the same as input buffer.
* If buffers overlap, the output buffer must trail at least 8 bytes
* behind the input buffer.
*
* \param ctx GCM context
* \param mode GCM_ENCRYPT or GCM_DECRYPT
* \param length length of the input data
* \param iv initialization vector
* \param iv_len length of IV
* \param add additional data
* \param add_len length of additional data
* \param input buffer holding the input data
* \param output buffer for holding the output data
* \param tag_len length of the tag to generate
* \param tag buffer for holding the tag
*
* \return 0 if successful
*/
int gcm_crypt_and_tag( gcm_context *ctx,
int mode,
size_t length,
const unsigned char *iv,
size_t iv_len,
const unsigned char *add,
size_t add_len,
const unsigned char *input,
unsigned char *output,
size_t tag_len,
unsigned char *tag );
/**
* \brief GCM buffer authenticated decryption using AES
*
* \note On decryption, the output buffer cannot be the same as input buffer.
* If buffers overlap, the output buffer must trail at least 8 bytes
* behind the input buffer.
*
* \param ctx GCM context
* \param length length of the input data
* \param iv initialization vector
* \param iv_len length of IV
* \param add additional data
* \param add_len length of additional data
* \param tag buffer holding the tag
* \param tag_len length of the tag
* \param input buffer holding the input data
* \param output buffer for holding the output data
*
* \return 0 if successful and authenticated,
* POLARSSL_ERR_GCM_AUTH_FAILED if tag does not match
*/
int gcm_auth_decrypt( gcm_context *ctx,
size_t length,
const unsigned char *iv,
size_t iv_len,
const unsigned char *add,
size_t add_len,
const unsigned char *tag,
size_t tag_len,
const unsigned char *input,
unsigned char *output );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int gcm_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* gcm.h */

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/**
* \file havege.h
*
* \brief HAVEGE: HArdware Volatile Entropy Gathering and Expansion
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_HAVEGE_H
#define POLARSSL_HAVEGE_H
#include <string.h>
#define COLLECT_SIZE 1024
/**
* \brief HAVEGE state structure
*/
typedef struct
{
int PT1, PT2, offset[2];
int pool[COLLECT_SIZE];
int WALK[8192];
}
havege_state;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief HAVEGE initialization
*
* \param hs HAVEGE state to be initialized
*/
void havege_init( havege_state *hs );
/**
* \brief HAVEGE rand function
*
* \param p_rng A HAVEGE state
* \param output Buffer to fill
* \param len Length of buffer
*
* \return 0
*/
int havege_random( void *p_rng, unsigned char *output, size_t len );
#ifdef __cplusplus
}
#endif
#endif /* havege.h */

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/**
* \file md.h
*
* \brief Generic message digest wrapper
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_MD_H
#define POLARSSL_MD_H
#include <string.h>
#if defined(_MSC_VER) && !defined(inline)
#define inline _inline
#else
#if defined(__ARMCC_VERSION) && !defined(inline)
#define inline __inline
#endif /* __ARMCC_VERSION */
#endif /*_MSC_VER */
#define POLARSSL_ERR_MD_FEATURE_UNAVAILABLE -0x5080 /**< The selected feature is not available. */
#define POLARSSL_ERR_MD_BAD_INPUT_DATA -0x5100 /**< Bad input parameters to function. */
#define POLARSSL_ERR_MD_ALLOC_FAILED -0x5180 /**< Failed to allocate memory. */
#define POLARSSL_ERR_MD_FILE_IO_ERROR -0x5200 /**< Opening or reading of file failed. */
typedef enum {
POLARSSL_MD_NONE=0,
POLARSSL_MD_MD2,
POLARSSL_MD_MD4,
POLARSSL_MD_MD5,
POLARSSL_MD_SHA1,
POLARSSL_MD_SHA224,
POLARSSL_MD_SHA256,
POLARSSL_MD_SHA384,
POLARSSL_MD_SHA512,
} md_type_t;
#define POLARSSL_MD_MAX_SIZE 64 /* longest known is SHA512 */
/**
* Message digest information. Allows message digest functions to be called
* in a generic way.
*/
typedef struct {
/** Digest identifier */
md_type_t type;
/** Name of the message digest */
const char * name;
/** Output length of the digest function */
int size;
/** Digest initialisation function */
void (*starts_func)( void *ctx );
/** Digest update function */
void (*update_func)( void *ctx, const unsigned char *input, size_t ilen );
/** Digest finalisation function */
void (*finish_func)( void *ctx, unsigned char *output );
/** Generic digest function */
void (*digest_func)( const unsigned char *input, size_t ilen,
unsigned char *output );
/** Generic file digest function */
int (*file_func)( const char *path, unsigned char *output );
/** HMAC Initialisation function */
void (*hmac_starts_func)( void *ctx, const unsigned char *key, size_t keylen );
/** HMAC update function */
void (*hmac_update_func)( void *ctx, const unsigned char *input, size_t ilen );
/** HMAC finalisation function */
void (*hmac_finish_func)( void *ctx, unsigned char *output);
/** HMAC context reset function */
void (*hmac_reset_func)( void *ctx );
/** Generic HMAC function */
void (*hmac_func)( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char *output );
/** Allocate a new context */
void * (*ctx_alloc_func)( void );
/** Free the given context */
void (*ctx_free_func)( void *ctx );
} md_info_t;
/**
* Generic message digest context.
*/
typedef struct {
/** Information about the associated message digest */
const md_info_t *md_info;
/** Digest-specific context */
void *md_ctx;
} md_context_t;
#define MD_CONTEXT_T_INIT { \
NULL, /* md_info */ \
NULL, /* md_ctx */ \
}
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Returns the list of digests supported by the generic digest module.
*
* \return a statically allocated array of digests, the last entry
* is 0.
*/
const int *md_list( void );
/**
* \brief Returns the message digest information associated with the
* given digest name.
*
* \param md_name Name of the digest to search for.
*
* \return The message digest information associated with md_name or
* NULL if not found.
*/
const md_info_t *md_info_from_string( const char *md_name );
/**
* \brief Returns the message digest information associated with the
* given digest type.
*
* \param md_type type of digest to search for.
*
* \return The message digest information associated with md_type or
* NULL if not found.
*/
const md_info_t *md_info_from_type( md_type_t md_type );
/**
* \brief Initialises and fills the message digest context structure with
* the appropriate values.
*
* \param ctx context to initialise. May not be NULL. The
* digest-specific context (ctx->md_ctx) must be NULL. It will
* be allocated, and must be freed using md_free_ctx() later.
* \param md_info message digest to use.
*
* \returns \c 0 on success, \c POLARSSL_ERR_MD_BAD_INPUT_DATA on
* parameter failure, \c POLARSSL_ERR_MD_ALLOC_FAILED if
* allocation of the digest-specific context failed.
*/
int md_init_ctx( md_context_t *ctx, const md_info_t *md_info );
/**
* \brief Free the message-specific context of ctx. Freeing ctx itself
* remains the responsibility of the caller.
*
* \param ctx Free the message-specific context
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_free_ctx( md_context_t *ctx );
/**
* \brief Returns the size of the message digest output.
*
* \param md_info message digest info
*
* \return size of the message digest output.
*/
static inline unsigned char md_get_size( const md_info_t *md_info )
{
if( md_info == NULL )
return( 0 );
return md_info->size;
}
/**
* \brief Returns the type of the message digest output.
*
* \param md_info message digest info
*
* \return type of the message digest output.
*/
static inline md_type_t md_get_type( const md_info_t *md_info )
{
if( md_info == NULL )
return( POLARSSL_MD_NONE );
return md_info->type;
}
/**
* \brief Returns the name of the message digest output.
*
* \param md_info message digest info
*
* \return name of the message digest output.
*/
static inline const char *md_get_name( const md_info_t *md_info )
{
if( md_info == NULL )
return( NULL );
return md_info->name;
}
/**
* \brief Set-up the given context for a new message digest
*
* \param ctx generic message digest context.
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_starts( md_context_t *ctx );
/**
* \brief Generic message digest process buffer
*
* \param ctx Generic message digest context
* \param input buffer holding the datal
* \param ilen length of the input data
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_update( md_context_t *ctx, const unsigned char *input, size_t ilen );
/**
* \brief Generic message digest final digest
*
* \param ctx Generic message digest context
* \param output Generic message digest checksum result
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_finish( md_context_t *ctx, unsigned char *output );
/**
* \brief Output = message_digest( input buffer )
*
* \param md_info message digest info
* \param input buffer holding the data
* \param ilen length of the input data
* \param output Generic message digest checksum result
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md( const md_info_t *md_info, const unsigned char *input, size_t ilen,
unsigned char *output );
/**
* \brief Output = message_digest( file contents )
*
* \param md_info message digest info
* \param path input file name
* \param output generic message digest checksum result
*
* \return 0 if successful, POLARSSL_ERR_MD_FILE_OPEN_FAILED if fopen
* failed, POLARSSL_ERR_MD_FILE_READ_FAILED if fread failed,
* POLARSSL_ERR_MD_BAD_INPUT_DATA if md_info was NULL.
*/
int md_file( const md_info_t *md_info, const char *path, unsigned char *output );
/**
* \brief Generic HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_starts( md_context_t *ctx, const unsigned char *key, size_t keylen );
/**
* \brief Generic HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_update( md_context_t *ctx, const unsigned char *input, size_t ilen );
/**
* \brief Generic HMAC final digest
*
* \param ctx HMAC context
* \param output Generic HMAC checksum result
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_finish( md_context_t *ctx, unsigned char *output);
/**
* \brief Generic HMAC context reset
*
* \param ctx HMAC context to be reset
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac_reset( md_context_t *ctx );
/**
* \brief Output = Generic_HMAC( hmac key, input buffer )
*
* \param md_info message digest info
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output Generic HMAC-result
*
* \returns 0 on success, POLARSSL_ERR_MD_BAD_INPUT_DATA if parameter
* verification fails.
*/
int md_hmac( const md_info_t *md_info, const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#endif /* POLARSSL_MD_H */

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/**
* \file md2.h
*
* \brief MD2 message digest algorithm (hash function)
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_MD2_H
#define POLARSSL_MD2_H
#include "config.h"
#include <string.h>
#define POLARSSL_ERR_MD2_FILE_IO_ERROR -0x0070 /**< Read/write error in file. */
#if !defined(POLARSSL_MD2_ALT)
// Regular implementation
//
/**
* \brief MD2 context structure
*/
typedef struct
{
unsigned char cksum[16]; /*!< checksum of the data block */
unsigned char state[48]; /*!< intermediate digest state */
unsigned char buffer[16]; /*!< data block being processed */
unsigned char ipad[16]; /*!< HMAC: inner padding */
unsigned char opad[16]; /*!< HMAC: outer padding */
size_t left; /*!< amount of data in buffer */
}
md2_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD2 context setup
*
* \param ctx context to be initialized
*/
void md2_starts( md2_context *ctx );
/**
* \brief MD2 process buffer
*
* \param ctx MD2 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md2_update( md2_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD2 final digest
*
* \param ctx MD2 context
* \param output MD2 checksum result
*/
void md2_finish( md2_context *ctx, unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_MD2_ALT */
#include "md2_alt.h"
#endif /* POLARSSL_MD2_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = MD2( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD2 checksum result
*/
void md2( const unsigned char *input, size_t ilen, unsigned char output[16] );
/**
* \brief Output = MD2( file contents )
*
* \param path input file name
* \param output MD2 checksum result
*
* \return 0 if successful, or POLARSSL_ERR_MD2_FILE_IO_ERROR
*/
int md2_file( const char *path, unsigned char output[16] );
/**
* \brief MD2 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
*/
void md2_hmac_starts( md2_context *ctx, const unsigned char *key, size_t keylen );
/**
* \brief MD2 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md2_hmac_update( md2_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD2 HMAC final digest
*
* \param ctx HMAC context
* \param output MD2 HMAC checksum result
*/
void md2_hmac_finish( md2_context *ctx, unsigned char output[16] );
/**
* \brief MD2 HMAC context reset
*
* \param ctx HMAC context to be reset
*/
void md2_hmac_reset( md2_context *ctx );
/**
* \brief Output = HMAC-MD2( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-MD2 result
*/
void md2_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[16] );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int md2_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* md2.h */

