Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5496 | leency | 1 | /** |
| 2 | * \file md4.h |
||
| 3 | * |
||
| 4 | * \brief MD4 message digest algorithm (hash function) |
||
| 5 | * |
||
| 6 | * Copyright (C) 2006-2010, Brainspark B.V. |
||
| 7 | * |
||
| 8 | * This file is part of PolarSSL (http://www.polarssl.org) |
||
| 9 | * Lead Maintainer: Paul Bakker |
||
| 10 | * |
||
| 11 | * All rights reserved. |
||
| 12 | * |
||
| 13 | * This program is free software; you can redistribute it and/or modify |
||
| 14 | * it under the terms of the GNU General Public License as published by |
||
| 15 | * the Free Software Foundation; either version 2 of the License, or |
||
| 16 | * (at your option) any later version. |
||
| 17 | * |
||
| 18 | * This program is distributed in the hope that it will be useful, |
||
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
| 21 | * GNU General Public License for more details. |
||
| 22 | * |
||
| 23 | * You should have received a copy of the GNU General Public License along |
||
| 24 | * with this program; if not, write to the Free Software Foundation, Inc., |
||
| 25 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
||
| 26 | */ |
||
| 27 | #ifndef POLARSSL_MD4_H |
||
| 28 | #define POLARSSL_MD4_H |
||
| 29 | |||
| 30 | #include |
||
| 31 | |||
| 32 | #ifdef _MSC_VER |
||
| 33 | #include |
||
| 34 | typedef UINT32 uint32_t; |
||
| 35 | #else |
||
| 36 | #include |
||
| 37 | #endif |
||
| 38 | |||
| 39 | #define POLARSSL_ERR_MD4_FILE_IO_ERROR -0x0072 /**< Read/write error in file. */ |
||
| 40 | |||
| 41 | /** |
||
| 42 | * \brief MD4 context structure |
||
| 43 | */ |
||
| 44 | typedef struct |
||
| 45 | { |
||
| 46 | uint32_t total[2]; /*!< number of bytes processed */ |
||
| 47 | uint32_t state[4]; /*!< intermediate digest state */ |
||
| 48 | unsigned char buffer[64]; /*!< data block being processed */ |
||
| 49 | |||
| 50 | unsigned char ipad[64]; /*!< HMAC: inner padding */ |
||
| 51 | unsigned char opad[64]; /*!< HMAC: outer padding */ |
||
| 52 | } |
||
| 53 | md4_context; |
||
| 54 | |||
| 55 | #ifdef __cplusplus |
||
| 56 | extern "C" { |
||
| 57 | #endif |
||
| 58 | |||
| 59 | /** |
||
| 60 | * \brief MD4 context setup |
||
| 61 | * |
||
| 62 | * \param ctx context to be initialized |
||
| 63 | */ |
||
| 64 | void md4_starts( md4_context *ctx ); |
||
| 65 | |||
| 66 | /** |
||
| 67 | * \brief MD4 process buffer |
||
| 68 | * |
||
| 69 | * \param ctx MD4 context |
||
| 70 | * \param input buffer holding the data |
||
| 71 | * \param ilen length of the input data |
||
| 72 | */ |
||
| 73 | void md4_update( md4_context *ctx, const unsigned char *input, size_t ilen ); |
||
| 74 | |||
| 75 | /** |
||
| 76 | * \brief MD4 final digest |
||
| 77 | * |
||
| 78 | * \param ctx MD4 context |
||
| 79 | * \param output MD4 checksum result |
||
| 80 | */ |
||
| 81 | void md4_finish( md4_context *ctx, unsigned char output[16] ); |
||
| 82 | |||
| 83 | /** |
||
| 84 | * \brief Output = MD4( input buffer ) |
||
| 85 | * |
||
| 86 | * \param input buffer holding the data |
||
| 87 | * \param ilen length of the input data |
||
| 88 | * \param output MD4 checksum result |
||
| 89 | */ |
||
| 90 | void md4( const unsigned char *input, size_t ilen, unsigned char output[16] ); |
||
| 91 | |||
| 92 | /** |
||
| 93 | * \brief Output = MD4( file contents ) |
||
| 94 | * |
||
| 95 | * \param path input file name |
||
| 96 | * \param output MD4 checksum result |
||
| 97 | * |
||
| 98 | * \return 0 if successful, or POLARSSL_ERR_MD4_FILE_IO_ERROR |
||
| 99 | */ |
||
| 100 | int md4_file( const char *path, unsigned char output[16] ); |
||
| 101 | |||
| 102 | /** |
||
| 103 | * \brief MD4 HMAC context setup |
||
| 104 | * |
||
| 105 | * \param ctx HMAC context to be initialized |
||
| 106 | * \param key HMAC secret key |
||
| 107 | * \param keylen length of the HMAC key |
||
| 108 | */ |
||
| 109 | void md4_hmac_starts( md4_context *ctx, const unsigned char *key, size_t keylen ); |
||
| 110 | |||
| 111 | /** |
||
| 112 | * \brief MD4 HMAC process buffer |
||
| 113 | * |
||
| 114 | * \param ctx HMAC context |
||
| 115 | * \param input buffer holding the data |
||
| 116 | * \param ilen length of the input data |
||
| 117 | */ |
||
| 118 | void md4_hmac_update( md4_context *ctx, const unsigned char *input, size_t ilen ); |
||
| 119 | |||
| 120 | /** |
||
| 121 | * \brief MD4 HMAC final digest |
||
| 122 | * |
||
| 123 | * \param ctx HMAC context |
||
| 124 | * \param output MD4 HMAC checksum result |
||
| 125 | */ |
||
| 126 | void md4_hmac_finish( md4_context *ctx, unsigned char output[16] ); |
||
| 127 | |||
| 128 | /** |
||
| 129 | * \brief MD4 HMAC context reset |
||
| 130 | * |
||
| 131 | * \param ctx HMAC context to be reset |
||
| 132 | */ |
||
| 133 | void md4_hmac_reset( md4_context *ctx ); |
||
| 134 | |||
| 135 | /** |
||
| 136 | * \brief Output = HMAC-MD4( hmac key, input buffer ) |
||
| 137 | * |
||
| 138 | * \param key HMAC secret key |
||
| 139 | * \param keylen length of the HMAC key |
||
| 140 | * \param input buffer holding the data |
||
| 141 | * \param ilen length of the input data |
||
| 142 | * \param output HMAC-MD4 result |
||
| 143 | */ |
||
| 144 | void md4_hmac( const unsigned char *key, size_t keylen, |
||
| 145 | const unsigned char *input, size_t ilen, |
||
| 146 | unsigned char output[16] ); |
||
| 147 | |||
| 148 | /** |
||
| 149 | * \brief Checkup routine |
||
| 150 | * |
||
| 151 | * \return 0 if successful, or 1 if the test failed |
||
| 152 | */ |
||
| 153 | int md4_self_test( int verbose ); |
||
| 154 | |||
| 155 | #ifdef __cplusplus |
||
| 156 | } |
||
| 157 | #endif |
||
| 158 | |||
| 159 | #endif /* md4.h */ |