/usr/include/calc/sha1.h is in apcalc-dev 2.12.5.0-1+b3.
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 | /*
* sha1 - new NIST Secure Hash Standard-1 (SHA1)
*
* Written 2 September 1992, Peter C. Gutmann.
*
* This file and been extensively modified by:
*
* Landon Curt Noll
* http://www.isthe.com/chongo/
*
* chongo <was here> /\../\
*
* This code has been placed in the public domain. Please do not
* copyright this code.
*
* LANDON CURT NOLL DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MER-
* CHANTABILITY AND FITNESS. IN NO EVENT SHALL LANDON CURT
* NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* @(#) $Revision: 30.4 $
* @(#) $Id: sha1.h,v 30.4 2014/09/02 06:37:39 chongo Exp $
* @(#) $Source: /usr/local/src/bin/calc/RCS/sha1.h,v $
*
* This file is not covered under version 2.1 of the GNU LGPL.
*/
#if !defined(INCLUDE_SHA1_H)
#define INCLUDE_SHA1_H
/* SHA1_CHUNKSIZE must be a power of 2 - fixed value defined by the algorithm */
#define SHA1_CHUNKSIZE (1<<6)
#define SHA1_CHUNKWORDS (SHA1_CHUNKSIZE/sizeof(USB32))
/* SHA1_DIGESTSIZE is a the length of the digest as defined by the algorithm */
#define SHA1_DIGESTSIZE (20)
#define SHA1_DIGESTWORDS (SHA1_DIGESTSIZE/sizeof(USB32))
/* SHA1_LOW - where low 32 bits of 64 bit count is stored during final */
#define SHA1_LOW 15
/* SHA1_HIGH - where high 32 bits of 64 bit count is stored during final */
#define SHA1_HIGH 14
/*
* The structure for storing SHA1 info
*
* We will assume that bit count is a multiple of 8.
*/
typedef struct {
USB32 digest[SHA1_DIGESTWORDS]; /* message digest */
USB32 countLo; /* 64 bit count: bits 3-34 */
USB32 countHi; /* 64 bit count: bits 35-63 */
USB32 datalen; /* length of data in data */
USB32 data[SHA1_CHUNKWORDS]; /* SHA1 chunk buffer */
} SHA1_INFO;
/*
* SHA1COUNT(SHA1_INFO*, USB32) - update the 64 bit count in an SHA1_INFO
*
* We will count bytes and convert to bit count during the final
* transform.
*/
#define SHA1COUNT(sha1info, count) { \
USB32 tmp_countLo; \
tmp_countLo = (sha1info)->countLo; \
if (((sha1info)->countLo += (count)) < tmp_countLo) { \
(sha1info)->countHi++; \
} \
}
#endif /* !INCLUDE_SHA1_H */
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