Embedded C project:18/12/2014

Dependencies:   DS1307 TextLCD mbed

Committer:
ninoderkinderen
Date:
Thu Dec 18 09:35:49 2014 +0000
Revision:
0:8d87bc453349
Programma embedded C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ninoderkinderen 0:8d87bc453349 1 /*
ninoderkinderen 0:8d87bc453349 2 * \file sha1.h
ninoderkinderen 0:8d87bc453349 3 *
ninoderkinderen 0:8d87bc453349 4 * Copyright (C) 2006-2010, Paul Bakker <polarssl_maintainer at polarssl.org>
ninoderkinderen 0:8d87bc453349 5 * All rights reserved.
ninoderkinderen 0:8d87bc453349 6 *
ninoderkinderen 0:8d87bc453349 7 * This program is free software; you can redistribute it and/or modify
ninoderkinderen 0:8d87bc453349 8 * it under the terms of the GNU General Public License as published by
ninoderkinderen 0:8d87bc453349 9 * the Free Software Foundation; either version 2 of the License, or
ninoderkinderen 0:8d87bc453349 10 * (at your option) any later version.
ninoderkinderen 0:8d87bc453349 11 *
ninoderkinderen 0:8d87bc453349 12 * This program is distributed in the hope that it will be useful,
ninoderkinderen 0:8d87bc453349 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ninoderkinderen 0:8d87bc453349 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ninoderkinderen 0:8d87bc453349 15 * GNU General Public License for more details.
ninoderkinderen 0:8d87bc453349 16 *
ninoderkinderen 0:8d87bc453349 17 * You should have received a copy of the GNU General Public License along
ninoderkinderen 0:8d87bc453349 18 * with this program; if not, write to the Free Software Foundation, Inc.,
ninoderkinderen 0:8d87bc453349 19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
ninoderkinderen 0:8d87bc453349 20 */
ninoderkinderen 0:8d87bc453349 21 #ifndef POLARSSL_SHA1_H
ninoderkinderen 0:8d87bc453349 22 #define POLARSSL_SHA1_H
ninoderkinderen 0:8d87bc453349 23
ninoderkinderen 0:8d87bc453349 24 /*
ninoderkinderen 0:8d87bc453349 25 * \brief SHA-1 context structure
ninoderkinderen 0:8d87bc453349 26 */
ninoderkinderen 0:8d87bc453349 27 typedef struct
ninoderkinderen 0:8d87bc453349 28 {
ninoderkinderen 0:8d87bc453349 29 unsigned long total[2]; /*!< number of bytes processed */
ninoderkinderen 0:8d87bc453349 30 unsigned long state[5]; /*!< intermediate digest state */
ninoderkinderen 0:8d87bc453349 31 unsigned char buffer[64]; /*!< data block being processed */
ninoderkinderen 0:8d87bc453349 32
ninoderkinderen 0:8d87bc453349 33 unsigned char ipad[64]; /*!< HMAC: inner padding */
ninoderkinderen 0:8d87bc453349 34 unsigned char opad[64]; /*!< HMAC: outer padding */
ninoderkinderen 0:8d87bc453349 35 }
ninoderkinderen 0:8d87bc453349 36 sha1_context;
ninoderkinderen 0:8d87bc453349 37
ninoderkinderen 0:8d87bc453349 38 #ifdef __cplusplus
ninoderkinderen 0:8d87bc453349 39 extern "C" {
ninoderkinderen 0:8d87bc453349 40 #endif
ninoderkinderen 0:8d87bc453349 41
ninoderkinderen 0:8d87bc453349 42 /*
ninoderkinderen 0:8d87bc453349 43 * \brief SHA-1 context setup
ninoderkinderen 0:8d87bc453349 44 *
ninoderkinderen 0:8d87bc453349 45 * \param ctx context to be initialized
ninoderkinderen 0:8d87bc453349 46 */
ninoderkinderen 0:8d87bc453349 47 void sha1_starts( sha1_context *ctx );
ninoderkinderen 0:8d87bc453349 48
ninoderkinderen 0:8d87bc453349 49 /*
ninoderkinderen 0:8d87bc453349 50 * \brief SHA-1 process buffer
ninoderkinderen 0:8d87bc453349 51 *
ninoderkinderen 0:8d87bc453349 52 * \param ctx SHA-1 context
ninoderkinderen 0:8d87bc453349 53 * \param input buffer holding the data
ninoderkinderen 0:8d87bc453349 54 * \param ilen length of the input data
ninoderkinderen 0:8d87bc453349 55 */
ninoderkinderen 0:8d87bc453349 56 void sha1_update( sha1_context *ctx, const unsigned char *input, int ilen );
ninoderkinderen 0:8d87bc453349 57
ninoderkinderen 0:8d87bc453349 58 /*
ninoderkinderen 0:8d87bc453349 59 * \brief SHA-1 final digest
ninoderkinderen 0:8d87bc453349 60 *
ninoderkinderen 0:8d87bc453349 61 * \param ctx SHA-1 context
ninoderkinderen 0:8d87bc453349 62 * \param output SHA-1 checksum result
ninoderkinderen 0:8d87bc453349 63 */
ninoderkinderen 0:8d87bc453349 64 void sha1_finish( sha1_context *ctx, unsigned char output[20] );
ninoderkinderen 0:8d87bc453349 65
ninoderkinderen 0:8d87bc453349 66 /*
ninoderkinderen 0:8d87bc453349 67 * \brief Output = SHA-1( input buffer )
ninoderkinderen 0:8d87bc453349 68 *
ninoderkinderen 0:8d87bc453349 69 * \param input buffer holding the data
