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Externals: Update mbedtls to 2.28.0

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This commit is contained in:
OatmealDome
2022-04-02 19:30:22 -04:00
parent c9896e1c4b
commit d8a5a8827e
256 changed files with 67343 additions and 15595 deletions
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141
Externals/mbedtls/library/asn1write.c vendored
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@ -1,7 +1,7 @@
/*
* ASN.1 buffer writing functionality
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
@ -15,19 +15,14 @@
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#include "common.h"
#if defined(MBEDTLS_ASN1_WRITE_C)
#include "mbedtls/asn1write.h"
#include "mbedtls/error.h"
#include <string.h>
@ -65,8 +60,8 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
if( *p - start < 3 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
*--(*p) = ( len ) & 0xFF;
*--(*p) = ( len >> 8 ) & 0xFF;
*--(*p) = MBEDTLS_BYTE_0( len );
*--(*p) = MBEDTLS_BYTE_1( len );
*--(*p) = 0x82;
return( 3 );
}
@ -76,9 +71,9 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
if( *p - start < 4 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
*--(*p) = ( len ) & 0xFF;
*--(*p) = ( len >> 8 ) & 0xFF;
*--(*p) = ( len >> 16 ) & 0xFF;
*--(*p) = MBEDTLS_BYTE_0( len );
*--(*p) = MBEDTLS_BYTE_1( len );
*--(*p) = MBEDTLS_BYTE_2( len );
*--(*p) = 0x83;
return( 4 );
}
@ -90,10 +85,10 @@ int mbedtls_asn1_write_len( unsigned char **p, unsigned char *start, size_t len
if( *p - start < 5 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
*--(*p) = ( len ) & 0xFF;
*--(*p) = ( len >> 8 ) & 0xFF;
*--(*p) = ( len >> 16 ) & 0xFF;
*--(*p) = ( len >> 24 ) & 0xFF;
*--(*p) = MBEDTLS_BYTE_0( len );
*--(*p) = MBEDTLS_BYTE_1( len );
*--(*p) = MBEDTLS_BYTE_2( len );
*--(*p) = MBEDTLS_BYTE_3( len );
*--(*p) = 0x84;
return( 5 );
}
@ -131,7 +126,7 @@ int mbedtls_asn1_write_raw_buffer( unsigned char **p, unsigned char *start,
#if defined(MBEDTLS_BIGNUM_C)
int mbedtls_asn1_write_mpi( unsigned char **p, unsigned char *start, const mbedtls_mpi *X )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
// Write the MPI
@ -168,7 +163,7 @@ cleanup:
int mbedtls_asn1_write_null( unsigned char **p, unsigned char *start )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
// Write NULL
@ -182,7 +177,7 @@ int mbedtls_asn1_write_null( unsigned char **p, unsigned char *start )
int mbedtls_asn1_write_oid( unsigned char **p, unsigned char *start,
const char *oid, size_t oid_len )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start,
@ -197,7 +192,7 @@ int mbedtls_asn1_write_algorithm_identifier( unsigned char **p, unsigned char *s
const char *oid, size_t oid_len,
size_t par_len )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
if( par_len == 0 )
@ -216,7 +211,7 @@ int mbedtls_asn1_write_algorithm_identifier( unsigned char **p, unsigned char *s
int mbedtls_asn1_write_bool( unsigned char **p, unsigned char *start, int boolean )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
if( *p - start < 1 )
@ -231,36 +226,49 @@ int mbedtls_asn1_write_bool( unsigned char **p, unsigned char *start, int boolea
return( (int) len );
}
int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val )
static int asn1_write_tagged_int( unsigned char **p, unsigned char *start, int val, int tag )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
if( *p - start < 1 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
len += 1;
*--(*p) = val;
if( val > 0 && **p & 0x80 )
do
{
if( *p - start < 1 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
len += 1;
*--(*p) = val & 0xff;
val >>= 8;
}
while( val > 0 );
if( **p & 0x80 )
{
if( *p - start < 1 )
return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL );
*--(*p) = 0x00;
len += 1;
}
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_INTEGER ) );
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, tag ) );
return( (int) len );
}
int mbedtls_asn1_write_int( unsigned char **p, unsigned char *start, int val )
{
return( asn1_write_tagged_int( p, start, val, MBEDTLS_ASN1_INTEGER ) );
}
int mbedtls_asn1_write_enum( unsigned char **p, unsigned char *start, int val )
{
return( asn1_write_tagged_int( p, start, val, MBEDTLS_ASN1_ENUMERATED ) );
}
int mbedtls_asn1_write_tagged_string( unsigned char **p, unsigned char *start, int tag,
const char *text, size_t text_len )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start,
@ -290,10 +298,53 @@ int mbedtls_asn1_write_ia5_string( unsigned char **p, unsigned char *start,
return( mbedtls_asn1_write_tagged_string(p, start, MBEDTLS_ASN1_IA5_STRING, text, text_len) );
}
int mbedtls_asn1_write_named_bitstring( unsigned char **p,
unsigned char *start,
const unsigned char *buf,
size_t bits )
{
size_t unused_bits, byte_len;
const unsigned char *cur_byte;
unsigned char cur_byte_shifted;
unsigned char bit;
byte_len = ( bits + 7 ) / 8;
unused_bits = ( byte_len * 8 ) - bits;
/*
* Named bitstrings require that trailing 0s are excluded in the encoding
* of the bitstring. Trailing 0s are considered part of the 'unused' bits
* when encoding this value in the first content octet
*/
if( bits != 0 )
{
cur_byte = buf + byte_len - 1;
cur_byte_shifted = *cur_byte >> unused_bits;
for( ; ; )
{
bit = cur_byte_shifted & 0x1;
cur_byte_shifted >>= 1;
if( bit != 0 )
break;
bits--;
if( bits == 0 )
break;
if( bits % 8 == 0 )
cur_byte_shifted = *--cur_byte;
}
}
return( mbedtls_asn1_write_bitstring( p, start, buf, bits ) );
}
int mbedtls_asn1_write_bitstring( unsigned char **p, unsigned char *start,
const unsigned char *buf, size_t bits )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
size_t unused_bits, byte_len;
@ -326,7 +377,7 @@ int mbedtls_asn1_write_bitstring( unsigned char **p, unsigned char *start,
int mbedtls_asn1_write_octet_string( unsigned char **p, unsigned char *start,
const unsigned char *buf, size_t size )
{
int ret;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start, buf, size ) );
@ -386,18 +437,26 @@ mbedtls_asn1_named_data *mbedtls_asn1_store_named_data(
memcpy( cur->oid.p, oid, oid_len );
cur->val.len = val_len;
cur->val.p = mbedtls_calloc( 1, val_len );
if( cur->val.p == NULL )
if( val_len != 0 )
{
mbedtls_free( cur->oid.p );
mbedtls_free( cur );
return( NULL );
cur->val.p = mbedtls_calloc( 1, val_len );
if( cur->val.p == NULL )
{
mbedtls_free( cur->oid.p );
mbedtls_free( cur );
return( NULL );
}
}
cur->next = *head;
*head = cur;
}
else if( cur->val.len < val_len )
else if( val_len == 0 )
{
mbedtls_free( cur->val.p );
cur->val.p = NULL;
}
else if( cur->val.len != val_len )
{
/*
* Enlarge existing value buffer if needed