1/*	$OpenBSD: sha1.h,v 1.6 2014/11/16 17:39:09 tedu Exp $	*/
2
3/*
4 * SHA-1 in C
5 * By Steve Reid <steve@edmweb.com>
6 * 100% Public Domain
7 */
8
9#ifndef _SHA1_H_
10#define _SHA1_H_
11
12#define	SHA1_BLOCK_LENGTH		64
13#define	SHA1_DIGEST_LENGTH		20
14
15typedef struct {
16	u_int32_t	state[5];
17	u_int64_t	count;
18	unsigned char	buffer[SHA1_BLOCK_LENGTH];
19} SHA1_CTX;
20
21void SHA1Init(SHA1_CTX * context);
22void SHA1Transform(u_int32_t state[5], const unsigned char buffer[SHA1_BLOCK_LENGTH]);
23void SHA1Update(SHA1_CTX *context, const void *data, unsigned int len);
24void SHA1Final(unsigned char digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
25
26#endif /* _SHA1_H_ */
27