blob: 834e24118cbb20c8c36f12775b090c2d361233ae [file] [log] [blame]
/**
* \file md_wrap.c
* \brief Generic message digest wrapper for PolarSSL
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2014, 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.
*/
#if !defined(POLARSSL_CONFIG_FILE)
#include "polarssl/config.h"
#else
#include POLARSSL_CONFIG_FILE
#endif
#if defined(POLARSSL_MD_C)
#include "polarssl/md_wrap.h"
#if defined(POLARSSL_MD2_C)
#include "polarssl/md2.h"
#endif
#if defined(POLARSSL_MD4_C)
#include "polarssl/md4.h"
#endif
#if defined(POLARSSL_MD5_C)
#include "polarssl/md5.h"
#endif
#if defined(POLARSSL_RIPEMD160_C)
#include "polarssl/ripemd160.h"
#endif
#if defined(POLARSSL_SHA1_C)
#include "polarssl/sha1.h"
#endif
#if defined(POLARSSL_SHA256_C)
#include "polarssl/sha256.h"
#endif
#if defined(POLARSSL_SHA512_C)
#include "polarssl/sha512.h"
#endif
#if defined(POLARSSL_PLATFORM_C)
#include "polarssl/platform.h"
#else
#define polarssl_malloc malloc
#define polarssl_free free
#endif
#include <stdlib.h>
/* Implementation that should never be optimized out by the compiler */
static void polarssl_zeroize( void *v, size_t n ) {
volatile unsigned char *p = v; while( n-- ) *p++ = 0;
}
#if defined(POLARSSL_MD2_C)
static void md2_starts_wrap( void *ctx )
{
md2_starts( (md2_context *) ctx );
}
static void md2_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
md2_update( (md2_context *) ctx, input, ilen );
}
static void md2_finish_wrap( void *ctx, unsigned char *output )
{
md2_finish( (md2_context *) ctx, output );
}
static int md2_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return md2_file( path, output );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void md2_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
md2_hmac_starts( (md2_context *) ctx, key, keylen );
}
static void md2_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
md2_hmac_update( (md2_context *) ctx, input, ilen );
}
static void md2_hmac_finish_wrap( void *ctx, unsigned char *output )
{
md2_hmac_finish( (md2_context *) ctx, output );
}
static void md2_hmac_reset_wrap( void *ctx )
{
md2_hmac_reset( (md2_context *) ctx );
}
static void * md2_ctx_alloc( void )
{
return polarssl_malloc( sizeof( md2_context ) );
}
static void md2_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( md2_context ) );
polarssl_free( ctx );
}
static void md2_process_wrap( void *ctx, const unsigned char *data )
{
((void) data);
md2_process( (md2_context *) ctx );
}
const md_info_t md2_info = {
POLARSSL_MD_MD2,
"MD2",
16,
md2_starts_wrap,
md2_update_wrap,
md2_finish_wrap,
md2,
md2_file_wrap,
md2_hmac_starts_wrap,
md2_hmac_update_wrap,
md2_hmac_finish_wrap,
md2_hmac_reset_wrap,
md2_hmac,
md2_ctx_alloc,
md2_ctx_free,
md2_process_wrap,
};
#endif /* POLARSSL_MD2_C */
#if defined(POLARSSL_MD4_C)
static void md4_starts_wrap( void *ctx )
{
md4_starts( (md4_context *) ctx );
}
static void md4_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
md4_update( (md4_context *) ctx, input, ilen );
}
static void md4_finish_wrap( void *ctx, unsigned char *output )
{
md4_finish( (md4_context *) ctx, output );
}
static int md4_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return md4_file( path, output );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void md4_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
md4_hmac_starts( (md4_context *) ctx, key, keylen );
}
static void md4_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
md4_hmac_update( (md4_context *) ctx, input, ilen );
}
static void md4_hmac_finish_wrap( void *ctx, unsigned char *output )
{
md4_hmac_finish( (md4_context *) ctx, output );
}
static void md4_hmac_reset_wrap( void *ctx )
{
md4_hmac_reset( (md4_context *) ctx );
}
static void *md4_ctx_alloc( void )
{
return polarssl_malloc( sizeof( md4_context ) );
}
static void md4_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( md4_context ) );
polarssl_free( ctx );
}
static void md4_process_wrap( void *ctx, const unsigned char *data )
{
md4_process( (md4_context *) ctx, data );
}
const md_info_t md4_info = {
POLARSSL_MD_MD4,
"MD4",
16,
md4_starts_wrap,
md4_update_wrap,
md4_finish_wrap,
md4,
md4_file_wrap,
md4_hmac_starts_wrap,
md4_hmac_update_wrap,
md4_hmac_finish_wrap,
md4_hmac_reset_wrap,
md4_hmac,
md4_ctx_alloc,
md4_ctx_free,
md4_process_wrap,
};
#endif /* POLARSSL_MD4_C */