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/**
* \file md4.h
*
* \brief MD4 message digest algorithm (hash function)
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_MD4_H
#define POLARSSL_MD4_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_MD4_FILE_IO_ERROR -0x0072 /**< Read/write error in file. */
#if !defined(POLARSSL_MD4_ALT)
// Regular implementation
//
/**
* \brief MD4 context structure
*/
typedef struct
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[4]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
unsigned char ipad[64]; /*!< HMAC: inner padding */
unsigned char opad[64]; /*!< HMAC: outer padding */
}
md4_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD4 context setup
*
* \param ctx context to be initialized
*/
void md4_starts( md4_context *ctx );
/**
* \brief MD4 process buffer
*
* \param ctx MD4 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md4_update( md4_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD4 final digest
*
* \param ctx MD4 context
* \param output MD4 checksum result
*/
void md4_finish( md4_context *ctx, unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_MD4_ALT */
#include "md4_alt.h"
#endif /* POLARSSL_MD4_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = MD4( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD4 checksum result
*/
void md4( const unsigned char *input, size_t ilen, unsigned char output[16] );
/**
* \brief Output = MD4( file contents )
*
* \param path input file name
* \param output MD4 checksum result
*
* \return 0 if successful, or POLARSSL_ERR_MD4_FILE_IO_ERROR
*/
int md4_file( const char *path, unsigned char output[16] );
/**
* \brief MD4 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
*/
void md4_hmac_starts( md4_context *ctx, const unsigned char *key, size_t keylen );
/**
* \brief MD4 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md4_hmac_update( md4_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD4 HMAC final digest
*
* \param ctx HMAC context
* \param output MD4 HMAC checksum result
*/
void md4_hmac_finish( md4_context *ctx, unsigned char output[16] );
/**
* \brief MD4 HMAC context reset
*
* \param ctx HMAC context to be reset
*/
void md4_hmac_reset( md4_context *ctx );
/**
* \brief Output = HMAC-MD4( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-MD4 result
*/
void md4_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[16] );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int md4_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* md4.h */

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/**
* \file md5.h
*
* \brief MD5 message digest algorithm (hash function)
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_MD5_H
#define POLARSSL_MD5_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_MD5_FILE_IO_ERROR -0x0074 /**< Read/write error in file. */
#if !defined(POLARSSL_MD5_ALT)
// Regular implementation
//
/**
* \brief MD5 context structure
*/
typedef struct
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[4]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
unsigned char ipad[64]; /*!< HMAC: inner padding */
unsigned char opad[64]; /*!< HMAC: outer padding */
}
md5_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD5 context setup
*
* \param ctx context to be initialized
*/
void md5_starts( md5_context *ctx );
/**
* \brief MD5 process buffer
*
* \param ctx MD5 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md5_update( md5_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD5 final digest
*
* \param ctx MD5 context
* \param output MD5 checksum result
*/
void md5_finish( md5_context *ctx, unsigned char output[16] );
/* Internal use */
void md5_process( md5_context *ctx, const unsigned char data[64] );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_MD5_ALT */
#include "md5_alt.h"
#endif /* POLARSSL_MD5_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = MD5( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD5 checksum result
*/
void md5( const unsigned char *input, size_t ilen, unsigned char output[16] );
/**
* \brief Output = MD5( file contents )
*
* \param path input file name
* \param output MD5 checksum result
*
* \return 0 if successful, or POLARSSL_ERR_MD5_FILE_IO_ERROR
*/
int md5_file( const char *path, unsigned char output[16] );
/**
* \brief MD5 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
*/
void md5_hmac_starts( md5_context *ctx,
const unsigned char *key, size_t keylen );
/**
* \brief MD5 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md5_hmac_update( md5_context *ctx,
const unsigned char *input, size_t ilen );
/**
* \brief MD5 HMAC final digest
*
* \param ctx HMAC context
* \param output MD5 HMAC checksum result
*/
void md5_hmac_finish( md5_context *ctx, unsigned char output[16] );
/**
* \brief MD5 HMAC context reset
*
* \param ctx HMAC context to be reset
*/
void md5_hmac_reset( md5_context *ctx );
/**
* \brief Output = HMAC-MD5( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-MD5 result
*/
void md5_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[16] );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int md5_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* md5.h */

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/**
* \file md_wrap.h
*
* \brief Message digest wrappers.
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_MD_WRAP_H
#define POLARSSL_MD_WRAP_H
#include "config.h"
#include "md.h"
#ifdef __cplusplus
extern "C" {
#endif
#if defined(POLARSSL_MD2_C)
extern const md_info_t md2_info;
#endif
#if defined(POLARSSL_MD4_C)
extern const md_info_t md4_info;
#endif
#if defined(POLARSSL_MD5_C)
extern const md_info_t md5_info;
#endif
#if defined(POLARSSL_SHA1_C)
extern const md_info_t sha1_info;
#endif
#if defined(POLARSSL_SHA2_C)
extern const md_info_t sha224_info;
extern const md_info_t sha256_info;
#endif
#if defined(POLARSSL_SHA4_C)
extern const md_info_t sha384_info;
extern const md_info_t sha512_info;
#endif
#ifdef __cplusplus
}
#endif
#endif /* POLARSSL_MD_WRAP_H */

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/**
* \file net.h
*
* \brief Network communication functions
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_NET_H
#define POLARSSL_NET_H
#include <string.h>
#define POLARSSL_ERR_NET_UNKNOWN_HOST -0x0056 /**< Failed to get an IP address for the given hostname. */
#define POLARSSL_ERR_NET_SOCKET_FAILED -0x0042 /**< Failed to open a socket. */
#define POLARSSL_ERR_NET_CONNECT_FAILED -0x0044 /**< The connection to the given server / port failed. */
#define POLARSSL_ERR_NET_BIND_FAILED -0x0046 /**< Binding of the socket failed. */
#define POLARSSL_ERR_NET_LISTEN_FAILED -0x0048 /**< Could not listen on the socket. */
#define POLARSSL_ERR_NET_ACCEPT_FAILED -0x004A /**< Could not accept the incoming connection. */
#define POLARSSL_ERR_NET_RECV_FAILED -0x004C /**< Reading information from the socket failed. */
#define POLARSSL_ERR_NET_SEND_FAILED -0x004E /**< Sending information through the socket failed. */
#define POLARSSL_ERR_NET_CONN_RESET -0x0050 /**< Connection was reset by peer. */
#define POLARSSL_ERR_NET_WANT_READ -0x0052 /**< Connection requires a read call. */
#define POLARSSL_ERR_NET_WANT_WRITE -0x0054 /**< Connection requires a write call. */
#define POLARSSL_NET_LISTEN_BACKLOG 10 /**< The backlog that listen() should use. */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Initiate a TCP connection with host:port
*
* \param fd Socket to use
* \param host Host to connect to
* \param port Port to connect to
*
* \return 0 if successful, or one of:
* POLARSSL_ERR_NET_SOCKET_FAILED,
* POLARSSL_ERR_NET_UNKNOWN_HOST,
* POLARSSL_ERR_NET_CONNECT_FAILED
*/
int net_connect( int *fd, const char *host, int port );
/**
* \brief Create a listening socket on bind_ip:port.
* If bind_ip == NULL, all interfaces are binded.
*
* \param fd Socket to use
* \param bind_ip IP to bind to, can be NULL
* \param port Port number to use
*
* \return 0 if successful, or one of:
* POLARSSL_ERR_NET_SOCKET_FAILED,
* POLARSSL_ERR_NET_BIND_FAILED,
* POLARSSL_ERR_NET_LISTEN_FAILED
*/
int net_bind( int *fd, const char *bind_ip, int port );
/**
* \brief Accept a connection from a remote client
*
* \param bind_fd Relevant socket
* \param client_fd Will contain the connected client socket
* \param client_ip Will contain the client IP address
*
* \return 0 if successful, POLARSSL_ERR_NET_ACCEPT_FAILED, or
* POLARSSL_ERR_NET_WOULD_BLOCK is bind_fd was set to
* non-blocking and accept() is blocking.
*/
int net_accept( int bind_fd, int *client_fd, void *client_ip );
/**
* \brief Set the socket blocking
*
* \param fd Socket to set
*
* \return 0 if successful, or a non-zero error code
*/
int net_set_block( int fd );
/**
* \brief Set the socket non-blocking
*
* \param fd Socket to set
*
* \return 0 if successful, or a non-zero error code
*/
int net_set_nonblock( int fd );
/**
* \brief Portable usleep helper
*
* \param usec Amount of microseconds to sleep
*
* \note Real amount of time slept will not be less than
* select()'s timeout granularity (typically, 10ms).
*/
void net_usleep( unsigned long usec );
/**
* \brief Read at most 'len' characters. If no error occurs,
* the actual amount read is returned.
*
* \param ctx Socket
* \param buf The buffer to write to
* \param len Maximum length of the buffer
*
* \return This function returns the number of bytes received,
* or a non-zero error code; POLARSSL_ERR_NET_WANT_READ
* indicates read() is blocking.
*/
int net_recv( void *ctx, unsigned char *buf, size_t len );
/**
* \brief Write at most 'len' characters. If no error occurs,
* the actual amount read is returned.
*
* \param ctx Socket
* \param buf The buffer to read from
* \param len The length of the buffer
*
* \return This function returns the number of bytes sent,
* or a non-zero error code; POLARSSL_ERR_NET_WANT_WRITE
* indicates write() is blocking.
*/
int net_send( void *ctx, const unsigned char *buf, size_t len );
/**
* \brief Gracefully shutdown the connection
*
* \param fd The socket to close
*/
void net_close( int fd );
#ifdef __cplusplus
}
#endif
#endif /* net.h */

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/**
* \file openssl.h
*
* \brief OpenSSL wrapper (definitions, inline functions).
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* OpenSSL wrapper contributed by David Barett
*/
#ifndef POLARSSL_OPENSSL_H
#define POLARSSL_OPENSSL_H
#include "aes.h"
#include "md5.h"
#include "rsa.h"
#include "sha1.h"
#define AES_SIZE 16
#define AES_BLOCK_SIZE 16
#define AES_KEY aes_context
#define MD5_CTX md5_context
#define SHA_CTX sha1_context
#define SHA1_Init( CTX ) \
sha1_starts( (CTX) )
#define SHA1_Update( CTX, BUF, LEN ) \
sha1_update( (CTX), (unsigned char *)(BUF), (LEN) )
#define SHA1_Final( OUT, CTX ) \
sha1_finish( (CTX), (OUT) )
#define MD5_Init( CTX ) \
md5_starts( (CTX) )
#define MD5_Update( CTX, BUF, LEN ) \
md5_update( (CTX), (unsigned char *)(BUF), (LEN) )
#define MD5_Final( OUT, CTX ) \
md5_finish( (CTX), (OUT) )
#define AES_set_encrypt_key( KEY, KEYSIZE, CTX ) \
aes_setkey_enc( (CTX), (KEY), (KEYSIZE) )
#define AES_set_decrypt_key( KEY, KEYSIZE, CTX ) \
aes_setkey_dec( (CTX), (KEY), (KEYSIZE) )
#define AES_cbc_encrypt( INPUT, OUTPUT, LEN, CTX, IV, MODE ) \
aes_crypt_cbc( (CTX), (MODE), (LEN), (IV), (INPUT), (OUTPUT) )
/*
* RSA stuff follows. TODO: needs cleanup
*/
inline int __RSA_Passthrough( void *output, void *input, int size )
{
memcpy( output, input, size );
return size;
}
inline rsa_context* d2i_RSA_PUBKEY( void *ignore, unsigned char **bufptr,
int len )
{
unsigned char *buffer = *(unsigned char **) bufptr;
rsa_context *rsa;
/*
* Not a general-purpose parser: only parses public key from *exactly*
* openssl genrsa -out privkey.pem 512 (or 1024)
* openssl rsa -in privkey.pem -out privatekey.der -outform der
* openssl rsa -in privkey.pem -out pubkey.der -outform der -pubout
*
* TODO: make a general-purpose parse
*/
if( ignore != 0 || ( len != 94 && len != 162 ) )
return( 0 );
rsa = (rsa_context *) malloc( sizeof( rsa_rsa ) );
if( rsa == NULL )
return( 0 );
memset( rsa, 0, sizeof( rsa_context ) );
if( ( len == 94 &&
mpi_read_binary( &rsa->N, &buffer[ 25], 64 ) == 0 &&
mpi_read_binary( &rsa->E, &buffer[ 91], 3 ) == 0 ) ||
( len == 162 &&
mpi_read_binary( &rsa->N, &buffer[ 29], 128 ) == 0 ) &&
mpi_read_binary( &rsa->E, &buffer[159], 3 ) == 0 )
{
/*
* key read successfully
*/
rsa->len = ( mpi_msb( &rsa->N ) + 7 ) >> 3;
return( rsa );
}
else
{
memset( rsa, 0, sizeof( rsa_context ) );
free( rsa );
return( 0 );
}
}
#define RSA rsa_context
#define RSA_PKCS1_PADDING 1 /* ignored; always encrypt with this */
#define RSA_size( CTX ) (CTX)->len
#define RSA_free( CTX ) rsa_free( CTX )
#define ERR_get_error( ) "ERR_get_error() not supported"
#define RSA_blinding_off( IGNORE )
#define d2i_RSAPrivateKey( a, b, c ) new rsa_context /* TODO: C++ bleh */
inline int RSA_public_decrypt ( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { int outsize=size; if( !rsa_pkcs1_decrypt( key, RSA_PUBLIC, &outsize, input, output ) ) return outsize; else return -1; }
inline int RSA_private_decrypt( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { int outsize=size; if( !rsa_pkcs1_decrypt( key, RSA_PRIVATE, &outsize, input, output ) ) return outsize; else return -1; }
inline int RSA_public_encrypt ( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { if( !rsa_pkcs1_encrypt( key, RSA_PUBLIC, size, input, output ) ) return RSA_size(key); else return -1; }
inline int RSA_private_encrypt( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { if( !rsa_pkcs1_encrypt( key, RSA_PRIVATE, size, input, output ) ) return RSA_size(key); else return -1; }
#ifdef __cplusplus
}
#endif
#endif /* openssl.h */

