This short program illustrates how to use the DS130x_I2C library. My objective is to share the same RTC with Microchip 18F MCU.
Dependencies: mbed DebugLibrary
NetServices/services/mysql/sha1.h@0:f30e2135b0db, 2011-02-09 (annotated)
- Committer:
- Yann
- Date:
- Wed Feb 09 13:57:49 2011 +0000
- Revision:
- 0:f30e2135b0db
V0.0.0.1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Yann | 0:f30e2135b0db | 1 | /* |
Yann | 0:f30e2135b0db | 2 | * \file sha1.h |
Yann | 0:f30e2135b0db | 3 | * |
Yann | 0:f30e2135b0db | 4 | * Copyright (C) 2006-2010, Paul Bakker <polarssl_maintainer at polarssl.org> |
Yann | 0:f30e2135b0db | 5 | * All rights reserved. |
Yann | 0:f30e2135b0db | 6 | * |
Yann | 0:f30e2135b0db | 7 | * This program is free software; you can redistribute it and/or modify |
Yann | 0:f30e2135b0db | 8 | * it under the terms of the GNU General Public License as published by |
Yann | 0:f30e2135b0db | 9 | * the Free Software Foundation; either version 2 of the License, or |
Yann | 0:f30e2135b0db | 10 | * (at your option) any later version. |
Yann | 0:f30e2135b0db | 11 | * |
Yann | 0:f30e2135b0db | 12 | * This program is distributed in the hope that it will be useful, |
Yann | 0:f30e2135b0db | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Yann | 0:f30e2135b0db | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Yann | 0:f30e2135b0db | 15 | * GNU General Public License for more details. |
Yann | 0:f30e2135b0db | 16 | * |
Yann | 0:f30e2135b0db | 17 | * You should have received a copy of the GNU General Public License along |
Yann | 0:f30e2135b0db | 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
Yann | 0:f30e2135b0db | 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
Yann | 0:f30e2135b0db | 20 | */ |
Yann | 0:f30e2135b0db | 21 | #ifndef POLARSSL_SHA1_H |
Yann | 0:f30e2135b0db | 22 | #define POLARSSL_SHA1_H |
Yann | 0:f30e2135b0db | 23 | |
Yann | 0:f30e2135b0db | 24 | /* |
Yann | 0:f30e2135b0db | 25 | * \brief SHA-1 context structure |
Yann | 0:f30e2135b0db | 26 | */ |
Yann | 0:f30e2135b0db | 27 | typedef struct |
Yann | 0:f30e2135b0db | 28 | { |
Yann | 0:f30e2135b0db | 29 | unsigned long total[2]; /*!< number of bytes processed */ |
Yann | 0:f30e2135b0db | 30 | unsigned long state[5]; /*!< intermediate digest state */ |
Yann | 0:f30e2135b0db | 31 | unsigned char buffer[64]; /*!< data block being processed */ |
Yann | 0:f30e2135b0db | 32 | |
Yann | 0:f30e2135b0db | 33 | unsigned char ipad[64]; /*!< HMAC: inner padding */ |
Yann | 0:f30e2135b0db | 34 | unsigned char opad[64]; /*!< HMAC: outer padding */ |
Yann | 0:f30e2135b0db | 35 | } |
Yann | 0:f30e2135b0db | 36 | sha1_context; |
Yann | 0:f30e2135b0db | 37 | |
Yann | 0:f30e2135b0db | 38 | #ifdef __cplusplus |
Yann | 0:f30e2135b0db | 39 | extern "C" { |
Yann | 0:f30e2135b0db | 40 | #endif |
