Hannes Tschofenig
/
aes-gcm-test-program
Example program to test AES-GCM functionality. Used for a workshop
Diff: SSL/include/polarssl/md5.h
- Revision:
- 0:796d0f61a05b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SSL/include/polarssl/md5.h Thu Sep 27 06:34:22 2018 +0000 @@ -0,0 +1,188 @@ +/** + * \file md5.h + * + * \brief MD5 message digest algorithm (hash function) + * + * 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. + */ +#ifndef POLARSSL_MD5_H +#define POLARSSL_MD5_H + +#if !defined(POLARSSL_CONFIG_FILE) +#include "config.h" +#else +#include POLARSSL_CONFIG_FILE +#endif + +#include <string.h> + +#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32) +#include <basetsd.h> +typedef UINT32 uint32_t; +#else +#include <inttypes.h> +#endif + +#define POLARSSL_ERR_MD5_FILE_IO_ERROR -0x0074 /**< Read/write error in file. */ + +#if !defined(POLARSSL_MD5_ALT) +// Regular implementation +// + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief MD5 context structure + */ +typedef struct +{ + uint32_t total[2]; /*!< number of bytes processed */ + uint32_t state[4]; /*!< intermediate digest state */ + unsigned char buffer[64]; /*!< data block being processed */ + + unsigned char ipad[64]; /*!< HMAC: inner padding */ + unsigned char opad[64]; /*!< HMAC: outer padding */ +} +md5_context; + +/** + * \brief MD5 context setup + * + * \param ctx context to be initialized + */ +void md5_starts( md5_context *ctx ); + +/** + * \brief MD5 process buffer + * + * \param ctx MD5 context + * \param input buffer holding the data + * \param ilen length of the input data + */ +void md5_update( md5_context *ctx, const unsigned char *input, size_t ilen ); + +/** + * \brief MD5 final digest + * + * \param ctx MD5 context + * \param output MD5 checksum result + */ +void md5_finish( md5_context *ctx, unsigned char output[16] ); + +/* Internal use */ +void md5_process( md5_context *ctx, const unsigned char data[64] ); + +#ifdef __cplusplus +} +#endif + +#else /* POLARSSL_MD5_ALT */ +#include "md5_alt.h" +#endif /* POLARSSL_MD5_ALT */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief Output = MD5( input buffer ) + * + * \param input buffer holding the data + * \param ilen length of the input data + * \param output MD5 checksum result + */ +void md5( const unsigned char *input, size_t ilen, unsigned char output[16] ); + +/** + * \brief Output = MD5( file contents ) + * + * \param path input file name + * \param output MD5 checksum result + * + * \return 0 if successful, or POLARSSL_ERR_MD5_FILE_IO_ERROR + */ +int md5_file( const char *path, unsigned char output[16] ); + +/** + * \brief MD5 HMAC context setup + * + * \param ctx HMAC context to be initialized + * \param key HMAC secret key + * \param keylen length of the HMAC key + */ +void md5_hmac_starts( md5_context *ctx, + const unsigned char *key, size_t keylen ); + +/** + * \brief MD5 HMAC process buffer + * + * \param ctx HMAC context + * \param input buffer holding the data + * \param ilen length of the input data + */ +void md5_hmac_update( md5_context *ctx, + const unsigned char *input, size_t ilen ); + +/** + * \brief MD5 HMAC final digest + * + * \param ctx HMAC context + * \param output MD5 HMAC checksum result + */ +void md5_hmac_finish( md5_context *ctx, unsigned char output[16] ); + +/** + * \brief MD5 HMAC context reset + * + * \param ctx HMAC context to be reset + */ +void md5_hmac_reset( md5_context *ctx ); + +/** + * \brief Output = HMAC-MD5( hmac key, input buffer ) + * + * \param key HMAC secret key + * \param keylen length of the HMAC key + * \param input buffer holding the data + * \param ilen length of the input data + * \param output HMAC-MD5 result + */ +void md5_hmac( const unsigned char *key, size_t keylen, + const unsigned char *input, size_t ilen, + unsigned char output[16] ); + +/** + * \brief Checkup routine + * + * \return 0 if successful, or 1 if the test failed + */ +int md5_self_test( int verbose ); + +#ifdef __cplusplus +} +#endif + +#endif /* md5.h */ + +