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/**
* \file padlock.h
*
* \brief VIA PadLock ACE for HW encryption/decryption supported by some processors
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_PADLOCK_H
#define POLARSSL_PADLOCK_H
#include "aes.h"
#define POLARSSL_ERR_PADLOCK_DATA_MISALIGNED -0x0030 /**< Input data should be aligned. */
#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__i386__)
#ifndef POLARSSL_HAVE_X86
#define POLARSSL_HAVE_X86
#endif
#ifdef _MSC_VER
#include <basetsd.h>
typedef INT32 int32_t;
#else
#include <inttypes.h>
#endif
#define PADLOCK_RNG 0x000C
#define PADLOCK_ACE 0x00C0
#define PADLOCK_PHE 0x0C00
#define PADLOCK_PMM 0x3000
#define PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) x & ~15))
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief PadLock detection routine
*
* \param The feature to detect
*
* \return 1 if CPU has support for the feature, 0 otherwise
*/
int padlock_supports( int feature );
/**
* \brief PadLock AES-ECB block en(de)cryption
*
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if success, 1 if operation failed
*/
int padlock_xcryptecb( aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
/**
* \brief PadLock AES-CBC buffer en(de)cryption
*
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param length length of the input data
* \param iv initialization vector (updated after use)
* \param input buffer holding the input data
* \param output buffer holding the output data
*
* \return 0 if success, 1 if operation failed
*/
int padlock_xcryptcbc( aes_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
#ifdef __cplusplus
}
#endif
#endif /* HAVE_X86 */
#endif /* padlock.h */

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/**
* \file pbkdf2.h
*
* \brief Password-Based Key Derivation Function 2 (from PKCS#5)
* DEPRECATED: use pkcs5.h instead.
*
* \author Mathias Olsson <mathias@kompetensum.com>
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_PBKDF2_H
#define POLARSSL_PBKDF2_H
#include <string.h>
#include "md.h"
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_PBKDF2_BAD_INPUT_DATA -0x007C /**< Bad input parameters to function. */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief PKCS#5 PBKDF2 using HMAC
* DEPRECATED: Use pkcs5_pbkdf2_hmac() instead!
*
* \param ctx Generic HMAC context
* \param password Password to use when generating key
* \param plen Length of password
* \param salt Salt to use when generating key
* \param slen Length of salt
* \param iteration_count Iteration count
* \param key_length Length of generated key
* \param output Generated key. Must be at least as big as key_length
*
* \returns 0 on success, or a PolarSSL error code if verification fails.
*/
int pbkdf2_hmac( md_context_t *ctx, const unsigned char *password,
size_t plen, const unsigned char *salt, size_t slen,
unsigned int iteration_count,
uint32_t key_length, unsigned char *output );
/**
* \brief Checkup routine
* DEPRECATED: Use pkcs5_self_test() instead!
*
* \return 0 if successful, or 1 if the test failed
*/
int pbkdf2_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* pbkdf2.h */

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/**
* \file pem.h
*
* \brief Privacy Enhanced Mail (PEM) decoding
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_PEM_H
#define POLARSSL_PEM_H
#include <string.h>
/**
* \name PEM Error codes
* These error codes are returned in case of errors reading the
* PEM data.
* \{
*/
#define POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT -0x1080 /**< No PEM header or footer found. */
#define POLARSSL_ERR_PEM_INVALID_DATA -0x1100 /**< PEM string is not as expected. */
#define POLARSSL_ERR_PEM_MALLOC_FAILED -0x1180 /**< Failed to allocate memory. */
#define POLARSSL_ERR_PEM_INVALID_ENC_IV -0x1200 /**< RSA IV is not in hex-format. */
#define POLARSSL_ERR_PEM_UNKNOWN_ENC_ALG -0x1280 /**< Unsupported key encryption algorithm. */
#define POLARSSL_ERR_PEM_PASSWORD_REQUIRED -0x1300 /**< Private key password can't be empty. */
#define POLARSSL_ERR_PEM_PASSWORD_MISMATCH -0x1380 /**< Given private key password does not allow for correct decryption. */
#define POLARSSL_ERR_PEM_FEATURE_UNAVAILABLE -0x1400 /**< Unavailable feature, e.g. hashing/encryption combination. */
#define POLARSSL_ERR_PEM_BAD_INPUT_DATA -0x1480 /**< Bad input parameters to function. */
/* \} name */
/**
* \brief PEM context structure
*/
typedef struct
{
unsigned char *buf; /*!< buffer for decoded data */
size_t buflen; /*!< length of the buffer */
unsigned char *info; /*!< buffer for extra header information */
}
pem_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief PEM context setup
*
* \param ctx context to be initialized
*/
void pem_init( pem_context *ctx );
/**
* \brief Read a buffer for PEM information and store the resulting
* data into the specified context buffers.
*
* \param ctx context to use
* \param header header string to seek and expect
* \param footer footer string to seek and expect
* \param data source data to look in
* \param pwd password for decryption (can be NULL)
* \param pwdlen length of password
* \param use_len destination for total length used (set after header is
* correctly read, so unless you get
* POLARSSL_ERR_PEM_BAD_INPUT_DATA or
* POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT, use_len is
* the length to skip)
*
* \return 0 on success, ior a specific PEM error code
*/
int pem_read_buffer( pem_context *ctx, char *header, char *footer,
const unsigned char *data,
const unsigned char *pwd,
size_t pwdlen, size_t *use_len );
/**
* \brief PEM context memory freeing
*
* \param ctx context to be freed
*/
void pem_free( pem_context *ctx );
#ifdef __cplusplus
}
#endif
#endif /* pem.h */

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/**
* \file pkcs11.h
*
* \brief Wrapper for PKCS#11 library libpkcs11-helper
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_PKCS11_H
#define POLARSSL_PKCS11_H
#include "config.h"
#if defined(POLARSSL_PKCS11_C)
#include "x509.h"
#include <pkcs11-helper-1.0/pkcs11h-certificate.h>
#if defined(_MSC_VER) && !defined(inline)
#define inline _inline
#else
#if defined(__ARMCC_VERSION) && !defined(inline)
#define inline __inline
#endif /* __ARMCC_VERSION */
#endif /*_MSC_VER */
/**
* Context for PKCS #11 private keys.
*/
typedef struct {
pkcs11h_certificate_t pkcs11h_cert;
int len;
} pkcs11_context;
/**
* Fill in a PolarSSL certificate, based on the given PKCS11 helper certificate.
*
* \param cert X.509 certificate to fill
* \param pkcs11h_cert PKCS #11 helper certificate
*
* \return 0 on success.
*/
int pkcs11_x509_cert_init( x509_cert *cert, pkcs11h_certificate_t pkcs11h_cert );
/**
* Initialise a pkcs11_context, storing the given certificate. Note that the
* pkcs11_context will take over control of the certificate, freeing it when
* done.
*
* \param priv_key Private key structure to fill.
* \param pkcs11_cert PKCS #11 helper certificate
*
* \return 0 on success
*/
int pkcs11_priv_key_init( pkcs11_context *priv_key,
pkcs11h_certificate_t pkcs11_cert );
/**
* Free the contents of the given private key context. Note that the structure
* itself is not freed.
*
* \param priv_key Private key structure to cleanup
*/
void pkcs11_priv_key_free( pkcs11_context *priv_key );
/**
* \brief Do an RSA private key decrypt, then remove the message padding
*
* \param ctx PKCS #11 context
* \param mode must be RSA_PRIVATE, for compatibility with rsa.c's signature
* \param input buffer holding the encrypted data
* \param output buffer that will hold the plaintext
* \param olen will contain the plaintext length
* \param output_max_len maximum length of the output buffer
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
* an error is thrown.
*/
int pkcs11_decrypt( pkcs11_context *ctx,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len );
/**
* \brief Do a private RSA to sign a message digest
*
* \param ctx PKCS #11 context
* \param mode must be RSA_PRIVATE, for compatibility with rsa.c's signature
* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
* \param hashlen message digest length (for SIG_RSA_RAW only)
* \param hash buffer holding the message digest
* \param sig buffer that will hold the ciphertext
*
* \return 0 if the signing operation was successful,
* or an POLARSSL_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int pkcs11_sign( pkcs11_context *ctx,
int mode,
int hash_id,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* SSL/TLS wrappers for PKCS#11 functions
*/
static inline int ssl_pkcs11_decrypt( void *ctx, int mode, size_t *olen,
const unsigned char *input, unsigned char *output,
size_t output_max_len )
{
return pkcs11_decrypt( (pkcs11_context *) ctx, mode, olen, input, output,
output_max_len );
}
static inline int ssl_pkcs11_sign( void *ctx,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
int mode, int hash_id, unsigned int hashlen,
const unsigned char *hash, unsigned char *sig )
{
((void) f_rng);
((void) p_rng);
return pkcs11_sign( (pkcs11_context *) ctx, mode, hash_id,
hashlen, hash, sig );
}
static inline size_t ssl_pkcs11_key_len( void *ctx )
{
return ( (pkcs11_context *) ctx )->len;
}
#endif /* POLARSSL_PKCS11_C */
#endif /* POLARSSL_PKCS11_H */

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/**
* \file pkcs12.h
*
* \brief PKCS#12 Personal Information Exchange Syntax
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_PKCS12_H
#define POLARSSL_PKCS12_H
#include <string.h>
#include "md.h"
#include "cipher.h"
#include "asn1.h"
#define POLARSSL_ERR_PKCS12_BAD_INPUT_DATA -0x1F80 /**< Bad input parameters to function. */
#define POLARSSL_ERR_PKCS12_FEATURE_UNAVAILABLE -0x1F00 /**< Feature not available, e.g. unsupported encryption scheme. */
#define POLARSSL_ERR_PKCS12_PBE_INVALID_FORMAT -0x1E80 /**< PBE ASN.1 data not as expected. */
#define POLARSSL_ERR_PKCS12_PASSWORD_MISMATCH -0x1E00 /**< Given private key password does not allow for correct decryption. */
#define PKCS12_DERIVE_KEY 1 /*< encryption/decryption key */
#define PKCS12_DERIVE_IV 2 /*< initialization vector */
#define PKCS12_DERIVE_MAC_KEY 3 /*< integrity / MAC key */
#define PKCS12_PBE_DECRYPT 0
#define PKCS12_PBE_ENCRYPT 1
/*
* PKCS#12 PBE types
*/
#define OID_PKCS12 "\x2a\x86\x48\x86\xf7\x0d\x01\x0c"
#define OID_PKCS12_PBE_SHA1_RC4_128 OID_PKCS12 "\x01\x01"
#define OID_PKCS12_PBE_SHA1_DES3_EDE_CBC OID_PKCS12 "\x01\x03"
#define OID_PKCS12_PBE_SHA1_DES2_EDE_CBC OID_PKCS12 "\x01\x04"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief PKCS12 Password Based function (encryption / decryption)
* for pbeWithSHAAnd128BitRC4
*
* \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
* \param mode either PKCS12_PBE_ENCRYPT or PKCS12_PBE_DECRYPT
* \param pwd the password used (may be NULL if no password is used)
* \param pwdlen length of the password (may be 0)
* \param input the input data
* \param len data length
* \param output the output buffer
*
* \return 0 if successful, or a PolarSSL error code
*/
int pkcs12_pbe_sha1_rc4_128( asn1_buf *pbe_params, int mode,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *input, size_t len,
unsigned char *output );
/**
* \brief PKCS12 Password Based function (encryption / decryption)
* for cipher-based and md-based PBE's
*
* \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
* \param mode either PKCS12_PBE_ENCRYPT or PKCS12_PBE_DECRYPT
* \param cipher_type the cipher used
* \param md_type the md used
* \param pwd the password used (may be NULL if no password is used)
* \param pwdlen length of the password (may be 0)
* \param input the input data
* \param len data length
* \param output the output buffer
*
* \return 0 if successful, or a PolarSSL error code
*/
int pkcs12_pbe( asn1_buf *pbe_params, int mode,
cipher_type_t cipher_type, md_type_t md_type,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *input, size_t len,
unsigned char *output );
/**
* \brief The PKCS#12 derivation function uses a password and a salt
* to produce pseudo-random bits for a particular "purpose".
*
* Depending on the given id, this function can produce an
* encryption/decryption key, an nitialization vector or an
* integrity key.
*
* \param data buffer to store the derived data in
* \param datalen length to fill
* \param pwd password to use (may be NULL if no password is used)
* \param pwdlen length of the password (may be 0)
* \param salt salt buffer to use
* \param saltlen length of the salt
* \param md md type to use during the derivation
* \param id id that describes the purpose (can be PKCS12_DERIVE_KEY,
* PKCS12_DERIVE_IV or PKCS12_DERIVE_MAC_KEY)
* \param iterations number of iterations
*
* \return 0 if successful, or a MD, BIGNUM type error.
*/
int pkcs12_derivation( unsigned char *data, size_t datalen,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *salt, size_t saltlen,
md_type_t md, int id, int iterations );
#ifdef __cplusplus
}
#endif
#endif /* pkcs12.h */