#if defined(POLARSSL_MD5_C)
static void md5_starts_wrap( void *ctx )
{
md5_starts( (md5_context *) ctx );
}
static void md5_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
md5_update( (md5_context *) ctx, input, ilen );
}
static void md5_finish_wrap( void *ctx, unsigned char *output )
{
md5_finish( (md5_context *) ctx, output );
}
static int md5_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return md5_file( path, output );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void md5_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
md5_hmac_starts( (md5_context *) ctx, key, keylen );
}
static void md5_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
md5_hmac_update( (md5_context *) ctx, input, ilen );
}
static void md5_hmac_finish_wrap( void *ctx, unsigned char *output )
{
md5_hmac_finish( (md5_context *) ctx, output );
}
static void md5_hmac_reset_wrap( void *ctx )
{
md5_hmac_reset( (md5_context *) ctx );
}
static void * md5_ctx_alloc( void )
{
return polarssl_malloc( sizeof( md5_context ) );
}
static void md5_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( md5_context ) );
polarssl_free( ctx );
}
static void md5_process_wrap( void *ctx, const unsigned char *data )
{
md5_process( (md5_context *) ctx, data );
}
const md_info_t md5_info = {
POLARSSL_MD_MD5,
"MD5",
16,
md5_starts_wrap,
md5_update_wrap,
md5_finish_wrap,
md5,
md5_file_wrap,
md5_hmac_starts_wrap,
md5_hmac_update_wrap,
md5_hmac_finish_wrap,
md5_hmac_reset_wrap,
md5_hmac,
md5_ctx_alloc,
md5_ctx_free,
md5_process_wrap,
};
#endif /* POLARSSL_MD5_C */
#if defined(POLARSSL_RIPEMD160_C)
static void ripemd160_starts_wrap( void *ctx )
{
ripemd160_starts( (ripemd160_context *) ctx );
}
static void ripemd160_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
ripemd160_update( (ripemd160_context *) ctx, input, ilen );
}
static void ripemd160_finish_wrap( void *ctx, unsigned char *output )
{
ripemd160_finish( (ripemd160_context *) ctx, output );
}
static int ripemd160_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return ripemd160_file( path, output );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void ripemd160_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
ripemd160_hmac_starts( (ripemd160_context *) ctx, key, keylen );
}
static void ripemd160_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
ripemd160_hmac_update( (ripemd160_context *) ctx, input, ilen );
}
static void ripemd160_hmac_finish_wrap( void *ctx, unsigned char *output )
{
ripemd160_hmac_finish( (ripemd160_context *) ctx, output );
}
static void ripemd160_hmac_reset_wrap( void *ctx )
{
ripemd160_hmac_reset( (ripemd160_context *) ctx );
}
static void * ripemd160_ctx_alloc( void )
{
return polarssl_malloc( sizeof( ripemd160_context ) );
}
static void ripemd160_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( ripemd160_context ) );
polarssl_free( ctx );
}
static void ripemd160_process_wrap( void *ctx, const unsigned char *data )
{
ripemd160_process( (ripemd160_context *) ctx, data );
}
const md_info_t ripemd160_info = {
POLARSSL_MD_RIPEMD160,
"RIPEMD160",
20,
ripemd160_starts_wrap,
ripemd160_update_wrap,
ripemd160_finish_wrap,
ripemd160,
ripemd160_file_wrap,
ripemd160_hmac_starts_wrap,
ripemd160_hmac_update_wrap,
ripemd160_hmac_finish_wrap,
ripemd160_hmac_reset_wrap,
ripemd160_hmac,
ripemd160_ctx_alloc,
ripemd160_ctx_free,
ripemd160_process_wrap,
};
#endif /* POLARSSL_RIPEMD160_C */
#if defined(POLARSSL_SHA1_C)
static void sha1_starts_wrap( void *ctx )
{
sha1_starts( (sha1_context *) ctx );
}
static void sha1_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha1_update( (sha1_context *) ctx, input, ilen );
}
static void sha1_finish_wrap( void *ctx, unsigned char *output )
{
sha1_finish( (sha1_context *) ctx, output );
}
static int sha1_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return sha1_file( path, output );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void sha1_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
sha1_hmac_starts( (sha1_context *) ctx, key, keylen );
}
static void sha1_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha1_hmac_update( (sha1_context *) ctx, input, ilen );
}
static void sha1_hmac_finish_wrap( void *ctx, unsigned char *output )
{
sha1_hmac_finish( (sha1_context *) ctx, output );
}
static void sha1_hmac_reset_wrap( void *ctx )
