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
|
/*
* BIRD Library -- SHA-256 and SHA-224 Hash Functions
*
* (c) 2015 CZ.NIC z.s.p.o.
*
* Based on the code from libgcrypt-1.6.0, which is
* (c) 2003, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_SHA256_H_
#define _BIRD_SHA256_H_
#include "nest/bird.h"
#define SHA224_SIZE 28
#define SHA224_HEX_SIZE 57
#define SHA224_BLOCK_SIZE 64
#define SHA256_SIZE 32
#define SHA256_HEX_SIZE 65
#define SHA256_BLOCK_SIZE 64
struct hash_context;
struct sha256_context {
u32 h0, h1, h2, h3, h4, h5, h6, h7;
byte buf[SHA256_BLOCK_SIZE];
uint nblocks;
uint count;
};
#define sha224_context sha256_context
void sha256_init(struct hash_context *ctx);
void sha224_init(struct hash_context *ctx);
void sha256_update(struct hash_context *ctx, const byte *buf, uint len);
#define sha224_update sha256_update
byte *sha256_final(struct hash_context *ctx);
#define sha224_final sha256_final
#endif /* _BIRD_SHA256_H_ */
|
