Hannes Tschofenig
/
aes-gcm-test-program
Example program to test AES-GCM functionality. Used for a workshop
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md4.h
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00001 /** 00002 * \file md4.h 00003 * 00004 * \brief MD4 message digest algorithm (hash function) 00005 * 00006 * Copyright (C) 2006-2014, Brainspark B.V. 00007 * 00008 * This file is part of PolarSSL (http://www.polarssl.org) 00009 * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> 00010 * 00011 * All rights reserved. 00012 * 00013 * This program is free software; you can redistribute it and/or modify 00014 * it under the terms of the GNU General Public License as published by 00015 * the Free Software Foundation; either version 2 of the License, or 00016 * (at your option) any later version. 00017 * 00018 * This program is distributed in the hope that it will be useful, 00019 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00020 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00021 * GNU General Public License for more details. 00022 * 00023 * You should have received a copy of the GNU General Public License along 00024 * with this program; if not, write to the Free Software Foundation, Inc., 00025 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00026 */ 00027 #ifndef POLARSSL_MD4_H 00028 #define POLARSSL_MD4_H 00029 00030 #if !defined(POLARSSL_CONFIG_FILE) 00031 #include "config.h" 00032 #else 00033 #include POLARSSL_CONFIG_FILE 00034 #endif 00035 00036 #include <string.h> 00037 00038 #if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32) 00039 #include <basetsd.h> 00040 typedef UINT32 uint32_t; 00041 #else 00042 #include <inttypes.h> 00043 #endif 00044 00045 #define POLARSSL_ERR_MD4_FILE_IO_ERROR -0x0072 /**< Read/write error in file. */ 00046 00047 #if !defined(POLARSSL_MD4_ALT) 00048 // Regular implementation 00049 // 00050 00051 #ifdef __cplusplus 00052 extern "C" { 00053 #endif 00054 00055 /** 00056 * \brief MD4 context structure 00057 */ 00058 typedef struct 00059 { 00060 uint32_t total[2]; /*!< number of bytes processed */ 00061 uint32_t state[4]; /*!< intermediate digest state */ 00062 unsigned char buffer[64]; /*!< data block being processed */ 00063 00064 unsigned char ipad[64]; /*!< HMAC: inner padding */ 00065 unsigned char opad[64]; /*!< HMAC: outer padding */ 00066 } 00067 md4_context; 00068 00069 /** 00070 * \brief MD4 context setup 00071 * 00072 * \param ctx context to be initialized 00073 */ 00074 void md4_starts( md4_context *ctx ); 00075 00076 /** 00077 * \brief MD4 process buffer 00078 * 00079 * \param ctx MD4 context 00080 * \param input buffer holding the data 00081 * \param ilen length of the input data 00082 */ 00083 void md4_update( md4_context *ctx, const unsigned char *input, size_t ilen ); 00084 00085 /** 00086 * \brief MD4 final digest 00087 * 00088 * \param ctx MD4 context 00089 * \param output MD4 checksum result 00090 */ 00091 void md4_finish( md4_context *ctx, unsigned char output[16] ); 00092 00093 #ifdef __cplusplus 00094 } 00095 #endif 00096 00097 #else /* POLARSSL_MD4_ALT */ 00098 #include "md4_alt.h" 00099 #endif /* POLARSSL_MD4_ALT */ 00100 00101 #ifdef __cplusplus 00102 extern "C" { 00103 #endif 00104 00105 /** 00106 * \brief Output = MD4( input buffer ) 00107 * 00108 * \param input buffer holding the data 00109 * \param ilen length of the input data 00110 * \param output MD4 checksum result 00111 */ 00112 void md4( const unsigned char *input, size_t ilen, unsigned char output[16] ); 00113 00114 /** 00115 * \brief Output = MD4( file contents ) 00116 * 00117 * \param path input file name 00118 * \param output MD4 checksum result 00119 * 00120 * \return 0 if successful, or POLARSSL_ERR_MD4_FILE_IO_ERROR 00121 */ 00122 int md4_file( const char *path, unsigned char output[16] ); 00123 00124 /** 00125 * \brief MD4 HMAC context setup 00126 * 00127 * \param ctx HMAC context to be initialized 00128 * \param key HMAC secret key 00129 * \param keylen length of the HMAC key 00130 */ 00131 void md4_hmac_starts( md4_context *ctx, const unsigned char *key, 00132 size_t keylen ); 00133 00134 /** 00135 * \brief MD4 HMAC process buffer 00136 * 00137 * \param ctx HMAC context 00138 * \param input buffer holding the data 00139 * \param ilen length of the input data 00140 */ 00141 void md4_hmac_update( md4_context *ctx, const unsigned char *input, 00142 size_t ilen ); 00143 00144 /** 00145 * \brief MD4 HMAC final digest 00146 * 00147 * \param ctx HMAC context 00148 * \param output MD4 HMAC checksum result 00149 */ 00150 void md4_hmac_finish( md4_context *ctx, unsigned char output[16] ); 00151 00152 /** 00153 * \brief MD4 HMAC context reset 00154 * 00155 * \param ctx HMAC context to be reset 00156 */ 00157 void md4_hmac_reset( md4_context *ctx ); 00158 00159 /** 00160 * \brief Output = HMAC-MD4( hmac key, input buffer ) 00161 * 00162 * \param key HMAC secret key 00163 * \param keylen length of the HMAC key 00164 * \param input buffer holding the data 00165 * \param ilen length of the input data 00166 * \param output HMAC-MD4 result 00167 */ 00168 void md4_hmac( const unsigned char *key, size_t keylen, 00169 const unsigned char *input, size_t ilen, 00170 unsigned char output[16] ); 00171 00172 /** 00173 * \brief Checkup routine 00174 * 00175 * \return 0 if successful, or 1 if the test failed 00176 */ 00177 int md4_self_test( int verbose ); 00178 00179 /* Internal use */ 00180 void md4_process( md4_context *ctx, const unsigned char data[64] ); 00181 00182 #ifdef __cplusplus 00183 } 00184 #endif 00185 00186 #endif /* md4.h */ 00187 00188
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