{
sha1_hmac_reset( (sha1_context *) ctx );
}
static void * sha1_ctx_alloc( void )
{
return polarssl_malloc( sizeof( sha1_context ) );
}
static void sha1_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( sha1_context ) );
polarssl_free( ctx );
}
static void sha1_process_wrap( void *ctx, const unsigned char *data )
{
sha1_process( (sha1_context *) ctx, data );
}
const md_info_t sha1_info = {
POLARSSL_MD_SHA1,
"SHA1",
20,
sha1_starts_wrap,
sha1_update_wrap,
sha1_finish_wrap,
sha1,
sha1_file_wrap,
sha1_hmac_starts_wrap,
sha1_hmac_update_wrap,
sha1_hmac_finish_wrap,
sha1_hmac_reset_wrap,
sha1_hmac,
sha1_ctx_alloc,
sha1_ctx_free,
sha1_process_wrap,
};
#endif /* POLARSSL_SHA1_C */
/*
* Wrappers for generic message digests
*/
#if defined(POLARSSL_SHA256_C)
static void sha224_starts_wrap( void *ctx )
{
sha256_starts( (sha256_context *) ctx, 1 );
}
static void sha224_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha256_update( (sha256_context *) ctx, input, ilen );
}
static void sha224_finish_wrap( void *ctx, unsigned char *output )
{
sha256_finish( (sha256_context *) ctx, output );
}
static void sha224_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha256( input, ilen, output, 1 );
}
static int sha224_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return sha256_file( path, output, 1 );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void sha224_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
sha256_hmac_starts( (sha256_context *) ctx, key, keylen, 1 );
}
static void sha224_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha256_hmac_update( (sha256_context *) ctx, input, ilen );
}
static void sha224_hmac_finish_wrap( void *ctx, unsigned char *output )
{
sha256_hmac_finish( (sha256_context *) ctx, output );
}
static void sha224_hmac_reset_wrap( void *ctx )
{
sha256_hmac_reset( (sha256_context *) ctx );
}
static void sha224_hmac_wrap( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha256_hmac( key, keylen, input, ilen, output, 1 );
}
static void * sha224_ctx_alloc( void )
{
return polarssl_malloc( sizeof( sha256_context ) );
}
static void sha224_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( sha256_context ) );
polarssl_free( ctx );
}
static void sha224_process_wrap( void *ctx, const unsigned char *data )
{
sha256_process( (sha256_context *) ctx, data );
}
const md_info_t sha224_info = {
POLARSSL_MD_SHA224,
"SHA224",
28,
sha224_starts_wrap,
sha224_update_wrap,
sha224_finish_wrap,
sha224_wrap,
sha224_file_wrap,
sha224_hmac_starts_wrap,
sha224_hmac_update_wrap,
sha224_hmac_finish_wrap,
sha224_hmac_reset_wrap,
sha224_hmac_wrap,
sha224_ctx_alloc,
sha224_ctx_free,
sha224_process_wrap,
};
static void sha256_starts_wrap( void *ctx )
{
sha256_starts( (sha256_context *) ctx, 0 );
}
static void sha256_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha256_update( (sha256_context *) ctx, input, ilen );
}
static void sha256_finish_wrap( void *ctx, unsigned char *output )
{
sha256_finish( (sha256_context *) ctx, output );
}
static void sha256_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha256( input, ilen, output, 0 );
}
static int sha256_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return sha256_file( path, output, 0 );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void sha256_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
sha256_hmac_starts( (sha256_context *) ctx, key, keylen, 0 );
}
static void sha256_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha256_hmac_update( (sha256_context *) ctx, input, ilen );
}
static void sha256_hmac_finish_wrap( void *ctx, unsigned char *output )
{
sha256_hmac_finish( (sha256_context *) ctx, output );
}
static void sha256_hmac_reset_wrap( void *ctx )
{
sha256_hmac_reset( (sha256_context *) ctx );
}
static void sha256_hmac_wrap( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha256_hmac( key, keylen, input, ilen, output, 0 );
}
static void * sha256_ctx_alloc( void )
{
return polarssl_malloc( sizeof( sha256_context ) );
}
static void sha256_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( sha256_context ) );
polarssl_free( ctx );
}
static void sha256_process_wrap( void *ctx, const unsigned char *data )
{
sha256_process( (sha256_context *) ctx, data );
}
const md_info_t sha256_info = {
POLARSSL_MD_SHA256,
"SHA256",
32,
sha256_starts_wrap,
