/usr/include/polarssl/md4.h is in libpolarssl-dev 1.3.9-2.1+deb8u3.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | /**
* \file md4.h
*
* \brief MD4 message digest algorithm (hash function)
*
* Copyright (C) 2006-2014, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_MD4_H
#define POLARSSL_MD4_H
#if !defined(POLARSSL_CONFIG_FILE)
#include "config.h"
#else
#include POLARSSL_CONFIG_FILE
#endif
#include <string.h>
#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
#include <basetsd.h>
typedef UINT32 uint32_t;
#else
#include <inttypes.h>
#endif
#define POLARSSL_ERR_MD4_FILE_IO_ERROR -0x0072 /**< Read/write error in file. */
#if !defined(POLARSSL_MD4_ALT)
// Regular implementation
//
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief MD4 context structure
*/
typedef struct
{
uint32_t total[2]; /*!< number of bytes processed */
uint32_t state[4]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
unsigned char ipad[64]; /*!< HMAC: inner padding */
unsigned char opad[64]; /*!< HMAC: outer padding */
}
md4_context;
/**
* \brief Initialize MD4 context
*
* \param ctx MD4 context to be initialized
*/
void md4_init( md4_context *ctx );
/**
* \brief Clear MD4 context
*
* \param ctx MD4 context to be cleared
*/
void md4_free( md4_context *ctx );
/**
* \brief MD4 context setup
*
* \param ctx context to be initialized
*/
void md4_starts( md4_context *ctx );
/**
* \brief MD4 process buffer
*
* \param ctx MD4 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md4_update( md4_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief MD4 final digest
*
* \param ctx MD4 context
* \param output MD4 checksum result
*/
void md4_finish( md4_context *ctx, unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#else /* POLARSSL_MD4_ALT */
#include "md4_alt.h"
#endif /* POLARSSL_MD4_ALT */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = MD4( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output MD4 checksum result
*/
void md4( const unsigned char *input, size_t ilen, unsigned char output[16] );
/**
* \brief Output = MD4( file contents )
*
* \param path input file name
* \param output MD4 checksum result
*
* \return 0 if successful, or POLARSSL_ERR_MD4_FILE_IO_ERROR
*/
int md4_file( const char *path, unsigned char output[16] );
/**
* \brief MD4 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
*/
void md4_hmac_starts( md4_context *ctx, const unsigned char *key,
size_t keylen );
/**
* \brief MD4 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void md4_hmac_update( md4_context *ctx, const unsigned char *input,
size_t ilen );
/**
* \brief MD4 HMAC final digest
*
* \param ctx HMAC context
* \param output MD4 HMAC checksum result
*/
void md4_hmac_finish( md4_context *ctx, unsigned char output[16] );
/**
* \brief MD4 HMAC context reset
*
* \param ctx HMAC context to be reset
*/
void md4_hmac_reset( md4_context *ctx );
/**
* \brief Output = HMAC-MD4( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-MD4 result
*/
void md4_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[16] );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int md4_self_test( int verbose );
/* Internal use */
void md4_process( md4_context *ctx, const unsigned char data[64] );
#ifdef __cplusplus
}
#endif
#endif /* md4.h */
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