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/**
* \file pkcs#5.h
*
* \brief PKCS#5 functions
*
* \author Mathias Olsson <mathias@kompetensum.com>
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_PKCS5_H
#define POLARSSL_PKCS5_H
#include <string.h>
#include "asn1.h"
#include "md.h"
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_PKCS5_BAD_INPUT_DATA -0x3f80 /**< Bad input parameters to function. */
#define POLARSSL_ERR_PKCS5_INVALID_FORMAT -0x3f00 /**< Unexpected ASN.1 data. */
#define POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE -0x3e80 /**< Requested encryption or digest alg not available. */
#define POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH -0x3e00 /**< Given private key password does not allow for correct decryption. */
#define PKCS5_DECRYPT 0
#define PKCS5_ENCRYPT 1
/*
* PKCS#5 OIDs
*/
#define OID_PKCS5 "\x2a\x86\x48\x86\xf7\x0d\x01\x05"
#define OID_PKCS5_PBES2 OID_PKCS5 "\x0d"
#define OID_PKCS5_PBKDF2 OID_PKCS5 "\x0c"
/*
* Encryption Algorithm OIDs
*/
#define OID_DES_CBC "\x2b\x0e\x03\x02\x07"
#define OID_DES_EDE3_CBC "\x2a\x86\x48\x86\xf7\x0d\x03\x07"
/*
* Digest Algorithm OIDs
*/
#define OID_HMAC_SHA1 "\x2a\x86\x48\x86\xf7\x0d\x02\x07"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief PKCS#5 PBES2 function
*
* \param pbe_params the ASN.1 algorithm parameters
* \param mode either PKCS5_DECRYPT or PKCS5_ENCRYPT
* \param pwd password to use when generating key
* \param plen length of password
* \param data data to process
* \param datalen length of data
* \param output output buffer
*
* \returns 0 on success, or a PolarSSL error code if verification fails.
*/
int pkcs5_pbes2( asn1_buf *pbe_params, int mode,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *data, size_t datalen,
unsigned char *output );
/**
* \brief PKCS#5 PBKDF2 using HMAC
*
* \param ctx Generic HMAC context
* \param password Password to use when generating key
* \param plen Length of password
* \param salt Salt to use when generating key
* \param slen Length of salt
* \param iteration_count Iteration count
* \param key_length Length of generated key
* \param output Generated key. Must be at least as big as key_length
*
* \returns 0 on success, or a PolarSSL error code if verification fails.
*/
int pkcs5_pbkdf2_hmac( md_context_t *ctx, const unsigned char *password,
size_t plen, const unsigned char *salt, size_t slen,
unsigned int iteration_count,
uint32_t key_length, unsigned char *output );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int pkcs5_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* pkcs5.h */

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/**
* \file rsa.h
*
* \brief The RSA public-key cryptosystem
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_RSA_H
#define POLARSSL_RSA_H
#include "bignum.h"
/*
* RSA Error codes
*/
#define POLARSSL_ERR_RSA_BAD_INPUT_DATA -0x4080 /**< Bad input parameters to function. */
#define POLARSSL_ERR_RSA_INVALID_PADDING -0x4100 /**< Input data contains invalid padding and is rejected. */
#define POLARSSL_ERR_RSA_KEY_GEN_FAILED -0x4180 /**< Something failed during generation of a key. */
#define POLARSSL_ERR_RSA_KEY_CHECK_FAILED -0x4200 /**< Key failed to pass the libraries validity check. */
#define POLARSSL_ERR_RSA_PUBLIC_FAILED -0x4280 /**< The public key operation failed. */
#define POLARSSL_ERR_RSA_PRIVATE_FAILED -0x4300 /**< The private key operation failed. */
#define POLARSSL_ERR_RSA_VERIFY_FAILED -0x4380 /**< The PKCS#1 verification failed. */
#define POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE -0x4400 /**< The output buffer for decryption is not large enough. */
#define POLARSSL_ERR_RSA_RNG_FAILED -0x4480 /**< The random generator failed to generate non-zeros. */
/*
* PKCS#1 constants
*/
#define SIG_RSA_RAW 0
#define SIG_RSA_MD2 2
#define SIG_RSA_MD4 3
#define SIG_RSA_MD5 4
#define SIG_RSA_SHA1 5
#define SIG_RSA_SHA224 14
#define SIG_RSA_SHA256 11
#define SIG_RSA_SHA384 12
#define SIG_RSA_SHA512 13
#define RSA_PUBLIC 0
#define RSA_PRIVATE 1
#define RSA_PKCS_V15 0
#define RSA_PKCS_V21 1
#define RSA_SIGN 1
#define RSA_CRYPT 2
#define ASN1_STR_CONSTRUCTED_SEQUENCE "\x30"
#define ASN1_STR_NULL "\x05"
#define ASN1_STR_OID "\x06"
#define ASN1_STR_OCTET_STRING "\x04"
#define OID_DIGEST_ALG_MDX "\x2A\x86\x48\x86\xF7\x0D\x02\x00"
#define OID_HASH_ALG_SHA1 "\x2b\x0e\x03\x02\x1a"
#define OID_HASH_ALG_SHA2X "\x60\x86\x48\x01\x65\x03\x04\x02\x00"
#define OID_ISO_MEMBER_BODIES "\x2a"
#define OID_ISO_IDENTIFIED_ORG "\x2b"
/*
* ISO Member bodies OID parts
*/
#define OID_COUNTRY_US "\x86\x48"
#define OID_RSA_DATA_SECURITY "\x86\xf7\x0d"
/*
* ISO Identified organization OID parts
*/
#define OID_OIW_SECSIG_SHA1 "\x0e\x03\x02\x1a"
/*
* DigestInfo ::= SEQUENCE {
* digestAlgorithm DigestAlgorithmIdentifier,
* digest Digest }
*
* DigestAlgorithmIdentifier ::= AlgorithmIdentifier
*
* Digest ::= OCTET STRING
*/
#define ASN1_HASH_MDX \
( \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x20" \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x0C" \
ASN1_STR_OID "\x08" \
OID_DIGEST_ALG_MDX \
ASN1_STR_NULL "\x00" \
ASN1_STR_OCTET_STRING "\x10" \
)
#define ASN1_HASH_SHA1 \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x21" \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x09" \
ASN1_STR_OID "\x05" \
OID_HASH_ALG_SHA1 \
ASN1_STR_NULL "\x00" \
ASN1_STR_OCTET_STRING "\x14"
#define ASN1_HASH_SHA1_ALT \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x1F" \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x07" \
ASN1_STR_OID "\x05" \
OID_HASH_ALG_SHA1 \
ASN1_STR_OCTET_STRING "\x14"
#define ASN1_HASH_SHA2X \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x11" \
ASN1_STR_CONSTRUCTED_SEQUENCE "\x0d" \
ASN1_STR_OID "\x09" \
OID_HASH_ALG_SHA2X \
ASN1_STR_NULL "\x00" \
ASN1_STR_OCTET_STRING "\x00"
/**
* \brief RSA context structure
*/
typedef struct
{
int ver; /*!< always 0 */
size_t len; /*!< size(N) in chars */
mpi N; /*!< public modulus */
mpi E; /*!< public exponent */
mpi D; /*!< private exponent */
mpi P; /*!< 1st prime factor */
mpi Q; /*!< 2nd prime factor */
mpi DP; /*!< D % (P - 1) */
mpi DQ; /*!< D % (Q - 1) */
mpi QP; /*!< 1 / (Q % P) */
mpi RN; /*!< cached R^2 mod N */
mpi RP; /*!< cached R^2 mod P */
mpi RQ; /*!< cached R^2 mod Q */
int padding; /*!< RSA_PKCS_V15 for 1.5 padding and
RSA_PKCS_v21 for OAEP/PSS */
int hash_id; /*!< Hash identifier of md_type_t as
specified in the md.h header file
for the EME-OAEP and EMSA-PSS
encoding */
}
rsa_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Initialize an RSA context
*
* Note: Set padding to RSA_PKCS_V21 for the RSAES-OAEP
* encryption scheme and the RSASSA-PSS signature scheme.
*
* \param ctx RSA context to be initialized
* \param padding RSA_PKCS_V15 or RSA_PKCS_V21
* \param hash_id RSA_PKCS_V21 hash identifier
*
* \note The hash_id parameter is actually ignored
* when using RSA_PKCS_V15 padding.
*/
void rsa_init( rsa_context *ctx,
int padding,
int hash_id);
/**
* \brief Generate an RSA keypair
*
* \param ctx RSA context that will hold the key
* \param f_rng RNG function
* \param p_rng RNG parameter
* \param nbits size of the public key in bits
* \param exponent public exponent (e.g., 65537)
*
* \note rsa_init() must be called beforehand to setup
* the RSA context.
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*/
int rsa_gen_key( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
unsigned int nbits, int exponent );
/**
* \brief Check a public RSA key
*
* \param ctx RSA context to be checked
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*/
int rsa_check_pubkey( const rsa_context *ctx );
/**
* \brief Check a private RSA key
*
* \param ctx RSA context to be checked
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*/
int rsa_check_privkey( const rsa_context *ctx );
/**
* \brief Do an RSA public key operation
*
* \param ctx RSA context
* \param input input buffer
* \param output output buffer
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note This function does NOT take care of message
* padding. Also, be sure to set input[0] = 0 or assure that
* input is smaller than N.
*
* \note The input and output buffers must be large
* enough (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_public( rsa_context *ctx,
const unsigned char *input,
unsigned char *output );
/**
* \brief Do an RSA private key operation
*
* \param ctx RSA context
* \param input input buffer
* \param output output buffer
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The input and output buffers must be large
* enough (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_private( rsa_context *ctx,
const unsigned char *input,
unsigned char *output );
/**
* \brief Generic wrapper to perform a PKCS#1 encryption using the
* mode from the context. Add the message padding, then do an
* RSA operation.
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param ilen contains the plaintext length
* \param input buffer holding the data to be encrypted
* \param output buffer that will hold the ciphertext
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_pkcs1_encrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t ilen,
const unsigned char *input,
unsigned char *output );
/**
* \brief Perform a PKCS#1 v1.5 encryption (RSAES-PKCS1-v1_5-ENCRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param ilen contains the plaintext length
* \param input buffer holding the data to be encrypted
* \param output buffer that will hold the ciphertext
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_rsaes_pkcs1_v15_encrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode, size_t ilen,
const unsigned char *input,
unsigned char *output );
/**
* \brief Perform a PKCS#1 v2.1 OAEP encryption (RSAES-OAEP-ENCRYPT)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for padding and PKCS#1 v2.1 encoding)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param label buffer holding the custom label to use
* \param label_len contains the label length
* \param ilen contains the plaintext length
* \param input buffer holding the data to be encrypted
* \param output buffer that will hold the ciphertext
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_rsaes_oaep_encrypt( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
const unsigned char *label, size_t label_len,
size_t ilen,
const unsigned char *input,
unsigned char *output );
/**
* \brief Generic wrapper to perform a PKCS#1 decryption using the
* mode from the context. Do an RSA operation, then remove
* the message padding
*
* \param ctx RSA context
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
* \param output buffer that will hold the plaintext
* \param output_max_len maximum length of the output buffer
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
* an error is thrown.
*/
int rsa_pkcs1_decrypt( rsa_context *ctx,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len );
/**
* \brief Perform a PKCS#1 v1.5 decryption (RSAES-PKCS1-v1_5-DECRYPT)
*
* \param ctx RSA context
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
* \param output buffer that will hold the plaintext
* \param output_max_len maximum length of the output buffer
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
* an error is thrown.
*/
int rsa_rsaes_pkcs1_v15_decrypt( rsa_context *ctx,
int mode, size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len );
/**
* \brief Perform a PKCS#1 v2.1 OAEP decryption (RSAES-OAEP-DECRYPT)
*
* \param ctx RSA context
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param label buffer holding the custom label to use
* \param label_len contains the label length
* \param olen will contain the plaintext length
* \param input buffer holding the encrypted data
* \param output buffer that will hold the plaintext
* \param output_max_len maximum length of the output buffer
*
* \return 0 if successful, or an POLARSSL_ERR_RSA_XXX error code
*
* \note The output buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used) otherwise
* an error is thrown.
*/
int rsa_rsaes_oaep_decrypt( rsa_context *ctx,
int mode,
const unsigned char *label, size_t label_len,
size_t *olen,
const unsigned char *input,
unsigned char *output,
size_t output_max_len );
/**
* \brief Generic wrapper to perform a PKCS#1 signature using the
* mode from the context. Do a private RSA operation to sign
* a message digest
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
* \param hashlen message digest length (for SIG_RSA_RAW only)
* \param hash buffer holding the message digest
* \param sig buffer that will hold the ciphertext
*
* \return 0 if the signing operation was successful,
* or an POLARSSL_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note In case of PKCS#1 v2.1 encoding keep in mind that
* the hash_id in the RSA context is the one used for the
* encoding. hash_id in the function call is the type of hash
* that is encoded. According to RFC 3447 it is advised to
* keep both hashes the same.
*/
int rsa_pkcs1_sign( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
int hash_id,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Perform a PKCS#1 v1.5 signature (RSASSA-PKCS1-v1_5-SIGN)
*
* \param ctx RSA context
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
* \param hashlen message digest length (for SIG_RSA_RAW only)
* \param hash buffer holding the message digest
* \param sig buffer that will hold the ciphertext
*
* \return 0 if the signing operation was successful,
* or an POLARSSL_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_rsassa_pkcs1_v15_sign( rsa_context *ctx,
int mode,
int hash_id,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Perform a PKCS#1 v2.1 PSS signature (RSASSA-PSS-SIGN)
*
* \param ctx RSA context
* \param f_rng RNG function (Needed for PKCS#1 v2.1 encoding)
* \param p_rng RNG parameter
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
* \param hashlen message digest length (for SIG_RSA_RAW only)
* \param hash buffer holding the message digest
* \param sig buffer that will hold the ciphertext
*
* \return 0 if the signing operation was successful,
* or an POLARSSL_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note In case of PKCS#1 v2.1 encoding keep in mind that
* the hash_id in the RSA context is the one used for the
* encoding. hash_id in the function call is the type of hash
* that is encoded. According to RFC 3447 it is advised to
* keep both hashes the same.
*/
int rsa_rsassa_pss_sign( rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
int hash_id,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Generic wrapper to perform a PKCS#1 verification using the
* mode from the context. Do a public RSA operation and check
* the message digest
*
* \param ctx points to an RSA public key
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
* \param hashlen message digest length (for SIG_RSA_RAW only)
* \param hash buffer holding the message digest
* \param sig buffer holding the ciphertext
*
* \return 0 if the verify operation was successful,
* or an POLARSSL_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note In case of PKCS#1 v2.1 encoding keep in mind that
* the hash_id in the RSA context is the one used for the
* verification. hash_id in the function call is the type of hash
* that is verified. According to RFC 3447 it is advised to
* keep both hashes the same.
*/
int rsa_pkcs1_verify( rsa_context *ctx,
int mode,
int hash_id,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Perform a PKCS#1 v1.5 verification (RSASSA-PKCS1-v1_5-VERIFY)
*
* \param ctx points to an RSA public key
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
* \param hashlen message digest length (for SIG_RSA_RAW only)
* \param hash buffer holding the message digest
* \param sig buffer holding the ciphertext
*
* \return 0 if the verify operation was successful,
* or an POLARSSL_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*/
int rsa_rsassa_pkcs1_v15_verify( rsa_context *ctx,
int mode,
int hash_id,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Perform a PKCS#1 v2.1 PSS verification (RSASSA-PSS-VERIFY)
* \brief Do a public RSA and check the message digest
*
* \param ctx points to an RSA public key
* \param mode RSA_PUBLIC or RSA_PRIVATE
* \param hash_id SIG_RSA_RAW, SIG_RSA_MD{2,4,5} or SIG_RSA_SHA{1,224,256,384,512}
* \param hashlen message digest length (for SIG_RSA_RAW only)
* \param hash buffer holding the message digest
* \param sig buffer holding the ciphertext
*
* \return 0 if the verify operation was successful,
* or an POLARSSL_ERR_RSA_XXX error code
*
* \note The "sig" buffer must be as large as the size
* of ctx->N (eg. 128 bytes if RSA-1024 is used).
*
* \note In case of PKCS#1 v2.1 encoding keep in mind that
* the hash_id in the RSA context is the one used for the
* verification. hash_id in the function call is the type of hash
* that is verified. According to RFC 3447 it is advised to
* keep both hashes the same.
*/
int rsa_rsassa_pss_verify( rsa_context *ctx,
int mode,
int hash_id,
unsigned int hashlen,
const unsigned char *hash,
unsigned char *sig );
/**
* \brief Free the components of an RSA key
*
* \param ctx RSA Context to free
*/
void rsa_free( rsa_context *ctx );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int rsa_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* rsa.h */

