mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-23 06:09:50 -06:00
Replace OpenSSL with PolarSSL
Works on windows, not yet cmake.
This commit is contained in:
Matthew Parlane
415
Externals/polarssl/library/pkcs5.c
vendored
Normal file
415
Externals/polarssl/library/pkcs5.c
vendored
Normal file
@ -0,0 +1,415 @@
|
||||
/**
|
||||
* \file pkcs5.c
|
||||
*
|
||||
* \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.
|
||||
*/
|
||||
/*
|
||||
* PKCS#5 includes PBKDF2 and more
|
||||
*
|
||||
* http://tools.ietf.org/html/rfc2898 (Specification)
|
||||
* http://tools.ietf.org/html/rfc6070 (Test vectors)
|
||||
*/
|
||||
|
||||
#include "polarssl/config.h"
|
||||
|
||||
#if defined(POLARSSL_PKCS5_C)
|
||||
|
||||
#include "polarssl/pkcs5.h"
|
||||
#include "polarssl/asn1.h"
|
||||
#include "polarssl/cipher.h"
|
||||
|
||||
#define OID_CMP(oid_str, oid_buf) \
|
||||
( ( OID_SIZE(oid_str) == (oid_buf)->len ) && \
|
||||
memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) == 0)
|
||||
|
||||
static int pkcs5_parse_pbkdf2_params( unsigned char **p,
|
||||
const unsigned char *end,
|
||||
asn1_buf *salt, int *iterations,
|
||||
int *keylen, md_type_t *md_type )
|
||||
{
|
||||
int ret;
|
||||
size_t len = 0;
|
||||
asn1_buf prf_alg_oid;
|
||||
|
||||
/*
|
||||
* PBKDF2-params ::= SEQUENCE {
|
||||
* salt OCTET STRING,
|
||||
* iterationCount INTEGER,
|
||||
* keyLength INTEGER OPTIONAL
|
||||
* prf AlgorithmIdentifier DEFAULT algid-hmacWithSHA1
|
||||
* }
|
||||
*
|
||||
*/
|
||||
if( ( ret = asn1_get_tag( p, end, &len,
|
||||
ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
|
||||
{
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
}
|
||||
|
||||
end = *p + len;
|
||||
|
||||
if( ( ret = asn1_get_tag( p, end, &salt->len, ASN1_OCTET_STRING ) ) != 0 )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
|
||||
salt->p = *p;
|
||||
*p += salt->len;
|
||||
|
||||
if( ( ret = asn1_get_int( p, end, iterations ) ) != 0 )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
|
||||
if( *p == end )
|
||||
return( 0 );
|
||||
|
||||
if( ( ret = asn1_get_int( p, end, keylen ) ) != 0 )
|
||||
{
|
||||
if( ret != POLARSSL_ERR_ASN1_UNEXPECTED_TAG )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
}
|
||||
|
||||
if( *p == end )
|
||||
return( 0 );
|
||||
|
||||
if( ( ret = asn1_get_tag( p, end, &prf_alg_oid.len, ASN1_OID ) ) != 0 )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
|
||||
if( !OID_CMP( OID_HMAC_SHA1, &prf_alg_oid ) )
|
||||
return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
|
||||
|
||||
*md_type = POLARSSL_MD_SHA1;
|
||||
|
||||
if( *p != end )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT +
|
||||
POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
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 )
|
||||
{
|
||||
int ret, iterations = 0, keylen = 0;
|
||||
unsigned char *p, *end, *end2;
|
||||
asn1_buf kdf_alg_oid, enc_scheme_oid, salt;
|
||||
md_type_t md_type = POLARSSL_MD_SHA1;
|
||||
unsigned char key[32], iv[32];
|
||||
size_t len = 0, olen = 0;
|
||||
const md_info_t *md_info;
|
||||
const cipher_info_t *cipher_info;
|
||||
md_context_t md_ctx;
|
||||
cipher_context_t cipher_ctx;
|
||||
|
||||
p = pbe_params->p;
|
||||
end = p + pbe_params->len;
|
||||
|
||||
/*
|
||||
* PBES2-params ::= SEQUENCE {
|
||||
* keyDerivationFunc AlgorithmIdentifier {{PBES2-KDFs}},
|
||||
* encryptionScheme AlgorithmIdentifier {{PBES2-Encs}}
|
||||
* }
|
||||
*/
|
||||
if( ( ret = asn1_get_tag( &p, end, &len,
|
||||
ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
|
||||
{
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
}
|
||||
|
||||
if( ( ret = asn1_get_tag( &p, end, &len,
|
||||
ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
|
||||
{
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
}
|
||||
|
||||
