| sha224.c - sbase - suckless unix tools | |
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| --- | |
| sha224.c (505B) | |
| --- | |
| 1 /* public domain sha224 implementation based on fips180-3 */ | |
| 2 #include <stdint.h> | |
| 3 #include "../sha224.h" | |
| 4 | |
| 5 extern void sha256_sum_n(void *, uint8_t *, int n); | |
| 6 | |
| 7 void | |
| 8 sha224_init(void *ctx) | |
| 9 { | |
| 10 struct sha224 *s = ctx; | |
| 11 s->len = 0; | |
| 12 s->h[0] = 0xc1059ed8; | |
| 13 s->h[1] = 0x367cd507; | |
| 14 s->h[2] = 0x3070dd17; | |
| 15 s->h[3] = 0xf70e5939; | |
| 16 s->h[4] = 0xffc00b31; | |
| 17 s->h[5] = 0x68581511; | |
| 18 s->h[6] = 0x64f98fa7; | |
| 19 s->h[7] = 0xbefa4fa4; | |
| 20 } | |
| 21 | |
| 22 void | |
| 23 sha224_sum(void *ctx, uint8_t md[SHA224_DIGEST_LENGTH]) | |
| 24 { | |
| 25 sha256_sum_n(ctx, md, 7); | |
| 26 } |