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/**
* \file sha1.h
*
* \brief SHA-1 cryptographic hash function
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_SHA1_H
#define POLARSSL_SHA1_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_SHA1_FILE_IO_ERROR -0x0076 /**< Read/write error in file. */
#if !defined(POLARSSL_SHA1_ALT)
// Regular implementation
//
/**
* \brief SHA-1 context structure
*/
typedef struct
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[5]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
unsigned char ipad[64]; /*!< HMAC: inner padding */
unsigned char opad[64]; /*!< HMAC: outer padding */
}
sha1_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief SHA-1 context setup
*
* \param ctx context to be initialized
*/
void sha1_starts( sha1_context *ctx );
/**
* \brief SHA-1 process buffer
*
* \param ctx SHA-1 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha1_update( sha1_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-1 final digest
*
* \param ctx SHA-1 context
* \param output SHA-1 checksum result
*/
void sha1_finish( sha1_context *ctx, unsigned char output[20] );
/* Internal use */
void sha1_process( sha1_context *ctx, const unsigned char data[64] );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_SHA1_ALT */
#include "sha1_alt.h"
#endif /* POLARSSL_SHA1_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = SHA-1( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-1 checksum result
*/
void sha1( const unsigned char *input, size_t ilen, unsigned char output[20] );
/**
* \brief Output = SHA-1( file contents )
*
* \param path input file name
* \param output SHA-1 checksum result
*
* \return 0 if successful, or POLARSSL_ERR_SHA1_FILE_IO_ERROR
*/
int sha1_file( const char *path, unsigned char output[20] );
/**
* \brief SHA-1 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
*/
void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, size_t keylen );
/**
* \brief SHA-1 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-1 HMAC final digest
*
* \param ctx HMAC context
* \param output SHA-1 HMAC checksum result
*/
void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] );
/**
* \brief SHA-1 HMAC context reset
*
* \param ctx HMAC context to be reset
*/
void sha1_hmac_reset( sha1_context *ctx );
/**
* \brief Output = HMAC-SHA-1( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-SHA-1 result
*/
void sha1_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[20] );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int sha1_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* sha1.h */

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/**
* \file sha2.h
*
* \brief SHA-224 and SHA-256 cryptographic hash function
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_SHA2_H
#define POLARSSL_SHA2_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_SHA2_FILE_IO_ERROR -0x0078 /**< Read/write error in file. */
#if !defined(POLARSSL_SHA2_ALT)
// Regular implementation
//
/**
* \brief SHA-256 context structure
*/
typedef struct
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[8]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
unsigned char ipad[64]; /*!< HMAC: inner padding */
unsigned char opad[64]; /*!< HMAC: outer padding */
int is224; /*!< 0 => SHA-256, else SHA-224 */
}
sha2_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief SHA-256 context setup
*
* \param ctx context to be initialized
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2_starts( sha2_context *ctx, int is224 );
/**
* \brief SHA-256 process buffer
*
* \param ctx SHA-256 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha2_update( sha2_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-256 final digest
*
* \param ctx SHA-256 context
* \param output SHA-224/256 checksum result
*/
void sha2_finish( sha2_context *ctx, unsigned char output[32] );
/* Internal use */
void sha2_process( sha2_context *ctx, const unsigned char data[64] );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_SHA2_ALT */
#include "sha2_alt.h"
#endif /* POLARSSL_SHA2_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = SHA-256( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-224/256 checksum result
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2( const unsigned char *input, size_t ilen,
unsigned char output[32], int is224 );
/**
* \brief Output = SHA-256( file contents )
*
* \param path input file name
* \param output SHA-224/256 checksum result
* \param is224 0 = use SHA256, 1 = use SHA224
*
* \return 0 if successful, or POLARSSL_ERR_SHA2_FILE_IO_ERROR
*/
int sha2_file( const char *path, unsigned char output[32], int is224 );
/**
* \brief SHA-256 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2_hmac_starts( sha2_context *ctx, const unsigned char *key, size_t keylen,
int is224 );
/**
* \brief SHA-256 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha2_hmac_update( sha2_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-256 HMAC final digest
*
* \param ctx HMAC context
* \param output SHA-224/256 HMAC checksum result
*/
void sha2_hmac_finish( sha2_context *ctx, unsigned char output[32] );
/**
* \brief SHA-256 HMAC context reset
*
* \param ctx HMAC context to be reset
*/
void sha2_hmac_reset( sha2_context *ctx );
/**
* \brief Output = HMAC-SHA-256( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-SHA-224/256 result
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[32], int is224 );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int sha2_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* sha2.h */

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/**
* \file sha4.h
*
* \brief SHA-384 and SHA-512 cryptographic hash function
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_SHA4_H
#define POLARSSL_SHA4_H
#include "config.h"
#include <string.h>
#if defined(_MSC_VER) || defined(__WATCOMC__)
#define UL64(x) x##ui64
typedef unsigned __int64 uint64_t;
#else
#include <inttypes.h>
#define UL64(x) x##ULL
#endif
#define POLARSSL_ERR_SHA4_FILE_IO_ERROR -0x007A /**< Read/write error in file. */
#if !defined(POLARSSL_SHA1_ALT)
// Regular implementation
//
/**
* \brief SHA-512 context structure
*/
typedef struct
{
uint64_t total[2]; /*!< number of bytes processed */
uint64_t state[8]; /*!< intermediate digest state */
unsigned char buffer[128]; /*!< data block being processed */
unsigned char ipad[128]; /*!< HMAC: inner padding */
unsigned char opad[128]; /*!< HMAC: outer padding */
int is384; /*!< 0 => SHA-512, else SHA-384 */
}
sha4_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief SHA-512 context setup
*
* \param ctx context to be initialized
* \param is384 0 = use SHA512, 1 = use SHA384
*/
void sha4_starts( sha4_context *ctx, int is384 );
/**
* \brief SHA-512 process buffer
*
* \param ctx SHA-512 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha4_update( sha4_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-512 final digest
*
* \param ctx SHA-512 context
* \param output SHA-384/512 checksum result
*/
void sha4_finish( sha4_context *ctx, unsigned char output[64] );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_SHA4_ALT */
#include "sha4_alt.h"
#endif /* POLARSSL_SHA4_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = SHA-512( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-384/512 checksum result
* \param is384 0 = use SHA512, 1 = use SHA384
*/
void sha4( const unsigned char *input, size_t ilen,
unsigned char output[64], int is384 );
/**
* \brief Output = SHA-512( file contents )
*
* \param path input file name
* \param output SHA-384/512 checksum result
* \param is384 0 = use SHA512, 1 = use SHA384
*
* \return 0 if successful, or POLARSSL_ERR_SHA4_FILE_IO_ERROR
*/
int sha4_file( const char *path, unsigned char output[64], int is384 );
/**
* \brief SHA-512 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param is384 0 = use SHA512, 1 = use SHA384
* \param key HMAC secret key
* \param keylen length of the HMAC key
*/
void sha4_hmac_starts( sha4_context *ctx, const unsigned char *key, size_t keylen,
int is384 );
/**
* \brief SHA-512 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha4_hmac_update( sha4_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-512 HMAC final digest
*
* \param ctx HMAC context
* \param output SHA-384/512 HMAC checksum result
*/
void sha4_hmac_finish( sha4_context *ctx, unsigned char output[64] );
/**
* \brief SHA-512 HMAC context reset
*
* \param ctx HMAC context to be reset
*/
void sha4_hmac_reset( sha4_context *ctx );
/**
* \brief Output = HMAC-SHA-512( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-SHA-384/512 result
* \param is384 0 = use SHA512, 1 = use SHA384
*/
void sha4_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[64], int is384 );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int sha4_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* sha4.h */

