/usr/include/beecrypt/sha512.h is in libbeecrypt-dev 4.2.1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*
* Copyright (c) 2004 X-Way Rights BV
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*!\file sha512.h
* \brief SHA-512 hash function, headers.
* \author Bob Deblier <bob.deblier@telenet.be>
* \ingroup HASH_m HASH_sha512_m
*/
#ifndef _SHA512_H
#define _SHA512_H
#include "beecrypt/beecrypt.h"
/*!\brief Holds all the parameters necessary for the SHA-512 algorithm.
* \ingroup HASH_sha512_m
*/
#ifdef __cplusplus
struct BEECRYPTAPI sha512Param
#else
struct _sha512Param
#endif
{
/*!\var h
*/
uint64_t h[8];
/*!\var data
*/
uint64_t data[80];
/*!\var length
* \brief Multi-precision integer counter for the bits that have been
* processed so far.
*/
#if (MP_WBITS == 64)
mpw length[2];
#elif (MP_WBITS == 32)
mpw length[4];
#else
# error
#endif
/*!\var offset
* \brief Offset into \a data; points to the place where new data will be
* copied before it is processed.
*/
uint64_t offset;
};
#ifndef __cplusplus
typedef struct _sha512Param sha512Param;
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*!\var sha512
* \brief Holds the full API description of the SHA-512 algorithm.
*/
extern BEECRYPTAPI const hashFunction sha512;
/*!\fn void sha512Process(sha512Param* sp)
* \brief This function performs the core of the SHA-512 hash algorithm; it
* processes a block of 128 bytes.
* \param sp The hash function's parameter block.
*/
BEECRYPTAPI
void sha512Process(sha512Param* sp);
/*!\fn int sha512Reset(sha512Param* sp)
* \brief This function resets the parameter block so that it's ready for a
* new hash.
* \param sp The hash function's parameter block.
* \retval 0 on success.
*/
BEECRYPTAPI
int sha512Reset (sha512Param* sp);
/*!\fn int sha512Update(sha512Param* sp, const byte* data, size_t size)
* \brief This function should be used to pass successive blocks of data
* to be hashed.
* \param sp The hash function's parameter block.
* \param data
* \param size
* \retval 0 on success.
*/
BEECRYPTAPI
int sha512Update (sha512Param* sp, const byte* data, size_t size);
/*!\fn int sha512Digest(sha512Param* sp, byte* digest)
* \brief This function finishes the current hash computation and copies
* the digest value into \a digest.
* \param sp The hash function's parameter block.
* \param digest The place to store the 64-byte digest.
* \retval 0 on success.
*/
BEECRYPTAPI
int sha512Digest (sha512Param* sp, byte* digest);
#ifdef __cplusplus
}
#endif
#endif
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