Yann | 0:f30e2135b0db | 41 | |
Yann | 0:f30e2135b0db | 42 | /* |
Yann | 0:f30e2135b0db | 43 | * \brief SHA-1 context setup |
Yann | 0:f30e2135b0db | 44 | * |
Yann | 0:f30e2135b0db | 45 | * \param ctx context to be initialized |
Yann | 0:f30e2135b0db | 46 | */ |
Yann | 0:f30e2135b0db | 47 | void sha1_starts( sha1_context *ctx ); |
Yann | 0:f30e2135b0db | 48 | |
Yann | 0:f30e2135b0db | 49 | /* |
Yann | 0:f30e2135b0db | 50 | * \brief SHA-1 process buffer |
Yann | 0:f30e2135b0db | 51 | * |
Yann | 0:f30e2135b0db | 52 | * \param ctx SHA-1 context |
Yann | 0:f30e2135b0db | 53 | * \param input buffer holding the data |
Yann | 0:f30e2135b0db | 54 | * \param ilen length of the input data |
Yann | 0:f30e2135b0db | 55 | */ |
Yann | 0:f30e2135b0db | 56 | void sha1_update( sha1_context *ctx, const unsigned char *input, int ilen ); |
Yann | 0:f30e2135b0db | 57 | |
Yann | 0:f30e2135b0db | 58 | /* |
Yann | 0:f30e2135b0db | 59 | * \brief SHA-1 final digest |
Yann | 0:f30e2135b0db | 60 | * |
Yann | 0:f30e2135b0db | 61 | * \param ctx SHA-1 context |
Yann | 0:f30e2135b0db | 62 | * \param output SHA-1 checksum result |
Yann | 0:f30e2135b0db | 63 | */ |
Yann | 0:f30e2135b0db | 64 | void sha1_finish( sha1_context *ctx, unsigned char output[20] ); |
Yann | 0:f30e2135b0db | 65 | |
Yann | 0:f30e2135b0db | 66 | /* |
Yann | 0:f30e2135b0db | 67 | * \brief Output = SHA-1( input buffer ) |
Yann | 0:f30e2135b0db | 68 | * |
Yann | 0:f30e2135b0db | 69 | * \param input buffer holding the data |
Yann | 0:f30e2135b0db | 70 | * \param ilen length of the input data |
Yann | 0:f30e2135b0db | 71 | * \param output SHA-1 checksum result |
Yann | 0:f30e2135b0db | 72 | */ |
Yann | 0:f30e2135b0db | 73 | void sha1( const unsigned char *input, int ilen, unsigned char output[20] ); |
Yann | 0:f30e2135b0db | 74 | |
Yann | 0:f30e2135b0db | 75 | #if 0 //No need for that |
Yann | 0:f30e2135b0db | 76 | /* |
Yann | 0:f30e2135b0db | 77 | * \brief Output = SHA-1( file contents ) |
Yann | 0:f30e2135b0db | 78 | * |
Yann | 0:f30e2135b0db | 79 | * \param path input file name |
Yann | 0:f30e2135b0db | 80 | * \param output SHA-1 checksum result |
Yann | 0:f30e2135b0db | 81 | * |
Yann | 0:f30e2135b0db | 82 | * \return 0 if successful, 1 if fopen failed, |
Yann | 0:f30e2135b0db | 83 | * or 2 if fread failed |
Yann | 0:f30e2135b0db | 84 | */ |
Yann | 0:f30e2135b0db | 85 | int sha1_file( const char *path, unsigned char output[20] ); |
Yann | 0:f30e2135b0db | 86 | #endif |
Yann | 0:f30e2135b0db | 87 | |
Yann | 0:f30e2135b0db | 88 | /* |
Yann | 0:f30e2135b0db | 89 | * \brief SHA-1 HMAC context setup |
Yann | 0:f30e2135b0db | 90 | * |
Yann | 0:f30e2135b0db | 91 | * \param ctx HMAC context to be initialized |
Yann | 0:f30e2135b0db | 92 | * \param key HMAC secret key |
Yann | 0:f30e2135b0db | 93 | * \param keylen length of the HMAC key |
