From 81db488ebe397ddba4e51e04c0719023ef18cf70 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Sun, 6 May 2012 01:46:56 +0200 Subject: Replace axTLS with PolarSSL as it does not handle secure connections well enough. --- polarssl/src/library/md.c | 297 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 297 insertions(+) create mode 100644 polarssl/src/library/md.c (limited to 'polarssl/src/library/md.c') diff --git a/polarssl/src/library/md.c b/polarssl/src/library/md.c new file mode 100644 index 0000000..96065c9 --- /dev/null +++ b/polarssl/src/library/md.c @@ -0,0 +1,297 @@ +/** + * \file md.c + * + * \brief Generic message digest wrapper for PolarSSL + * + * \author Adriaan de Jong + * + * Copyright (C) 2006-2010, Brainspark B.V. + * + * This file is part of PolarSSL (http://www.polarssl.org) + * Lead Maintainer: Paul Bakker + * + * 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. + */ + +#include "polarssl/config.h" + +#if defined(POLARSSL_MD_C) + +#include "polarssl/md.h" +#include "polarssl/md_wrap.h" + +#include + +#if defined _MSC_VER && !defined strcasecmp +#define strcasecmp _stricmp +#endif + +static const int supported_digests[] = { + +#if defined(POLARSSL_MD2_C) + POLARSSL_MD_MD2, +#endif + +#if defined(POLARSSL_MD4_C) + POLARSSL_MD_MD4, +#endif + +#if defined(POLARSSL_MD5_C) + POLARSSL_MD_MD5, +#endif + +#if defined(POLARSSL_SHA1_C) + POLARSSL_MD_SHA1, +#endif + +#if defined(POLARSSL_SHA2_C) + POLARSSL_MD_SHA224, + POLARSSL_MD_SHA256, +#endif + +#if defined(POLARSSL_SHA4_C) + POLARSSL_MD_SHA384, + POLARSSL_MD_SHA512, +#endif + + 0 +}; + +const int *md_list( void ) +{ + return supported_digests; +} + +const md_info_t *md_info_from_string( const char *md_name ) +{ + if( NULL == md_name ) + return NULL; + + /* Get the appropriate digest information */ +#if defined(POLARSSL_MD2_C) + if( !strcasecmp( "MD2", md_name ) ) + return md_info_from_type( POLARSSL_MD_MD2 ); +#endif +#if defined(POLARSSL_MD4_C) + if( !strcasecmp( "MD4", md_name ) ) + return md_info_from_type( POLARSSL_MD_MD4 ); +#endif +#if defined(POLARSSL_MD5_C) + if( !strcasecmp( "MD5", md_name ) ) + return md_info_from_type( POLARSSL_MD_MD5 ); +#endif +#if defined(POLARSSL_SHA1_C) + if( !strcasecmp( "SHA1", md_name ) || !strcasecmp( "SHA", md_name ) ) + return md_info_from_type( POLARSSL_MD_SHA1 ); +#endif +#if defined(POLARSSL_SHA2_C) + if( !strcasecmp( "SHA224", md_name ) ) + return md_info_from_type( POLARSSL_MD_SHA224 ); + if( !strcasecmp( "SHA256", md_name ) ) + return md_info_from_type( POLARSSL_MD_SHA256 ); +#endif +#if defined(POLARSSL_SHA4_C) + if( !strcasecmp( "SHA384", md_name ) ) + return md_info_from_type( POLARSSL_MD_SHA384 ); + if( !strcasecmp( "SHA512", md_name ) ) + return md_info_from_type( POLARSSL_MD_SHA512 ); +#endif + return NULL; +} + +const md_info_t *md_info_from_type( md_type_t md_type ) +{ + switch( md_type ) + { +#if defined(POLARSSL_MD2_C) + case POLARSSL_MD_MD2: + return &md2_info; +#endif +#if defined(POLARSSL_MD4_C) + case POLARSSL_MD_MD4: + return &md4_info; +#endif +#if defined(POLARSSL_MD5_C) + case POLARSSL_MD_MD5: + return &md5_info; +#endif +#if defined(POLARSSL_SHA1_C) + case POLARSSL_MD_SHA1: + return &sha1_info; +#endif +#if defined(POLARSSL_SHA2_C) + case POLARSSL_MD_SHA224: + return &sha224_info; + case POLARSSL_MD_SHA256: + return &sha256_info; +#endif +#if defined(POLARSSL_SHA4_C) + case POLARSSL_MD_SHA384: + return &sha384_info; + case POLARSSL_MD_SHA512: + return &sha512_info; +#endif + default: + return NULL; + } +} + +int md_init_ctx( md_context_t *ctx, const md_info_t *md_info ) +{ + if( md_info == NULL || ctx == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + memset( ctx, 0, sizeof( md_context_t ) ); + + if( ( ctx->md_ctx = md_info->ctx_alloc_func() ) == NULL ) + return POLARSSL_ERR_MD_ALLOC_FAILED; + + ctx->md_info = md_info; + + md_info->starts_func( ctx->md_ctx ); + + return 0; +} + +int md_free_ctx( md_context_t *ctx ) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->ctx_free_func( ctx->md_ctx ); + ctx->md_ctx = NULL; + + return 0; +} + +int md_starts( md_context_t *ctx ) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->starts_func( ctx->md_ctx ); + + return 0; +} + +int md_update( md_context_t *ctx, const unsigned char *input, size_t ilen ) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->update_func( ctx->md_ctx, input, ilen ); + + return 0; +} + +int md_finish( md_context_t *ctx, unsigned char *output ) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->finish_func( ctx->md_ctx, output ); + + return 0; +} + +int md( const md_info_t *md_info, const unsigned char *input, size_t ilen, + unsigned char *output ) +{ + if ( md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + md_info->digest_func( input, ilen, output ); + + return 0; +} + +int md_file( const md_info_t *md_info, const char *path, unsigned char *output ) +{ +#if defined(POLARSSL_FS_IO) + int ret; +#endif + + if( md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + +#if defined(POLARSSL_FS_IO) + ret = md_info->file_func( path, output ); + if( ret != 0 ) + return( POLARSSL_ERR_MD_FILE_IO_ERROR + ret ); + + return( ret ); +#else + ((void) path); + ((void) output); + + return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; +#endif +} + +int md_hmac_starts( md_context_t *ctx, const unsigned char *key, size_t keylen ) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->hmac_starts_func( ctx->md_ctx, key, keylen); + + return 0; +} + +int md_hmac_update( md_context_t *ctx, const unsigned char *input, size_t ilen ) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->hmac_update_func( ctx->md_ctx, input, ilen ); + + return 0; +} + +int md_hmac_finish( md_context_t *ctx, unsigned char *output) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->hmac_finish_func( ctx->md_ctx, output); + + return 0; +} + +int md_hmac_reset( md_context_t *ctx ) +{ + if( ctx == NULL || ctx->md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + ctx->md_info->hmac_reset_func( ctx->md_ctx); + + return 0; +} + +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 ) +{ + if( md_info == NULL ) + return POLARSSL_ERR_MD_BAD_INPUT_DATA; + + md_info->hmac_func( key, keylen, input, ilen, output ); + + return 0; +} + +#endif -- cgit v1.2.3