mbedtls/library/md_wrap.c
Manuel Pégourié-Gonnard 71d296a15d Add missing calls to _free() in md_wrap
We can't just assume xxx_free() will only zeroize, because of alternative
implementations
2015-07-06 11:36:25 +02:00

526 lines
12 KiB
C

/**
* \file md_wrap.c
* \brief Generic message digest wrapper for mbed TLS
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*
* 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.
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_MD_C)
#include "mbedtls/md_internal.h"
#if defined(MBEDTLS_MD2_C)
#include "mbedtls/md2.h"
#endif
#if defined(MBEDTLS_MD4_C)
#include "mbedtls/md4.h"
#endif
#if defined(MBEDTLS_MD5_C)
#include "mbedtls/md5.h"
#endif
#if defined(MBEDTLS_RIPEMD160_C)
#include "mbedtls/ripemd160.h"
#endif
#if defined(MBEDTLS_SHA1_C)
#include "mbedtls/sha1.h"
#endif
#if defined(MBEDTLS_SHA256_C)
#include "mbedtls/sha256.h"
#endif
#if defined(MBEDTLS_SHA512_C)
#include "mbedtls/sha512.h"
#endif
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdlib.h>
#define mbedtls_calloc calloc
#define mbedtls_free free
#endif
#if defined(MBEDTLS_MD2_C)
static void md2_starts_wrap( void *ctx )
{
mbedtls_md2_starts( (mbedtls_md2_context *) ctx );
}
static void md2_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
mbedtls_md2_update( (mbedtls_md2_context *) ctx, input, ilen );
}
static void md2_finish_wrap( void *ctx, unsigned char *output )
{
mbedtls_md2_finish( (mbedtls_md2_context *) ctx, output );
}
static void *md2_ctx_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md2_context ) );
if( ctx != NULL )
mbedtls_md2_init( (mbedtls_md2_context *) ctx );
return( ctx );
}
static void md2_ctx_free( void *ctx )
{
mbedtls_md2_free( (mbedtls_md2_context *) ctx );
mbedtls_free( ctx );
}
static void md2_process_wrap( void *ctx, const unsigned char *data )
{
((void) data);
mbedtls_md2_process( (mbedtls_md2_context *) ctx );
}
const mbedtls_md_info_t mbedtls_md2_info = {
MBEDTLS_MD_MD2,
"MD2",
16,
16,
md2_starts_wrap,
md2_update_wrap,
md2_finish_wrap,
mbedtls_md2,
md2_ctx_alloc,
md2_ctx_free,
md2_process_wrap,
};
#endif /* MBEDTLS_MD2_C */
#if defined(MBEDTLS_MD4_C)
static void md4_starts_wrap( void *ctx )
{
mbedtls_md4_starts( (mbedtls_md4_context *) ctx );
}
static void md4_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
mbedtls_md4_update( (mbedtls_md4_context *) ctx, input, ilen );
}
static void md4_finish_wrap( void *ctx, unsigned char *output )
{
mbedtls_md4_finish( (mbedtls_md4_context *) ctx, output );
}
static void *md4_ctx_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md4_context ) );
if( ctx != NULL )
mbedtls_md4_init( (mbedtls_md4_context *) ctx );
return( ctx );
}
static void md4_ctx_free( void *ctx )
{
mbedtls_md4_free( (mbedtls_md4_context *) ctx );
mbedtls_free( ctx );
}
static void md4_process_wrap( void *ctx, const unsigned char *data )
{
mbedtls_md4_process( (mbedtls_md4_context *) ctx, data );
}
const mbedtls_md_info_t mbedtls_md4_info = {
MBEDTLS_MD_MD4,
"MD4",
16,
64,
md4_starts_wrap,
md4_update_wrap,
md4_finish_wrap,
mbedtls_md4,
md4_ctx_alloc,
md4_ctx_free,
md4_process_wrap,
};
#endif /* MBEDTLS_MD4_C */
#if defined(MBEDTLS_MD5_C)
static void md5_starts_wrap( void *ctx )
{
mbedtls_md5_starts( (mbedtls_md5_context *) ctx );
}