end2 = p + len;
|
||||
|
||||
if( ( ret = asn1_get_tag( &p, end2, &kdf_alg_oid.len, ASN1_OID ) ) != 0 )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
|
||||
kdf_alg_oid.p = p;
|
||||
p += kdf_alg_oid.len;
|
||||
|
||||
// Only PBKDF2 supported at the moment
|
||||
//
|
||||
if( !OID_CMP( OID_PKCS5_PBKDF2, &kdf_alg_oid ) )
|
||||
return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
|
||||
|
||||
if( ( ret = pkcs5_parse_pbkdf2_params( &p, end2,
|
||||
&salt, &iterations, &keylen,
|
||||
&md_type ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
md_info = md_info_from_type( md_type );
|
||||
if( md_info == NULL )
|
||||
return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
|
||||
|
||||
if( ( ret = asn1_get_tag( &p, end, &len,
|
||||
ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
|
||||
{
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
}
|
||||
|
||||
end2 = p + len;
|
||||
|
||||
if( ( ret = asn1_get_tag( &p, end2, &enc_scheme_oid.len, ASN1_OID ) ) != 0 )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
|
||||
enc_scheme_oid.p = p;
|
||||
p += enc_scheme_oid.len;
|
||||
|
||||
#if defined(POLARSSL_DES_C)
|
||||
// Only DES-CBC and DES-EDE3-CBC supported at the moment
|
||||
//
|
||||
if( OID_CMP( OID_DES_EDE3_CBC, &enc_scheme_oid ) )
|
||||
{
|
||||
cipher_info = cipher_info_from_type( POLARSSL_CIPHER_DES_EDE3_CBC );
|
||||
}
|
||||
else if( OID_CMP( OID_DES_CBC, &enc_scheme_oid ) )
|
||||
{
|
||||
cipher_info = cipher_info_from_type( POLARSSL_CIPHER_DES_CBC );
|
||||
}
|
||||
else
|
||||
#endif /* POLARSSL_DES_C */
|
||||
return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
|
||||
|
||||
if( cipher_info == NULL )
|
||||
return( POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE );
|
||||
|
||||
keylen = cipher_info->key_length / 8;
|
||||
|
||||
if( ( ret = asn1_get_tag( &p, end2, &len, ASN1_OCTET_STRING ) ) != 0 )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT + ret );
|
||||
|
||||
if( len != cipher_info->iv_size )
|
||||
return( POLARSSL_ERR_PKCS5_INVALID_FORMAT );
|
||||
|
||||
memcpy( iv, p, len );
|
||||
|
||||
if( ( ret = md_init_ctx( &md_ctx, md_info ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = cipher_init_ctx( &cipher_ctx, cipher_info ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if ( ( ret = pkcs5_pbkdf2_hmac( &md_ctx, pwd, pwdlen, salt.p, salt.len,
|
||||
iterations, keylen, key ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
if( ( ret = cipher_setkey( &cipher_ctx, key, keylen, mode ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = cipher_reset( &cipher_ctx, iv ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = cipher_update( &cipher_ctx, data, datalen,
|
||||
output, &olen ) ) != 0 )
|
||||
{
|
||||
return( ret );
|
||||
}
|
||||
|
||||
if( ( ret = cipher_finish( &cipher_ctx, output + olen, &olen ) ) != 0 )
|
||||
return( POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
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 )
|
||||
{
|
||||
int ret, j;
|
||||
unsigned int i;
|
||||
unsigned char md1[POLARSSL_MD_MAX_SIZE];
|
||||
unsigned char work[POLARSSL_MD_MAX_SIZE];
|
||||
unsigned char md_size = md_get_size( ctx->md_info );
|
||||
size_t use_len;
|
||||
unsigned char *out_p = output;
|
||||
unsigned char counter[4];
|
||||
|
||||
memset( counter, 0, 4 );
|
||||
counter[3] = 1;
|
||||
|
||||
if( iteration_count > 0xFFFFFFFF )
|
||||
return( POLARSSL_ERR_PKCS5_BAD_INPUT_DATA );
|
||||
|
||||
while( key_length )
|
||||
{
|
||||
// U1 ends up in work
|
||||
//
|
||||
if( ( ret = md_hmac_starts( ctx, password, plen ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = md_hmac_update( ctx, salt, slen ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = md_hmac_update( ctx, counter, 4 ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = md_hmac_finish( ctx, work ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
