[BACK]Return to sha1.h CVS log [TXT][DIR] Up to [local] / src / include
File: [local] / src / include / sha1.h (download)

Revision 1.24, Wed Dec 5 23:19:57 2012 UTC (11 years, 5 months ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, OPENBSD_6_1_BASE, OPENBSD_6_1, OPENBSD_6_0_BASE, OPENBSD_6_0, OPENBSD_5_9_BASE, OPENBSD_5_9, OPENBSD_5_8_BASE, OPENBSD_5_8, OPENBSD_5_7_BASE, OPENBSD_5_7, OPENBSD_5_6_BASE, OPENBSD_5_6, OPENBSD_5_5_BASE, OPENBSD_5_5, OPENBSD_5_4_BASE, OPENBSD_5_4, OPENBSD_5_3_BASE, OPENBSD_5_3, HEAD
Changes since 1.23: +1 -3 lines 

Remove excessive sys/cdefs.h inclusion
ok guenther millert kettenis

/*	$OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $	*/

/*
 * SHA-1 in C
 * By Steve Reid <steve@edmweb.com>
 * 100% Public Domain
 */

#ifndef _SHA1_H
#define _SHA1_H

#define	SHA1_BLOCK_LENGTH		64
#define	SHA1_DIGEST_LENGTH		20
#define	SHA1_DIGEST_STRING_LENGTH	(SHA1_DIGEST_LENGTH * 2 + 1)

typedef struct {
    u_int32_t state[5];
    u_int64_t count;
    u_int8_t buffer[SHA1_BLOCK_LENGTH];
} SHA1_CTX;

__BEGIN_DECLS
void SHA1Init(SHA1_CTX *);
void SHA1Pad(SHA1_CTX *);
void SHA1Transform(u_int32_t [5], const u_int8_t [SHA1_BLOCK_LENGTH])
	__attribute__((__bounded__(__minbytes__,1,5)))
	__attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH)));
void SHA1Update(SHA1_CTX *, const u_int8_t *, size_t)
	__attribute__((__bounded__(__string__,2,3)));
void SHA1Final(u_int8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *)
	__attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH)));
char *SHA1End(SHA1_CTX *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
char *SHA1File(const char *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
char *SHA1FileChunk(const char *, char *, off_t, off_t)
	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
char *SHA1Data(const u_int8_t *, size_t, char *)
	__attribute__((__bounded__(__string__,1,2)))
	__attribute__((__bounded__(__minbytes__,3,SHA1_DIGEST_STRING_LENGTH)));
__END_DECLS

#define HTONDIGEST(x) do {                                              \
        x[0] = htonl(x[0]);                                             \
        x[1] = htonl(x[1]);                                             \
        x[2] = htonl(x[2]);                                             \
        x[3] = htonl(x[3]);                                             \
        x[4] = htonl(x[4]); } while (0)

#define NTOHDIGEST(x) do {                                              \
        x[0] = ntohl(x[0]);                                             \
        x[1] = ntohl(x[1]);                                             \
        x[2] = ntohl(x[2]);                                             \
        x[3] = ntohl(x[3]);                                             \
        x[4] = ntohl(x[4]); } while (0)

#endif /* _SHA1_H */