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
50
|
#ifndef _SHA1_H_
#define _SHA1_H_
/* The SHA block size and message digest sizes, in bytes */
#define SHA_DATASIZE 64
#define SHA_DATALEN 16
#define SHA_DIGESTSIZE 20
#define SHA_DIGESTLEN 5
/* The structure for storing SHA info */
#include <stdint.h>
typedef struct sha_ctx {
uint32_t digest[SHA_DIGESTLEN]; /* Message digest */
uint32_t count_l, count_h; /* 64-bit block count */
uint8_t block[SHA_DATASIZE]; /* SHA data buffer */
int index; /* index into buffer */
int finalized;
} SHA_CTX;
int sha_init(struct sha_ctx *ctx);
int sha_update(struct sha_ctx *ctx, const uint8_t *buffer, uint32_t len);
void sha_final(struct sha_ctx *ctx);
int sha_digest(struct sha_ctx *ctx, uint8_t *s);
void sha_copy(struct sha_ctx *dest, struct sha_ctx *src);
#if 1
#ifndef EXTRACT_UCHAR
#define EXTRACT_UCHAR(p) (*(unsigned char *)(p))
#endif
#define STRING2INT(s) ((((((EXTRACT_UCHAR(s) << 8) \
| EXTRACT_UCHAR(s+1)) << 8) \
| EXTRACT_UCHAR(s+2)) << 8) \
| EXTRACT_UCHAR(s+3))
#else
uint32_t STRING2INT(uint8_t *s)
{
uint32_t r;
int i;
for (i = 0, r = 0; i < 4; i++, s++)
r = (r << 8) | *s;
return r;
}
#endif
#endif
|
