FreeBSD/Linux Kernel Cross Reference
sys/crypto/sha1.h
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
15 typedef struct {
16 u_int32_t state[5];
17 u_int64_t count;
18 unsigned char buffer[SHA1_BLOCK_LENGTH];
19 } SHA1_CTX;
20
21 void SHA1Init(SHA1_CTX * context);
22 void SHA1Transform(u_int32_t state[5], const unsigned char buffer[SHA1_BLOCK_LENGTH]);
23 void SHA1Update(SHA1_CTX *context, const void *data, unsigned int len);
24 void SHA1Final(unsigned char digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
25
26 #endif /* _SHA1_H_ */
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