static void md5_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
mbedtls_md5_update( (mbedtls_md5_context *) ctx, input, ilen );
}
static void md5_finish_wrap( void *ctx, unsigned char *output )
{
mbedtls_md5_finish( (mbedtls_md5_context *) ctx, output );
}
static void *md5_ctx_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md5_context ) );
if( ctx != NULL )
mbedtls_md5_init( (mbedtls_md5_context *) ctx );
return( ctx );
}
static void md5_ctx_free( void *ctx )
{
mbedtls_md5_free( (mbedtls_md5_context *) ctx );
mbedtls_free( ctx );
}
static void md5_process_wrap( void *ctx, const unsigned char *data )
{
mbedtls_md5_process( (mbedtls_md5_context *) ctx, data );
}
const mbedtls_md_info_t mbedtls_md5_info = {
MBEDTLS_MD_MD5,
"MD5",
16,
64,
md5_starts_wrap,
md5_update_wrap,
md5_finish_wrap,
mbedtls_md5,
md5_ctx_alloc,
md5_ctx_free,
md5_process_wrap,
};
#endif /* MBEDTLS_MD5_C */
#if defined(MBEDTLS_RIPEMD160_C)
static void ripemd160_starts_wrap( void *ctx )
{
mbedtls_ripemd160_starts( (mbedtls_ripemd160_context *) ctx );
}
static void ripemd160_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
mbedtls_ripemd160_update( (mbedtls_ripemd160_context *) ctx, input, ilen );
}
static void ripemd160_finish_wrap( void *ctx, unsigned char *output )
{
mbedtls_ripemd160_finish( (mbedtls_ripemd160_context *) ctx, output );
}
static void *ripemd160_ctx_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ripemd160_context ) );
if( ctx != NULL )
mbedtls_ripemd160_init( (mbedtls_ripemd160_context *) ctx );
return( ctx );
}
static void ripemd160_ctx_free( void *ctx )
{
mbedtls_ripemd160_free( (mbedtls_ripemd160_context *) ctx );
mbedtls_free( ctx );
}
static void ripemd160_process_wrap( void *ctx, const unsigned char *data )
{
mbedtls_ripemd160_process( (mbedtls_ripemd160_context *) ctx, data );
}
const mbedtls_md_info_t mbedtls_ripemd160_info = {
MBEDTLS_MD_RIPEMD160,
"RIPEMD160",
20,
64,
ripemd160_starts_wrap,
ripemd160_update_wrap,
ripemd160_finish_wrap,
mbedtls_ripemd160,
ripemd160_ctx_alloc,
ripemd160_ctx_free,
ripemd160_process_wrap,
};
#endif /* MBEDTLS_RIPEMD160_C */
#if defined(MBEDTLS_SHA1_C)
static void sha1_starts_wrap( void *ctx )
{
mbedtls_sha1_starts( (mbedtls_sha1_context *) ctx );
}
static void sha1_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
mbedtls_sha1_update( (mbedtls_sha1_context *) ctx, input, ilen );
}
static void sha1_finish_wrap( void *ctx, unsigned char *output )
{
mbedtls_sha1_finish( (mbedtls_sha1_context *) ctx, output );
}
static void *sha1_ctx_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_sha1_context ) );
if( ctx != NULL )
mbedtls_sha1_init( (mbedtls_sha1_context *) ctx );
return( ctx );
}
static void sha1_ctx_free( void *ctx )
{
mbedtls_sha1_free( (mbedtls_sha1_context *) ctx );
mbedtls_free( ctx );
}
static void sha1_process_wrap( void *ctx, const unsigned char *data )
{
mbedtls_sha1_process( (mbedtls_sha1_context *) ctx, data );
}
const mbedtls_md_info_t mbedtls_sha1_info = {
MBEDTLS_MD_SHA1,
"SHA1",
20,
64,
sha1_starts_wrap,
sha1_update_wrap,
sha1_finish_wrap,
mbedtls_sha1,
sha1_ctx_alloc,
sha1_ctx_free,
sha1_process_wrap,
};
#endif /* MBEDTLS_SHA1_C */
/*
* Wrappers for generic message digests
*/
#if defined(MBEDTLS_SHA256_C)
static void sha224_starts_wrap( void *ctx )
{