ninoderkinderen 0:8d87bc453349 70 * \param ilen length of the input data
ninoderkinderen 0:8d87bc453349 71 * \param output SHA-1 checksum result
ninoderkinderen 0:8d87bc453349 72 */
ninoderkinderen 0:8d87bc453349 73 void sha1( const unsigned char *input, int ilen, unsigned char output[20] );
ninoderkinderen 0:8d87bc453349 74
ninoderkinderen 0:8d87bc453349 75 #if 0 //No need for that
ninoderkinderen 0:8d87bc453349 76 /*
ninoderkinderen 0:8d87bc453349 77 * \brief Output = SHA-1( file contents )
ninoderkinderen 0:8d87bc453349 78 *
ninoderkinderen 0:8d87bc453349 79 * \param path input file name
ninoderkinderen 0:8d87bc453349 80 * \param output SHA-1 checksum result
ninoderkinderen 0:8d87bc453349 81 *
ninoderkinderen 0:8d87bc453349 82 * \return 0 if successful, 1 if fopen failed,
ninoderkinderen 0:8d87bc453349 83 * or 2 if fread failed
ninoderkinderen 0:8d87bc453349 84 */
ninoderkinderen 0:8d87bc453349 85 int sha1_file( const char *path, unsigned char output[20] );
ninoderkinderen 0:8d87bc453349 86 #endif
ninoderkinderen 0:8d87bc453349 87
ninoderkinderen 0:8d87bc453349 88 /*
ninoderkinderen 0:8d87bc453349 89 * \brief SHA-1 HMAC context setup
ninoderkinderen 0:8d87bc453349 90 *
ninoderkinderen 0:8d87bc453349 91 * \param ctx HMAC context to be initialized
ninoderkinderen 0:8d87bc453349 92 * \param key HMAC secret key
ninoderkinderen 0:8d87bc453349 93 * \param keylen length of the HMAC key
ninoderkinderen 0:8d87bc453349 94 */
ninoderkinderen 0:8d87bc453349 95 void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, int keylen );
ninoderkinderen 0:8d87bc453349 96
ninoderkinderen 0:8d87bc453349 97 /*
ninoderkinderen 0:8d87bc453349 98 * \brief SHA-1 HMAC process buffer
ninoderkinderen 0:8d87bc453349 99 *
ninoderkinderen 0:8d87bc453349 100 * \param ctx HMAC context
ninoderkinderen 0:8d87bc453349 101 * \param input buffer holding the data
ninoderkinderen 0:8d87bc453349 102 * \param ilen length of the input data
ninoderkinderen 0:8d87bc453349 103 */
ninoderkinderen 0:8d87bc453349 104 void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, int ilen );
ninoderkinderen 0:8d87bc453349 105
ninoderkinderen 0:8d87bc453349 106 /*
ninoderkinderen 0:8d87bc453349 107 * \brief SHA-1 HMAC final digest
ninoderkinderen 0:8d87bc453349 108 *
ninoderkinderen 0:8d87bc453349 109 * \param ctx HMAC context
ninoderkinderen 0:8d87bc453349 110 * \param output SHA-1 HMAC checksum result
ninoderkinderen 0:8d87bc453349 111 */
ninoderkinderen 0:8d87bc453349 112 void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] );
ninoderkinderen 0:8d87bc453349 113
ninoderkinderen 0:8d87bc453349 114 /*
ninoderkinderen 0:8d87bc453349 115 * \brief SHA-1 HMAC context reset
ninoderkinderen 0:8d87bc453349 116 *
ninoderkinderen 0:8d87bc453349 117 * \param ctx HMAC context to be reset
ninoderkinderen 0:8d87bc453349 118 */
ninoderkinderen 0:8d87bc453349 119 void sha1_hmac_reset( sha1_context *ctx );
ninoderkinderen 0:8d87bc453349 120
ninoderkinderen 0:8d87bc453349 121 /*
ninoderkinderen 0:8d87bc453349 122 * \brief Output = HMAC-SHA-1( hmac key, input buffer )
ninoderkinderen 0:8d87bc453349 123 *
ninoderkinderen 0:8d87bc453349 124 * \param key HMAC secret key
ninoderkinderen 0:8d87bc453349 125 * \param keylen length of the HMAC key
ninoderkinderen 0:8d87bc453349 126 * \param input buffer holding the data
ninoderkinderen 0:8d87bc453349 127 * \param ilen length of the input data
ninoderkinderen 0:8d87bc453349 128 * \param output HMAC-SHA-1 result
ninoderkinderen 0:8d87bc453349 129 */
ninoderkinderen 0:8d87bc453349 130 void sha1_hmac( const unsigned char *key, int keylen,
ninoderkinderen 0:8d87bc453349 131 const unsigned char *input, int ilen,
ninoderkinderen 0:8d87bc453349 132 unsigned char output[20] );
ninoderkinderen 0:8d87bc453349 133
ninoderkinderen 0:8d87bc453349 134 /*
ninoderkinderen 0:8d87bc453349 135 * \brief Checkup routine
ninoderkinderen 0:8d87bc453349 136 *
ninoderkinderen 0:8d87bc453349 137 * \return 0 if successful, or 1 if the test failed
ninoderkinderen 0:8d87bc453349 138 */
ninoderkinderen 0:8d87bc453349 139 int sha1_self_test( int verbose );
ninoderkinderen 0:8d87bc453349 140
ninoderkinderen 0:8d87bc453349 141 #ifdef __cplusplus
ninoderkinderen 0:8d87bc453349 142 }
ninoderkinderen 0:8d87bc453349 143 #endif
ninoderkinderen 0:8d87bc453349 144
ninoderkinderen 0:8d87bc453349 145 #endif /* sha1.h */