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/**
* \file ssl_cache.h
*
* \brief SSL session cache implementation
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_SSL_CACHE_H
#define POLARSSL_SSL_CACHE_H
#include "ssl.h"
#if !defined(POLARSSL_CONFIG_OPTIONS)
#define SSL_CACHE_DEFAULT_TIMEOUT 86400 /*!< 1 day */
#define SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /*!< Maximum entries in cache */
#endif /* !POLARSSL_CONFIG_OPTIONS */
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _ssl_cache_context ssl_cache_context;
typedef struct _ssl_cache_entry ssl_cache_entry;
/**
* \brief This structure is used for storing cache entries
*/
struct _ssl_cache_entry
{
time_t timestamp; /*!< entry timestamp */
ssl_session session; /*!< entry session */
x509_buf peer_cert; /*!< entry peer_cert */
ssl_cache_entry *next; /*!< chain pointer */
};
/**
* \brief Cache context
*/
struct _ssl_cache_context
{
ssl_cache_entry *chain; /*!< start of the chain */
int timeout; /*!< cache entry timeout */
int max_entries; /*!< maximum entries */
};
/**
* \brief Initialize an SSL cache context
*
* \param cache SSL cache context
*/
void ssl_cache_init( ssl_cache_context *cache );
/**
* \brief Cache get callback implementation
*
* \param data SSL cache context
* \param session session to retrieve entry for
*/
int ssl_cache_get( void *data, ssl_session *session );
/**
* \brief Cache set callback implementation
*
* \param data SSL cache context
* \param session session to store entry for
*/
int ssl_cache_set( void *data, const ssl_session *session );
/**
* \brief Set the cache timeout
* (Default: SSL_CACHE_DEFAULT_TIMEOUT (1 day))
*
* A timeout of 0 indicates no timeout.
*
* \param cache SSL cache context
* \param timeout cache entry timeout
*/
void ssl_cache_set_timeout( ssl_cache_context *cache, int timeout );
/**
* \brief Set the cache timeout
* (Default: SSL_CACHE_DEFAULT_MAX_ENTRIES (50))
*
* \param cache SSL cache context
* \param max cache entry maximum
*/
void ssl_cache_set_max_entries( ssl_cache_context *cache, int max );
/**
* \brief Free referenced items in a cache context and clear memory
*
* \param cache SSL cache context
*/
void ssl_cache_free( ssl_cache_context *cache );
#ifdef __cplusplus
}
#endif
#endif /* ssl_cache.h */

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/**
* \file timing.h
*
* \brief Portable interface to the CPU cycle counter
*
* Copyright (C) 2006-2010, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_TIMING_H
#define POLARSSL_TIMING_H
/**
* \brief timer structure
*/
struct hr_time
{
unsigned char opaque[32];
};
#ifdef __cplusplus
extern "C" {
#endif
extern volatile int alarmed;
/**
* \brief Return the CPU cycle counter value
*/
unsigned long hardclock( void );
/**
* \brief Return the elapsed time in milliseconds
*
* \param val points to a timer structure
* \param reset if set to 1, the timer is restarted
*/
unsigned long get_timer( struct hr_time *val, int reset );
/**
* \brief Setup an alarm clock
*
* \param seconds delay before the "alarmed" flag is set
*/
void set_alarm( int seconds );
/**
* \brief Sleep for a certain amount of time
*
* \param milliseconds delay in milliseconds
*/
void m_sleep( int milliseconds );
#ifdef __cplusplus
}
#endif
#endif /* timing.h */

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/**
* \file version.h
*
* \brief Run-time version information
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* This set of compile-time defines and run-time variables can be used to
* determine the version number of the PolarSSL library used.
*/
#ifndef POLARSSL_VERSION_H
#define POLARSSL_VERSION_H
#include "config.h"
/**
* The version number x.y.z is split into three parts.
* Major, Minor, Patchlevel
*/
#define POLARSSL_VERSION_MAJOR 1
#define POLARSSL_VERSION_MINOR 2
#define POLARSSL_VERSION_PATCH 8
/**
* The single version number has the following structure:
* MMNNPP00
* Major version | Minor version | Patch version
*/
#define POLARSSL_VERSION_NUMBER 0x01020800
#define POLARSSL_VERSION_STRING "1.2.8"
#define POLARSSL_VERSION_STRING_FULL "PolarSSL 1.2.8"
#if defined(POLARSSL_VERSION_C)
/**
* Get the version number.
*
* \return The constructed version number in the format
* MMNNPP00 (Major, Minor, Patch).
*/
unsigned int version_get_number( void );
/**
* Get the version string ("x.y.z").
*
* \param string The string that will receive the value.
* (Should be at least 9 bytes in size)
*/
void version_get_string( char *string );
/**
* Get the full version string ("PolarSSL x.y.z").
*
* \param string The string that will receive the value.
* (Should be at least 18 bytes in size)
*/
void version_get_string_full( char *string );
#endif /* POLARSSL_VERSION_C */
#endif /* version.h */