sha256_update_wrap,
sha256_finish_wrap,
sha256_wrap,
sha256_file_wrap,
sha256_hmac_starts_wrap,
sha256_hmac_update_wrap,
sha256_hmac_finish_wrap,
sha256_hmac_reset_wrap,
sha256_hmac_wrap,
sha256_ctx_alloc,
sha256_ctx_free,
sha256_process_wrap,
};
#endif /* POLARSSL_SHA256_C */
#if defined(POLARSSL_SHA512_C)
static void sha384_starts_wrap( void *ctx )
{
sha512_starts( (sha512_context *) ctx, 1 );
}
static void sha384_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha512_update( (sha512_context *) ctx, input, ilen );
}
static void sha384_finish_wrap( void *ctx, unsigned char *output )
{
sha512_finish( (sha512_context *) ctx, output );
}
static void sha384_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha512( input, ilen, output, 1 );
}
static int sha384_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return sha512_file( path, output, 1 );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void sha384_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
sha512_hmac_starts( (sha512_context *) ctx, key, keylen, 1 );
}
static void sha384_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha512_hmac_update( (sha512_context *) ctx, input, ilen );
}
static void sha384_hmac_finish_wrap( void *ctx, unsigned char *output )
{
sha512_hmac_finish( (sha512_context *) ctx, output );
}
static void sha384_hmac_reset_wrap( void *ctx )
{
sha512_hmac_reset( (sha512_context *) ctx );
}
static void sha384_hmac_wrap( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha512_hmac( key, keylen, input, ilen, output, 1 );
}
static void * sha384_ctx_alloc( void )
{
return polarssl_malloc( sizeof( sha512_context ) );
}
static void sha384_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( sha512_context ) );
polarssl_free( ctx );
}
static void sha384_process_wrap( void *ctx, const unsigned char *data )
{
sha512_process( (sha512_context *) ctx, data );
}
const md_info_t sha384_info = {
POLARSSL_MD_SHA384,
"SHA384",
48,
sha384_starts_wrap,
sha384_update_wrap,
sha384_finish_wrap,
sha384_wrap,
sha384_file_wrap,
sha384_hmac_starts_wrap,
sha384_hmac_update_wrap,
sha384_hmac_finish_wrap,
sha384_hmac_reset_wrap,
sha384_hmac_wrap,
sha384_ctx_alloc,
sha384_ctx_free,
sha384_process_wrap,
};
static void sha512_starts_wrap( void *ctx )
{
sha512_starts( (sha512_context *) ctx, 0 );
}
static void sha512_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha512_update( (sha512_context *) ctx, input, ilen );
}
static void sha512_finish_wrap( void *ctx, unsigned char *output )
{
sha512_finish( (sha512_context *) ctx, output );
}
static void sha512_wrap( const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha512( input, ilen, output, 0 );
}
static int sha512_file_wrap( const char *path, unsigned char *output )
{
#if defined(POLARSSL_FS_IO)
return sha512_file( path, output, 0 );
#else
((void) path);
((void) output);
return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
#endif
}
static void sha512_hmac_starts_wrap( void *ctx, const unsigned char *key,
size_t keylen )
{
sha512_hmac_starts( (sha512_context *) ctx, key, keylen, 0 );
}
static void sha512_hmac_update_wrap( void *ctx, const unsigned char *input,
size_t ilen )
{
sha512_hmac_update( (sha512_context *) ctx, input, ilen );
}
static void sha512_hmac_finish_wrap( void *ctx, unsigned char *output )
{
sha512_hmac_finish( (sha512_context *) ctx, output );
}
static void sha512_hmac_reset_wrap( void *ctx )
{
sha512_hmac_reset( (sha512_context *) ctx );
}
static void sha512_hmac_wrap( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char *output )
{
sha512_hmac( key, keylen, input, ilen, output, 0 );
}
static void * sha512_ctx_alloc( void )
{
return polarssl_malloc( sizeof( sha512_context ) );
}
static void sha512_ctx_free( void *ctx )
{
polarssl_zeroize( ctx, sizeof( sha512_context ) );
polarssl_free( ctx );
}
static void sha512_process_wrap( void *ctx, const unsigned char *data )
{
sha512_process( (sha512_context *) ctx, data );
}
const md_info_t sha512_info = {
POLARSSL_MD_SHA512,
"SHA512",
64,
sha512_starts_wrap,
sha512_update_wrap,
sha512_finish_wrap,
sha512_wrap,
sha512_file_wrap,
sha512_hmac_starts_wrap,
sha512_hmac_update_wrap,
sha512_hmac_finish_wrap,
sha512_hmac_reset_wrap,
sha512_hmac_wrap,
sha512_ctx_alloc,
sha512_ctx_free,
sha512_process_wrap,
};
#endif /* POLARSSL_SHA512_C */
#endif /* POLARSSL_MD_C */