mbedtls_sha256_starts( (mbedtls_sha256_context *) ctx, 1 );
}
static void sha224_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
mbedtls_sha256_update( (mbedtls_sha256_context *) ctx, input, ilen );
}
static void sha224_finish_wrap( void *ctx, unsigned char *output )
{
mbedtls_sha256_finish( (mbedtls_sha256_context *) ctx, output );
}
static void sha224_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
mbedtls_sha256( input, ilen, output, 1 );
}
static void *sha224_ctx_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_sha256_context ) );
if( ctx != NULL )
mbedtls_sha256_init( (mbedtls_sha256_context *) ctx );
return( ctx );
}
static void sha224_ctx_free( void *ctx )
{
mbedtls_sha256_free( (mbedtls_sha256_context *) ctx );
mbedtls_free( ctx );
}
static void sha224_process_wrap( void *ctx, const unsigned char *data )
{
mbedtls_sha256_process( (mbedtls_sha256_context *) ctx, data );
}
const mbedtls_md_info_t mbedtls_sha224_info = {
MBEDTLS_MD_SHA224,
"SHA224",
28,
64,
sha224_starts_wrap,
sha224_update_wrap,
sha224_finish_wrap,
sha224_wrap,
sha224_ctx_alloc,
sha224_ctx_free,
sha224_process_wrap,
};
static void sha256_starts_wrap( void *ctx )
{
mbedtls_sha256_starts( (mbedtls_sha256_context *) ctx, 0 );
}
static void sha256_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
mbedtls_sha256( input, ilen, output, 0 );
}
const mbedtls_md_info_t mbedtls_sha256_info = {
MBEDTLS_MD_SHA256,
"SHA256",
32,
64,
sha256_starts_wrap,
sha224_update_wrap,
sha224_finish_wrap,
sha256_wrap,
sha224_ctx_alloc,
sha224_ctx_free,
sha224_process_wrap,
};
#endif /* MBEDTLS_SHA256_C */
#if defined(MBEDTLS_SHA512_C)
static void sha384_starts_wrap( void *ctx )
{
mbedtls_sha512_starts( (mbedtls_sha512_context *) ctx, 1 );
}
static void sha384_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
mbedtls_sha512_update( (mbedtls_sha512_context *) ctx, input, ilen );
}
static void sha384_finish_wrap( void *ctx, unsigned char *output )
{
mbedtls_sha512_finish( (mbedtls_sha512_context *) ctx, output );
}
static void sha384_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
mbedtls_sha512( input, ilen, output, 1 );
}
static void *sha384_ctx_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_sha512_context ) );
if( ctx != NULL )
mbedtls_sha512_init( (mbedtls_sha512_context *) ctx );
return( ctx );
}
static void sha384_ctx_free( void *ctx )
{
mbedtls_sha512_free( (mbedtls_sha512_context *) ctx );
mbedtls_free( ctx );
}
static void sha384_process_wrap( void *ctx, const unsigned char *data )
{
mbedtls_sha512_process( (mbedtls_sha512_context *) ctx, data );
}
const mbedtls_md_info_t mbedtls_sha384_info = {
MBEDTLS_MD_SHA384,
"SHA384",
48,
128,
sha384_starts_wrap,
sha384_update_wrap,
sha384_finish_wrap,
sha384_wrap,
sha384_ctx_alloc,
sha384_ctx_free,
sha384_process_wrap,
};
static void sha512_starts_wrap( void *ctx )
{
mbedtls_sha512_starts( (mbedtls_sha512_context *) ctx, 0 );
}
static void sha512_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
mbedtls_sha512( input, ilen, output, 0 );
}
const mbedtls_md_info_t mbedtls_sha512_info = {
MBEDTLS_MD_SHA512,
"SHA512",
64,
128,
sha512_starts_wrap,
sha384_update_wrap,
sha384_finish_wrap,
sha512_wrap,
sha384_ctx_alloc,
sha384_ctx_free,
sha384_process_wrap,
};
#endif /* MBEDTLS_SHA512_C */
#endif /* MBEDTLS_MD_C */