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/**
* \file x509.h
*
* \brief X.509 certificate and private key decoding
*
* Copyright (C) 2006-2011, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_X509_H
#define POLARSSL_X509_H
#include "asn1.h"
#include "rsa.h"
#include "dhm.h"
/**
* \addtogroup x509_module
* \{
*/
/**
* \name X509 Error codes
* \{
*/
#define POLARSSL_ERR_X509_FEATURE_UNAVAILABLE -0x2080 /**< Unavailable feature, e.g. RSA hashing/encryption combination. */
#define POLARSSL_ERR_X509_CERT_INVALID_PEM -0x2100 /**< The PEM-encoded certificate contains invalid elements, e.g. invalid character. */
#define POLARSSL_ERR_X509_CERT_INVALID_FORMAT -0x2180 /**< The certificate format is invalid, e.g. different type expected. */
#define POLARSSL_ERR_X509_CERT_INVALID_VERSION -0x2200 /**< The certificate version element is invalid. */
#define POLARSSL_ERR_X509_CERT_INVALID_SERIAL -0x2280 /**< The serial tag or value is invalid. */
#define POLARSSL_ERR_X509_CERT_INVALID_ALG -0x2300 /**< The algorithm tag or value is invalid. */
#define POLARSSL_ERR_X509_CERT_INVALID_NAME -0x2380 /**< The name tag or value is invalid. */
#define POLARSSL_ERR_X509_CERT_INVALID_DATE -0x2400 /**< The date tag or value is invalid. */
#define POLARSSL_ERR_X509_CERT_INVALID_PUBKEY -0x2480 /**< The pubkey tag or value is invalid (only RSA is supported). */
#define POLARSSL_ERR_X509_CERT_INVALID_SIGNATURE -0x2500 /**< The signature tag or value invalid. */
#define POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS -0x2580 /**< The extension tag or value is invalid. */
#define POLARSSL_ERR_X509_CERT_UNKNOWN_VERSION -0x2600 /**< Certificate or CRL has an unsupported version number. */
#define POLARSSL_ERR_X509_CERT_UNKNOWN_SIG_ALG -0x2680 /**< Signature algorithm (oid) is unsupported. */
#define POLARSSL_ERR_X509_UNKNOWN_PK_ALG -0x2700 /**< Key algorithm is unsupported (only RSA is supported). */
#define POLARSSL_ERR_X509_CERT_SIG_MISMATCH -0x2780 /**< Certificate signature algorithms do not match. (see \c ::x509_cert sig_oid) */
#define POLARSSL_ERR_X509_CERT_VERIFY_FAILED -0x2800 /**< Certificate verification failed, e.g. CRL, CA or signature check failed. */
#define POLARSSL_ERR_X509_KEY_INVALID_VERSION -0x2880 /**< Unsupported RSA key version */
#define POLARSSL_ERR_X509_KEY_INVALID_FORMAT -0x2900 /**< Invalid RSA key tag or value. */
#define POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT -0x2980 /**< Format not recognized as DER or PEM. */
#define POLARSSL_ERR_X509_INVALID_INPUT -0x2A00 /**< Input invalid. */
#define POLARSSL_ERR_X509_MALLOC_FAILED -0x2A80 /**< Allocation of memory failed. */
#define POLARSSL_ERR_X509_FILE_IO_ERROR -0x2B00 /**< Read/write of file failed. */
#define POLARSSL_ERR_X509_PASSWORD_REQUIRED -0x2B80 /**< Private key password can't be empty. */
#define POLARSSL_ERR_X509_PASSWORD_MISMATCH -0x2C00 /**< Given private key password does not allow for correct decryption. */
/* \} name */
/**
* \name X509 Verify codes
* \{
*/
#define BADCERT_EXPIRED 0x01 /**< The certificate validity has expired. */
#define BADCERT_REVOKED 0x02 /**< The certificate has been revoked (is on a CRL). */
#define BADCERT_CN_MISMATCH 0x04 /**< The certificate Common Name (CN) does not match with the expected CN. */
#define BADCERT_NOT_TRUSTED 0x08 /**< The certificate is not correctly signed by the trusted CA. */
#define BADCRL_NOT_TRUSTED 0x10 /**< CRL is not correctly signed by the trusted CA. */
#define BADCRL_EXPIRED 0x20 /**< CRL is expired. */
#define BADCERT_MISSING 0x40 /**< Certificate was missing. */
#define BADCERT_SKIP_VERIFY 0x80 /**< Certificate verification was skipped. */
#define BADCERT_OTHER 0x0100 /**< Other reason (can be used by verify callback) */
/* \} name */
/* \} addtogroup x509_module */
/*
* various object identifiers
*/
#define X520_COMMON_NAME 3
#define X520_COUNTRY 6
#define X520_LOCALITY 7
#define X520_STATE 8
#define X520_ORGANIZATION 10
#define X520_ORG_UNIT 11
#define PKCS9_EMAIL 1
#define X509_OUTPUT_DER 0x01
#define X509_OUTPUT_PEM 0x02
#define PEM_LINE_LENGTH 72
#define X509_ISSUER 0x01
#define X509_SUBJECT 0x02
#define OID_X520 "\x55\x04"
#define OID_CN OID_X520 "\x03"
#define OID_COUNTRY OID_X520 "\x06"
#define OID_LOCALITY OID_X520 "\x07"
#define OID_STATE OID_X520 "\x08"
#define OID_ORGANIZATION OID_X520 "\x0A"
#define OID_ORG_UNIT OID_X520 "\x0B"
#define OID_PKCS1 "\x2A\x86\x48\x86\xF7\x0D\x01\x01"
#define OID_PKCS1_RSA OID_PKCS1 "\x01"
#define OID_PKCS1_SHA1 OID_PKCS1 "\x05"
#define OID_RSA_SHA_OBS "\x2B\x0E\x03\x02\x1D"
#define OID_PKCS9 "\x2A\x86\x48\x86\xF7\x0D\x01\x09"
#define OID_PKCS9_EMAIL OID_PKCS9 "\x01"
/** ISO arc for standard certificate and CRL extensions */
#define OID_ID_CE "\x55\x1D" /**< id-ce OBJECT IDENTIFIER ::= {joint-iso-ccitt(2) ds(5) 29} */
/**
* Private Internet Extensions
* { iso(1) identified-organization(3) dod(6) internet(1)
* security(5) mechanisms(5) pkix(7) }
*/
#define OID_PKIX "\x2B\x06\x01\x05\x05\x07"
/*
* OIDs for standard certificate extensions
*/
#define OID_AUTHORITY_KEY_IDENTIFIER OID_ID_CE "\x23" /**< id-ce-authorityKeyIdentifier OBJECT IDENTIFIER ::= { id-ce 35 } */
#define OID_SUBJECT_KEY_IDENTIFIER OID_ID_CE "\x0E" /**< id-ce-subjectKeyIdentifier OBJECT IDENTIFIER ::= { id-ce 14 } */
#define OID_KEY_USAGE OID_ID_CE "\x0F" /**< id-ce-keyUsage OBJECT IDENTIFIER ::= { id-ce 15 } */
#define OID_CERTIFICATE_POLICIES OID_ID_CE "\x20" /**< id-ce-certificatePolicies OBJECT IDENTIFIER ::= { id-ce 32 } */
#define OID_POLICY_MAPPINGS OID_ID_CE "\x21" /**< id-ce-policyMappings OBJECT IDENTIFIER ::= { id-ce 33 } */
#define OID_SUBJECT_ALT_NAME OID_ID_CE "\x11" /**< id-ce-subjectAltName OBJECT IDENTIFIER ::= { id-ce 17 } */
#define OID_ISSUER_ALT_NAME OID_ID_CE "\x12" /**< id-ce-issuerAltName OBJECT IDENTIFIER ::= { id-ce 18 } */
#define OID_SUBJECT_DIRECTORY_ATTRS OID_ID_CE "\x09" /**< id-ce-subjectDirectoryAttributes OBJECT IDENTIFIER ::= { id-ce 9 } */
#define OID_BASIC_CONSTRAINTS OID_ID_CE "\x13" /**< id-ce-basicConstraints OBJECT IDENTIFIER ::= { id-ce 19 } */
#define OID_NAME_CONSTRAINTS OID_ID_CE "\x1E" /**< id-ce-nameConstraints OBJECT IDENTIFIER ::= { id-ce 30 } */
#define OID_POLICY_CONSTRAINTS OID_ID_CE "\x24" /**< id-ce-policyConstraints OBJECT IDENTIFIER ::= { id-ce 36 } */
#define OID_EXTENDED_KEY_USAGE OID_ID_CE "\x25" /**< id-ce-extKeyUsage OBJECT IDENTIFIER ::= { id-ce 37 } */
#define OID_CRL_DISTRIBUTION_POINTS OID_ID_CE "\x1F" /**< id-ce-cRLDistributionPoints OBJECT IDENTIFIER ::= { id-ce 31 } */
#define OID_INIHIBIT_ANYPOLICY OID_ID_CE "\x36" /**< id-ce-inhibitAnyPolicy OBJECT IDENTIFIER ::= { id-ce 54 } */
#define OID_FRESHEST_CRL OID_ID_CE "\x2E" /**< id-ce-freshestCRL OBJECT IDENTIFIER ::= { id-ce 46 } */
/*
* X.509 v3 Key Usage Extension flags
*/
#define KU_DIGITAL_SIGNATURE (0x80) /* bit 0 */
#define KU_NON_REPUDIATION (0x40) /* bit 1 */
#define KU_KEY_ENCIPHERMENT (0x20) /* bit 2 */
#define KU_DATA_ENCIPHERMENT (0x10) /* bit 3 */
#define KU_KEY_AGREEMENT (0x08) /* bit 4 */
#define KU_KEY_CERT_SIGN (0x04) /* bit 5 */
#define KU_CRL_SIGN (0x02) /* bit 6 */
/*
* X.509 v3 Extended key usage OIDs
*/
#define OID_ANY_EXTENDED_KEY_USAGE OID_EXTENDED_KEY_USAGE "\x00" /**< anyExtendedKeyUsage OBJECT IDENTIFIER ::= { id-ce-extKeyUsage 0 } */
#define OID_KP OID_PKIX "\x03" /**< id-kp OBJECT IDENTIFIER ::= { id-pkix 3 } */
#define OID_SERVER_AUTH OID_KP "\x01" /**< id-kp-serverAuth OBJECT IDENTIFIER ::= { id-kp 1 } */
#define OID_CLIENT_AUTH OID_KP "\x02" /**< id-kp-clientAuth OBJECT IDENTIFIER ::= { id-kp 2 } */
#define OID_CODE_SIGNING OID_KP "\x03" /**< id-kp-codeSigning OBJECT IDENTIFIER ::= { id-kp 3 } */
#define OID_EMAIL_PROTECTION OID_KP "\x04" /**< id-kp-emailProtection OBJECT IDENTIFIER ::= { id-kp 4 } */
#define OID_TIME_STAMPING OID_KP "\x08" /**< id-kp-timeStamping OBJECT IDENTIFIER ::= { id-kp 8 } */
#define OID_OCSP_SIGNING OID_KP "\x09" /**< id-kp-OCSPSigning OBJECT IDENTIFIER ::= { id-kp 9 } */
#define STRING_SERVER_AUTH "TLS Web Server Authentication"
#define STRING_CLIENT_AUTH "TLS Web Client Authentication"
#define STRING_CODE_SIGNING "Code Signing"
#define STRING_EMAIL_PROTECTION "E-mail Protection"
#define STRING_TIME_STAMPING "Time Stamping"
#define STRING_OCSP_SIGNING "OCSP Signing"
/*
* OIDs for CRL extensions
*/
#define OID_PRIVATE_KEY_USAGE_PERIOD OID_ID_CE "\x10"
#define OID_CRL_NUMBER OID_ID_CE "\x14" /**< id-ce-cRLNumber OBJECT IDENTIFIER ::= { id-ce 20 } */
/*
* Netscape certificate extensions
*/
#define OID_NETSCAPE "\x60\x86\x48\x01\x86\xF8\x42" /**< Netscape OID */
#define OID_NS_CERT OID_NETSCAPE "\x01"
#define OID_NS_CERT_TYPE OID_NS_CERT "\x01"
#define OID_NS_BASE_URL OID_NS_CERT "\x02"
#define OID_NS_REVOCATION_URL OID_NS_CERT "\x03"
#define OID_NS_CA_REVOCATION_URL OID_NS_CERT "\x04"
#define OID_NS_RENEWAL_URL OID_NS_CERT "\x07"
#define OID_NS_CA_POLICY_URL OID_NS_CERT "\x08"
#define OID_NS_SSL_SERVER_NAME OID_NS_CERT "\x0C"
#define OID_NS_COMMENT OID_NS_CERT "\x0D"
#define OID_NS_DATA_TYPE OID_NETSCAPE "\x02"
#define OID_NS_CERT_SEQUENCE OID_NS_DATA_TYPE "\x05"
/*
* Netscape certificate types
* (http://www.mozilla.org/projects/security/pki/nss/tech-notes/tn3.html)
*/
#define NS_CERT_TYPE_SSL_CLIENT (0x80) /* bit 0 */
#define NS_CERT_TYPE_SSL_SERVER (0x40) /* bit 1 */
#define NS_CERT_TYPE_EMAIL (0x20) /* bit 2 */
#define NS_CERT_TYPE_OBJECT_SIGNING (0x10) /* bit 3 */
#define NS_CERT_TYPE_RESERVED (0x08) /* bit 4 */
#define NS_CERT_TYPE_SSL_CA (0x04) /* bit 5 */
#define NS_CERT_TYPE_EMAIL_CA (0x02) /* bit 6 */
#define NS_CERT_TYPE_OBJECT_SIGNING_CA (0x01) /* bit 7 */
#define EXT_AUTHORITY_KEY_IDENTIFIER (1 << 0)
#define EXT_SUBJECT_KEY_IDENTIFIER (1 << 1)
#define EXT_KEY_USAGE (1 << 2)
#define EXT_CERTIFICATE_POLICIES (1 << 3)
#define EXT_POLICY_MAPPINGS (1 << 4)
#define EXT_SUBJECT_ALT_NAME (1 << 5)
#define EXT_ISSUER_ALT_NAME (1 << 6)
#define EXT_SUBJECT_DIRECTORY_ATTRS (1 << 7)
#define EXT_BASIC_CONSTRAINTS (1 << 8)
#define EXT_NAME_CONSTRAINTS (1 << 9)
#define EXT_POLICY_CONSTRAINTS (1 << 10)
#define EXT_EXTENDED_KEY_USAGE (1 << 11)
#define EXT_CRL_DISTRIBUTION_POINTS (1 << 12)
#define EXT_INIHIBIT_ANYPOLICY (1 << 13)
#define EXT_FRESHEST_CRL (1 << 14)
#define EXT_NS_CERT_TYPE (1 << 16)
/*
* Storage format identifiers
* Recognized formats: PEM and DER
*/
#define X509_FORMAT_DER 1
#define X509_FORMAT_PEM 2
/**
* \addtogroup x509_module
* \{ */
/**
* \name Structures for parsing X.509 certificates and CRLs
* \{
*/
/**
* Type-length-value structure that allows for ASN1 using DER.
*/
typedef asn1_buf x509_buf;
/**
* Container for ASN1 bit strings.
*/
typedef asn1_bitstring x509_bitstring;
/**
* Container for ASN1 named information objects.
* It allows for Relative Distinguished Names (e.g. cn=polarssl,ou=code,etc.).
*/
typedef struct _x509_name
{
x509_buf oid; /**< The object identifier. */
x509_buf val; /**< The named value. */
struct _x509_name *next; /**< The next named information object. */
}
x509_name;
/**
* Container for a sequence of ASN.1 items
*/
typedef asn1_sequence x509_sequence;
/** Container for date and time (precision in seconds). */
typedef struct _x509_time
{
int year, mon, day; /**< Date. */
int hour, min, sec; /**< Time. */
}
x509_time;
/**
* Container for an X.509 certificate. The certificate may be chained.
*/
typedef struct _x509_cert
{
x509_buf raw; /**< The raw certificate data (DER). */
x509_buf tbs; /**< The raw certificate body (DER). The part that is To Be Signed. */
int version; /**< The X.509 version. (0=v1, 1=v2, 2=v3) */
x509_buf serial; /**< Unique id for certificate issued by a specific CA. */
x509_buf sig_oid1; /**< Signature algorithm, e.g. sha1RSA */
x509_buf issuer_raw; /**< The raw issuer data (DER). Used for quick comparison. */
x509_buf subject_raw; /**< The raw subject data (DER). Used for quick comparison. */
x509_name issuer; /**< The parsed issuer data (named information object). */
x509_name subject; /**< The parsed subject data (named information object). */
x509_time valid_from; /**< Start time of certificate validity. */
x509_time valid_to; /**< End time of certificate validity. */
x509_buf pk_oid; /**< Subject public key info. Includes the public key algorithm and the key itself. */
rsa_context rsa; /**< Container for the RSA context. Only RSA is supported for public keys at this time. */
x509_buf issuer_id; /**< Optional X.509 v2/v3 issuer unique identifier. */
x509_buf subject_id; /**< Optional X.509 v2/v3 subject unique identifier. */
x509_buf v3_ext; /**< Optional X.509 v3 extensions. Only Basic Contraints are supported at this time. */
x509_sequence subject_alt_names; /**< Optional list of Subject Alternative Names (Only dNSName supported). */
int ext_types; /**< Bit string containing detected and parsed extensions */
int ca_istrue; /**< Optional Basic Constraint extension value: 1 if this certificate belongs to a CA, 0 otherwise. */
int max_pathlen; /**< Optional Basic Constraint extension value: The maximum path length to the root certificate. Path length is 1 higher than RFC 5280 'meaning', so 1+ */
unsigned char key_usage; /**< Optional key usage extension value: See the values below */
x509_sequence ext_key_usage; /**< Optional list of extended key usage OIDs. */
unsigned char ns_cert_type; /**< Optional Netscape certificate type extension value: See the values below */
x509_buf sig_oid2; /**< Signature algorithm. Must match sig_oid1. */
x509_buf sig; /**< Signature: hash of the tbs part signed with the private key. */
int sig_alg; /**< Internal representation of the signature algorithm, e.g. SIG_RSA_MD2 */
struct _x509_cert *next; /**< Next certificate in the CA-chain. */
}
x509_cert;
/**
* Certificate revocation list entry.
* Contains the CA-specific serial numbers and revocation dates.
*/
typedef struct _x509_crl_entry
{
x509_buf raw;
x509_buf serial;
x509_time revocation_date;
x509_buf entry_ext;
struct _x509_crl_entry *next;
}
x509_crl_entry;
/**
* Certificate revocation list structure.
* Every CRL may have multiple entries.
*/
typedef struct _x509_crl
{
x509_buf raw; /**< The raw certificate data (DER). */
x509_buf tbs; /**< The raw certificate body (DER). The part that is To Be Signed. */
int version;
x509_buf sig_oid1;
x509_buf issuer_raw; /**< The raw issuer data (DER). */
x509_name issuer; /**< The parsed issuer data (named information object). */
x509_time this_update;
x509_time next_update;
x509_crl_entry entry; /**< The CRL entries containing the certificate revocation times for this CA. */
x509_buf crl_ext;
x509_buf sig_oid2;
x509_buf sig;
int sig_alg;
struct _x509_crl *next;
}
x509_crl;
/** \} name Structures for parsing X.509 certificates and CRLs */
/** \} addtogroup x509_module */
/**
* \name Structures for writing X.509 certificates.
* XvP: commented out as they are not used.
* - <tt>typedef struct _x509_node x509_node;</tt>
* - <tt>typedef struct _x509_raw x509_raw;</tt>
*/
/*
typedef struct _x509_node
{
unsigned char *data;
unsigned char *p;
unsigned char *end;
size_t len;
}
x509_node;
typedef struct _x509_raw
{
x509_node raw;
x509_node tbs;
x509_node version;
x509_node serial;
x509_node tbs_signalg;
x509_node issuer;
x509_node validity;
x509_node subject;
x509_node subpubkey;
x509_node signalg;
x509_node sign;
}
x509_raw;
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name Functions to read in DHM parameters, a certificate, CRL or private RSA key
* \{
*/
/** \ingroup x509_module */
/**
* \brief Parse a single DER formatted certificate and add it
* to the chained list.
*
* \param chain points to the start of the chain
* \param buf buffer holding the certificate DER data
* \param buflen size of the buffer
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_crt_der( x509_cert *chain, const unsigned char *buf, size_t buflen );
/**
* \brief Parse one or more certificates and add them
* to the chained list. Parses permissively. If some
* certificates can be parsed, the result is the number
* of failed certificates it encountered. If none complete
* correctly, the first error is returned.
*
* \param chain points to the start of the chain
* \param buf buffer holding the certificate data
* \param buflen size of the buffer
*
* \return 0 if all certificates parsed successfully, a positive number
* if partly successful or a specific X509 or PEM error code
*/
int x509parse_crt( x509_cert *chain, const unsigned char *buf, size_t buflen );
/** \ingroup x509_module */
/**
* \brief Load one or more certificates and add them
* to the chained list. Parses permissively. If some
* certificates can be parsed, the result is the number
* of failed certificates it encountered. If none complete
* correctly, the first error is returned.
*
* \param chain points to the start of the chain
* \param path filename to read the certificates from
*
* \return 0 if all certificates parsed successfully, a positive number
* if partly successful or a specific X509 or PEM error code
*/
int x509parse_crtfile( x509_cert *chain, const char *path );
/** \ingroup x509_module */
/**
* \brief Load one or more certificate files from a path and add them
* to the chained list. Parses permissively. If some
* certificates can be parsed, the result is the number
* of failed certificates it encountered. If none complete
* correctly, the first error is returned.
*
* \param chain points to the start of the chain
* \param path directory / folder to read the certificate files from
*
* \return 0 if all certificates parsed successfully, a positive number
* if partly successful or a specific X509 or PEM error code
*/
int x509parse_crtpath( x509_cert *chain, const char *path );
/** \ingroup x509_module */
/**
* \brief Parse one or more CRLs and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param buf buffer holding the CRL data
* \param buflen size of the buffer
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_crl( x509_crl *chain, const unsigned char *buf, size_t buflen );
/** \ingroup x509_module */
/**
* \brief Load one or more CRLs and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param path filename to read the CRLs from
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_crlfile( x509_crl *chain, const char *path );
/** \ingroup x509_module */
/**
* \brief Parse a private RSA key
*
* \param rsa RSA context to be initialized
* \param key input buffer
* \param keylen size of the buffer
* \param pwd password for decryption (optional)
* \param pwdlen size of the password
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_key( rsa_context *rsa,
const unsigned char *key, size_t keylen,
const unsigned char *pwd, size_t pwdlen );
/** \ingroup x509_module */
/**
* \brief Load and parse a private RSA key
*
* \param rsa RSA context to be initialized
* \param path filename to read the private key from
* \param password password to decrypt the file (can be NULL)
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_keyfile( rsa_context *rsa, const char *path,
const char *password );
/** \ingroup x509_module */
/**
* \brief Parse a public RSA key
*
* \param rsa RSA context to be initialized
* \param key input buffer
* \param keylen size of the buffer
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_public_key( rsa_context *rsa,
const unsigned char *key, size_t keylen );
/** \ingroup x509_module */
/**
* \brief Load and parse a public RSA key
*
* \param rsa RSA context to be initialized
* \param path filename to read the private key from
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_public_keyfile( rsa_context *rsa, const char *path );
/** \ingroup x509_module */
/**
* \brief Parse DHM parameters
*
* \param dhm DHM context to be initialized
* \param dhmin input buffer
* \param dhminlen size of the buffer
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_dhm( dhm_context *dhm, const unsigned char *dhmin, size_t dhminlen );
/** \ingroup x509_module */
/**
* \brief Load and parse DHM parameters
*
* \param dhm DHM context to be initialized
* \param path filename to read the DHM Parameters from
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_dhmfile( dhm_context *dhm, const char *path );
/** \} name Functions to read in DHM parameters, a certificate, CRL or private RSA key */
/**
* \brief Store the certificate DN in printable form into buf;
* no more than size characters will be written.
*
* \param buf Buffer to write to
* \param size Maximum size of buffer
* \param dn The X509 name to represent
*
* \return The amount of data written to the buffer, or -1 in
* case of an error.
*/
int x509parse_dn_gets( char *buf, size_t size, const x509_name *dn );
/**
* \brief Store the certificate serial in printable form into buf;
* no more than size characters will be written.
*
* \param buf Buffer to write to
* \param size Maximum size of buffer
* \param serial The X509 serial to represent
*
* \return The amount of data written to the buffer, or -1 in
* case of an error.
*/
int x509parse_serial_gets( char *buf, size_t size, const x509_buf *serial );
/**
* \brief Returns an informational string about the
* certificate.
*
* \param buf Buffer to write to
* \param size Maximum size of buffer
* \param prefix A line prefix
* \param crt The X509 certificate to represent
*
* \return The amount of data written to the buffer, or -1 in
* case of an error.
*/
int x509parse_cert_info( char *buf, size_t size, const char *prefix,
const x509_cert *crt );
/**
* \brief Returns an informational string about the
* CRL.
*
* \param buf Buffer to write to
* \param size Maximum size of buffer
* \param prefix A line prefix
* \param crl The X509 CRL to represent
*
* \return The amount of data written to the buffer, or -1 in
* case of an error.
*/
int x509parse_crl_info( char *buf, size_t size, const char *prefix,
const x509_crl *crl );
/**
* \brief Give an known OID, return its descriptive string.
*
* \param oid buffer containing the oid
*
* \return Return a string if the OID is known,
* or NULL otherwise.
*/
const char *x509_oid_get_description( x509_buf *oid );
/**
* \brief Give an OID, return a string version of its OID number.
*
* \param buf Buffer to write to
* \param size Maximum size of buffer
* \param oid Buffer containing the OID
*
* \return The amount of data written to the buffer, or -1 in
* case of an error.
*/
int x509_oid_get_numeric_string( char *buf, size_t size, x509_buf *oid );
/**
* \brief Check a given x509_time against the system time and check
* if it is valid.
*
* \param time x509_time to check
*
* \return Return 0 if the x509_time is still valid,
* or 1 otherwise.
*/
int x509parse_time_expired( const x509_time *time );
/**
* \name Functions to verify a certificate
* \{
*/
/** \ingroup x509_module */
/**
* \brief Verify the certificate signature
*
* The verify callback is a user-supplied callback that
* can clear / modify / add flags for a certificate. If set,
* the verification callback is called for each
* certificate in the chain (from the trust-ca down to the
* presented crt). The parameters for the callback are:
* (void *parameter, x509_cert *crt, int certificate_depth,
* int *flags). With the flags representing current flags for
* that specific certificate and the certificate depth from
* the bottom (Peer cert depth = 0).
*
* All flags left after returning from the callback
* are also returned to the application. The function should
* return 0 for anything but a fatal error.
*
* \param crt a certificate to be verified
* \param trust_ca the trusted CA chain
* \param ca_crl the CRL chain for trusted CA's
* \param cn expected Common Name (can be set to
* NULL if the CN must not be verified)
* \param flags result of the verification
* \param f_vrfy verification function
* \param p_vrfy verification parameter
*
* \return 0 if successful or POLARSSL_ERR_X509_SIG_VERIFY_FAILED,
* in which case *flags will have one or more of
* the following values set:
* BADCERT_EXPIRED --
* BADCERT_REVOKED --
* BADCERT_CN_MISMATCH --
* BADCERT_NOT_TRUSTED
* or another error in case of a fatal error encountered
* during the verification process.
*/
int x509parse_verify( x509_cert *crt,
x509_cert *trust_ca,
x509_crl *ca_crl,
const char *cn, int *flags,
int (*f_vrfy)(void *, x509_cert *, int, int *),
void *p_vrfy );
/**
* \brief Verify the certificate signature
*
* \param crt a certificate to be verified
* \param crl the CRL to verify against
*
* \return 1 if the certificate is revoked, 0 otherwise
*
*/
int x509parse_revoked( const x509_cert *crt, const x509_crl *crl );
/** \} name Functions to verify a certificate */
/**
* \name Functions to clear a certificate, CRL or private RSA key
* \{
*/
/** \ingroup x509_module */
/**
* \brief Unallocate all certificate data
*
* \param crt Certificate chain to free
*/
void x509_free( x509_cert *crt );
/** \ingroup x509_module */
/**
* \brief Unallocate all CRL data
*
* \param crl CRL chain to free
*/
void x509_crl_free( x509_crl *crl );
/** \} name Functions to clear a certificate, CRL or private RSA key */
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int x509_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* x509.h */

