Hannes Tschofenig
/
aes-gcm-test-program
Example program to test AES-GCM functionality. Used for a workshop
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sha1.h
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00001 /** 00002 * \file sha1.h 00003 * 00004 * \brief SHA-1 cryptographic 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_SHA1_H 00028 #define POLARSSL_SHA1_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_SHA1_FILE_IO_ERROR -0x0076 /**< Read/write error in file. */ 00046 00047 #if !defined(POLARSSL_SHA1_ALT) 00048 // Regular implementation 00049 // 00050 00051 #ifdef __cplusplus 00052 extern "C" { 00053 #endif 00054 00055 /** 00056 * \brief SHA-1 context structure 00057 */ 00058 typedef struct 00059 { 00060 uint32_t total[2]; /*!< number of bytes processed */ 00061 uint32_t state[5]; /*!< 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 sha1_context; 00068 00069 /** 00070 * \brief SHA-1 context setup 00071 * 00072 * \param ctx context to be initialized 00073 */ 00074 void sha1_starts( sha1_context *ctx ); 00075 00076 /** 00077 * \brief SHA-1 process buffer 00078 * 00079 * \param ctx SHA-1 context 00080 * \param input buffer holding the data 00081 * \param ilen length of the input data 00082 */ 00083 void sha1_update( sha1_context *ctx, const unsigned char *input, size_t ilen ); 00084 00085 /** 00086 * \brief SHA-1 final digest 00087 * 00088 * \param ctx SHA-1 context 00089 * \param output SHA-1 checksum result 00090 */ 00091 void sha1_finish( sha1_context *ctx, unsigned char output[20] ); 00092 00093 /* Internal use */ 00094 void sha1_process( sha1_context *ctx, const unsigned char data[64] ); 00095 00096 #ifdef __cplusplus 00097 } 00098 #endif 00099 00100 #else /* POLARSSL_SHA1_ALT */ 00101 #include "sha1_alt.h" 00102 #endif /* POLARSSL_SHA1_ALT */ 00103 00104 #ifdef __cplusplus 00105 extern "C" { 00106 #endif 00107 00108 /** 00109 * \brief Output = SHA-1( input buffer ) 00110 * 00111 * \param input buffer holding the data 00112 * \param ilen length of the input data 00113 * \param output SHA-1 checksum result 00114 */ 00115 void sha1( const unsigned char *input, size_t ilen, unsigned char output[20] ); 00116 00117 /** 00118 * \brief Output = SHA-1( file contents ) 00119 * 00120 * \param path input file name 00121 * \param output SHA-1 checksum result 00122 * 00123 * \return 0 if successful, or POLARSSL_ERR_SHA1_FILE_IO_ERROR 00124 */ 00125 int sha1_file( const char *path, unsigned char output[20] ); 00126 00127 /** 00128 * \brief SHA-1 HMAC context setup 00129 * 00130 * \param ctx HMAC context to be initialized 00131 * \param key HMAC secret key 00132 * \param keylen length of the HMAC key 00133 */ 00134 void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, 00135 size_t keylen ); 00136 00137 /** 00138 * \brief SHA-1 HMAC process buffer 00139 * 00140 * \param ctx HMAC context 00141 * \param input buffer holding the data 00142 * \param ilen length of the input data 00143 */ 00144 void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, 00145 size_t ilen ); 00146 00147 /** 00148 * \brief SHA-1 HMAC final digest 00149 * 00150 * \param ctx HMAC context 00151 * \param output SHA-1 HMAC checksum result 00152 */ 00153 void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] ); 00154 00155 /** 00156 * \brief SHA-1 HMAC context reset 00157 * 00158 * \param ctx HMAC context to be reset 00159 */ 00160 void sha1_hmac_reset( sha1_context *ctx ); 00161 00162 /** 00163 * \brief Output = HMAC-SHA-1( hmac key, input buffer ) 00164 * 00165 * \param key HMAC secret key 00166 * \param keylen length of the HMAC key 00167 * \param input buffer holding the data 00168 * \param ilen length of the input data 00169 * \param output HMAC-SHA-1 result 00170 */ 00171 void sha1_hmac( const unsigned char *key, size_t keylen, 00172 const unsigned char *input, size_t ilen, 00173 unsigned char output[20] ); 00174 00175 /** 00176 * \brief Checkup routine 00177 * 00178 * \return 0 if successful, or 1 if the test failed 00179 */ 00180 int sha1_self_test( int verbose ); 00181 00182 #ifdef __cplusplus 00183 } 00184 #endif 00185 00186 #endif /* sha1.h */ 00187 00188
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