sha1.h (1729B)
1 /* $OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt 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 #ifndef WITH_OPENSSL
13
14 #define SHA1_BLOCK_LENGTH 64
15 #define SHA1_DIGEST_LENGTH 20
16 #define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
17
18 typedef struct {
19 u_int32_t state[5];
20 u_int64_t count;
21 u_int8_t buffer[SHA1_BLOCK_LENGTH];
22 } SHA1_CTX;
23
24 void SHA1Init(SHA1_CTX *);
25 void SHA1Pad(SHA1_CTX *);
26 void SHA1Transform(u_int32_t [5], const u_int8_t [SHA1_BLOCK_LENGTH]);
27 void SHA1Update(SHA1_CTX *, const u_int8_t *, size_t);
28 void SHA1Final(u_int8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *);
29 char *SHA1End(SHA1_CTX *, char *);
30 char *SHA1File(const char *, char *);
31 char *SHA1FileChunk(const char *, char *, off_t, off_t);
32 char *SHA1Data(const u_int8_t *, size_t, char *);
33
34 #define HTONDIGEST(x) do { \
35 x[0] = htonl(x[0]); \
36 x[1] = htonl(x[1]); \
37 x[2] = htonl(x[2]); \
38 x[3] = htonl(x[3]); \
39 x[4] = htonl(x[4]); } while (0)
40
41 #define NTOHDIGEST(x) do { \
42 x[0] = ntohl(x[0]); \
43 x[1] = ntohl(x[1]); \
44 x[2] = ntohl(x[2]); \
45 x[3] = ntohl(x[3]); \
46 x[4] = ntohl(x[4]); } while (0)
47
48 #endif /* !WITH_OPENSSL */
49 #endif /* _SHA1_H */