sha512-224.c (617B)
1 /* public domain sha512/224 implementation based on fips180-3 */ 2 #include <stdint.h> 3 #include "../sha512-224.h" 4 5 extern void sha512_sum_n(void *, uint8_t *, int n); 6 7 void 8 sha512_224_init(void *ctx) 9 { 10 struct sha512_224 *s = ctx; 11 s->len = 0; 12 s->h[0] = 0x8c3d37c819544da2ULL; 13 s->h[1] = 0x73e1996689dcd4d6ULL; 14 s->h[2] = 0x1dfab7ae32ff9c82ULL; 15 s->h[3] = 0x679dd514582f9fcfULL; 16 s->h[4] = 0x0f6d2b697bd44da8ULL; 17 s->h[5] = 0x77e36f7304c48942ULL; 18 s->h[6] = 0x3f9d85a86a1d36c8ULL; 19 s->h[7] = 0x1112e6ad91d692a1ULL; 20 } 21 22 void 23 sha512_224_sum(void *ctx, uint8_t md[SHA512_224_DIGEST_LENGTH]) 24 { 25 sha512_sum_n(ctx, md, 4); 26 }