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/**
* \file x509write.h
*
* \brief X509 buffer writing functionality
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_X509_WRITE_H
#define POLARSSL_X509_WRITE_H
#include "rsa.h"
typedef struct _x509_req_name
{
char oid[128];
char name[128];
struct _x509_req_name *next;
}
x509_req_name;
int x509_write_pubkey_der( unsigned char *buf, size_t size, rsa_context *rsa );
int x509_write_key_der( unsigned char *buf, size_t size, rsa_context *rsa );
int x509_write_cert_req( unsigned char *buf, size_t size, rsa_context *rsa,
x509_req_name *req_name, int hash_id );
#endif /* POLARSSL_X509_WRITE_H */

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/**
* \file xtea.h
*
* \brief XTEA block cipher (32-bit)
*
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_XTEA_H
#define POLARSSL_XTEA_H
#include "config.h"
#include <string.h>
#ifdef _MSC_VER
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define XTEA_ENCRYPT 1
#define XTEA_DECRYPT 0
#define POLARSSL_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028 /**< The data input has an invalid length. */
#if !defined(POLARSSL_XTEA_ALT)
// Regular implementation
//
/**
* \brief XTEA context structure
*/
typedef struct
{
uint32_t k[4]; /*!< key */
}
xtea_context;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief XTEA key schedule
*
* \param ctx XTEA context to be initialized
* \param key the secret key
*/
void xtea_setup( xtea_context *ctx, unsigned char key[16] );
/**
* \brief XTEA cipher function
*
* \param ctx XTEA context
* \param mode XTEA_ENCRYPT or XTEA_DECRYPT
* \param input 8-byte input block
* \param output 8-byte output block
*
* \return 0 if successful
*/
int xtea_crypt_ecb( xtea_context *ctx,
int mode,
unsigned char input[8],
unsigned char output[8] );
/**
* \brief XTEA CBC cipher function
*
* \param ctx XTEA context
* \param mode XTEA_ENCRYPT or XTEA_DECRYPT
* \param length the length of input, multiple of 8
* \param iv initialization vector for CBC mode
* \param input input block
* \param output output block
*
* \return 0 if successful,
* POLARSSL_ERR_XTEA_INVALID_INPUT_LENGTH if the length % 8 != 0
*/
int xtea_crypt_cbc( xtea_context *ctx,
int mode,
size_t length,
unsigned char iv[8],
unsigned char *input,
unsigned char *output);
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_XTEA_ALT */
#include "xtea_alt.h"
#endif /* POLARSSL_XTEA_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int xtea_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* xtea.h */