Yann | 0:f30e2135b0db | 94 | */ |
Yann | 0:f30e2135b0db | 95 | void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, int keylen ); |
Yann | 0:f30e2135b0db | 96 | |
Yann | 0:f30e2135b0db | 97 | /* |
Yann | 0:f30e2135b0db | 98 | * \brief SHA-1 HMAC process buffer |
Yann | 0:f30e2135b0db | 99 | * |
Yann | 0:f30e2135b0db | 100 | * \param ctx HMAC context |
Yann | 0:f30e2135b0db | 101 | * \param input buffer holding the data |
Yann | 0:f30e2135b0db | 102 | * \param ilen length of the input data |
Yann | 0:f30e2135b0db | 103 | */ |
Yann | 0:f30e2135b0db | 104 | void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, int ilen ); |
Yann | 0:f30e2135b0db | 105 | |
Yann | 0:f30e2135b0db | 106 | /* |
Yann | 0:f30e2135b0db | 107 | * \brief SHA-1 HMAC final digest |
Yann | 0:f30e2135b0db | 108 | * |
Yann | 0:f30e2135b0db | 109 | * \param ctx HMAC context |
Yann | 0:f30e2135b0db | 110 | * \param output SHA-1 HMAC checksum result |
Yann | 0:f30e2135b0db | 111 | */ |
Yann | 0:f30e2135b0db | 112 | void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] ); |
Yann | 0:f30e2135b0db | 113 | |
Yann | 0:f30e2135b0db | 114 | /* |
Yann | 0:f30e2135b0db | 115 | * \brief SHA-1 HMAC context reset |
Yann | 0:f30e2135b0db | 116 | * |
Yann | 0:f30e2135b0db | 117 | * \param ctx HMAC context to be reset |
Yann | 0:f30e2135b0db | 118 | */ |
Yann | 0:f30e2135b0db | 119 | void sha1_hmac_reset( sha1_context *ctx ); |
Yann | 0:f30e2135b0db | 120 | |
Yann | 0:f30e2135b0db | 121 | /* |
Yann | 0:f30e2135b0db | 122 | * \brief Output = HMAC-SHA-1( hmac key, input buffer ) |
Yann | 0:f30e2135b0db | 123 | * |
Yann | 0:f30e2135b0db | 124 | * \param key HMAC secret key |
Yann | 0:f30e2135b0db | 125 | * \param keylen length of the HMAC key |
Yann | 0:f30e2135b0db | 126 | * \param input buffer holding the data |
Yann | 0:f30e2135b0db | 127 | * \param ilen length of the input data |
Yann | 0:f30e2135b0db | 128 | * \param output HMAC-SHA-1 result |
Yann | 0:f30e2135b0db | 129 | */ |
Yann | 0:f30e2135b0db | 130 | void sha1_hmac( const unsigned char *key, int keylen, |
Yann | 0:f30e2135b0db | 131 | const unsigned char *input, int ilen, |
Yann | 0:f30e2135b0db | 132 | unsigned char output[20] ); |
Yann | 0:f30e2135b0db | 133 | |
Yann | 0:f30e2135b0db | 134 | /* |
Yann | 0:f30e2135b0db | 135 | * \brief Checkup routine |
Yann | 0:f30e2135b0db | 136 | * |
Yann | 0:f30e2135b0db | 137 | * \return 0 if successful, or 1 if the test failed |
Yann | 0:f30e2135b0db | 138 | */ |
Yann | 0:f30e2135b0db | 139 | int sha1_self_test( int verbose ); |
Yann | 0:f30e2135b0db | 140 | |
Yann | 0:f30e2135b0db | 141 | #ifdef __cplusplus |
Yann | 0:f30e2135b0db | 142 | } |
Yann | 0:f30e2135b0db | 143 | #endif |
Yann | 0:f30e2135b0db | 144 | |
Yann | 0:f30e2135b0db | 145 | #endif /* sha1.h */ |