/usr/include/ncbi-vdb/klib/checksum.h is in libncbi-vdb-dev 2.8.1+dfsg-2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | /*===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
*/
#ifndef _h_klib_checksum_
#define _h_klib_checksum_
#ifndef _h_klib_extern_
#include <klib/extern.h>
#endif
#ifndef _h_klib_defs_
#include <klib/defs.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*--------------------------------------------------------------------------
* CRC32
*/
/* CRC32Init
* initializes table
* IDEMPOTENT
*/
KLIB_EXTERN void CC CRC32Init ( void );
/* CRC32
* runs checksum on arbitrary data, returning result
* initial checksum to be passed in is 0
* subsequent checksums should be return from prior invocation
*/
KLIB_EXTERN uint32_t CC CRC32 ( uint32_t checksum, const void *data, size_t size );
/*--------------------------------------------------------------------------
* MD5
* taken from Peter Deutsch's sources due to simplicity
*/
typedef struct MD5State MD5State;
struct MD5State
{
uint32_t count [ 2 ];
uint32_t abcd [ 4 ];
uint8_t buf [ 64 ];
};
/* Init
* initialize the algorithm and state block
*/
KLIB_EXTERN void CC MD5StateInit ( MD5State *md5 );
/* Append
* run MD5 on data block
* accumulate results into "md5"
* processes data in chunks
*/
KLIB_EXTERN void CC MD5StateAppend ( MD5State *md5, const void *data, size_t size );
/* Finish
* processes any remaining data in "md5"
* returns 16 bytes of digest
*/
KLIB_EXTERN void CC MD5StateFinish ( MD5State *md5, uint8_t digest [ 16 ] );
/*--------------------------------------------------------------------------
* SHA
*/
typedef struct SHA32bitState SHA1State, SHA256State;
struct SHA32bitState
{
uint64_t len;
uint32_t H [ 8 ];
uint32_t cur;
uint8_t W [ 64 ];
};
typedef struct SHA64bitState SHA384State, SHA512State;
struct SHA64bitState
{
uint64_t len;
uint64_t H [ 8 ];
unsigned long cur;
uint8_t W [ 128 ];
};
/* Init
* initialize the algorithm and state block
*/
KLIB_EXTERN void CC SHA1StateInit ( SHA1State *state );
KLIB_EXTERN void CC SHA256StateInit ( SHA256State *state );
KLIB_EXTERN void CC SHA384StateInit ( SHA384State *state );
KLIB_EXTERN void CC SHA512StateInit ( SHA512State *state );
/* Append
* run SHA-x on data block
* accumulate results into "state"
* processes data in chunks
*/
KLIB_EXTERN void CC SHA1StateAppend ( SHA1State *state, const void *data, size_t size );
KLIB_EXTERN void CC SHA256StateAppend ( SHA256State *state, const void *data, size_t size );
KLIB_EXTERN void CC SHA384StateAppend ( SHA384State *state, const void *data, size_t size );
KLIB_EXTERN void CC SHA512StateAppend ( SHA512State *state, const void *data, size_t size );
/* Finish
* processes any remaining data in "state"
* returns N bytes of digest
* N = 20 for SHA-1
* N = 32 for SHA-256
* N = 48 for SHA-384
* N = 64 for SHA-512
*/
KLIB_EXTERN void CC SHA1StateFinish ( SHA1State *state, uint8_t digest [ 20 ] );
KLIB_EXTERN void CC SHA256StateFinish ( SHA256State *state, uint8_t digest [ 32 ] );
KLIB_EXTERN void CC SHA384StateFinish ( SHA384State *state, uint8_t digest [ 48 ] );
KLIB_EXTERN void CC SHA512StateFinish ( SHA512State *state, uint8_t digest [ 64 ] );
#ifdef __cplusplus
}
#endif
#endif /* _h_klib_checksum_ */
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