memcpy( md1, work, md_size );
|
||||
|
||||
for ( i = 1; i < iteration_count; i++ )
|
||||
{
|
||||
// U2 ends up in md1
|
||||
//
|
||||
if( ( ret = md_hmac_starts( ctx, password, plen ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = md_hmac_update( ctx, md1, md_size ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
if( ( ret = md_hmac_finish( ctx, md1 ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
// U1 xor U2
|
||||
//
|
||||
for( j = 0; j < md_size; j++ )
|
||||
work[j] ^= md1[j];
|
||||
}
|
||||
|
||||
use_len = ( key_length < md_size ) ? key_length : md_size;
|
||||
memcpy( out_p, work, use_len );
|
||||
|
||||
key_length -= use_len;
|
||||
out_p += use_len;
|
||||
|
||||
for( i = 4; i > 0; i-- )
|
||||
if( ++counter[i - 1] != 0 )
|
||||
break;
|
||||
}
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#if defined(POLARSSL_SELF_TEST)
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#define MAX_TESTS 6
|
||||
|
||||
size_t plen[MAX_TESTS] =
|
||||
{ 8, 8, 8, 8, 24, 9 };
|
||||
|
||||
unsigned char password[MAX_TESTS][32] =
|
||||
{
|
||||
"password",
|
||||
"password",
|
||||
"password",
|
||||
"password",
|
||||
"passwordPASSWORDpassword",
|
||||
"pass\0word",
|
||||
};
|
||||
|
||||
size_t slen[MAX_TESTS] =
|
||||
{ 4, 4, 4, 4, 36, 5 };
|
||||
|
||||
unsigned char salt[MAX_TESTS][40] =
|
||||
{
|
||||
"salt",
|
||||
"salt",
|
||||
"salt",
|
||||
"salt",
|
||||
"saltSALTsaltSALTsaltSALTsaltSALTsalt",
|
||||
"sa\0lt",
|
||||
};
|
||||
|
||||
uint32_t it_cnt[MAX_TESTS] =
|
||||
{ 1, 2, 4096, 16777216, 4096, 4096 };
|
||||
|
||||
uint32_t key_len[MAX_TESTS] =
|
||||
{ 20, 20, 20, 20, 25, 16 };
|
||||
|
||||
|
||||
unsigned char result_key[MAX_TESTS][32] =
|
||||
{
|
||||
{ 0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71,
|
||||
0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06,
|
||||
0x2f, 0xe0, 0x37, 0xa6 },
|
||||
{ 0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c,
|
||||
0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0,
|
||||
0xd8, 0xde, 0x89, 0x57 },
|
||||
{ 0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a,
|
||||
0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0,
|
||||
0x65, 0xa4, 0x29, 0xc1 },
|
||||
{ 0xee, 0xfe, 0x3d, 0x61, 0xcd, 0x4d, 0xa4, 0xe4,
|
||||
0xe9, 0x94, 0x5b, 0x3d, 0x6b, 0xa2, 0x15, 0x8c,
|
||||
0x26, 0x34, 0xe9, 0x84 },
|
||||
{ 0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b,
|
||||
0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a,
|
||||
0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70,
|
||||
0x38 },
|
||||
{ 0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d,
|
||||
0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3 },
|
||||
};
|
||||
|
||||
int pkcs5_self_test( int verbose )
|
||||
{
|
||||
md_context_t sha1_ctx;
|
||||
const md_info_t *info_sha1;
|
||||
int ret, i;
|
||||
unsigned char key[64];
|
||||
|
||||
info_sha1 = md_info_from_type( POLARSSL_MD_SHA1 );
|
||||
if( info_sha1 == NULL )
|
||||
return( 1 );
|
||||
|
||||
if( ( ret = md_init_ctx( &sha1_ctx, info_sha1 ) ) != 0 )
|
||||
return( 1 );
|
||||
|
||||
for( i = 0; i < MAX_TESTS; i++ )
|
||||
{
|
||||
printf( " PBKDF2 (SHA1) #%d: ", i );
|
||||
|
||||
ret = pkcs5_pbkdf2_hmac( &sha1_ctx, password[i], plen[i], salt[i],
|
||||
slen[i], it_cnt[i], key_len[i], key );
|
||||
if( ret != 0 ||
|
||||
memcmp( result_key[i], key, key_len[i] ) != 0 )
|
||||
{
|
||||
if( verbose != 0 )
|
||||
printf( "failed\n" );
|
||||
|
||||
return( 1 );
|
||||
}
|
||||
|
||||
if( verbose != 0 )
|
||||
printf( "passed\n" );
|
||||
}
|
||||
|
||||
printf( "\n" );
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
#endif /* POLARSSL_SELF_TEST */
|
||||
|
||||
#endif /* POLARSSL_PKCS5_C */
|
||||
Reference in New Issue
Block a user