sha512-224.c - sbase - suckless unix tools
 (HTM) git clone git://git.suckless.org/sbase
 (DIR) Log
 (DIR) Files
 (DIR) Refs
 (DIR) README
 (DIR) LICENSE
       ---
       sha512-224.c (700B)
       ---
            1 /* public domain sha512/224 implementation based on fips180-3 */
            2 #include <stdint.h>
            3 #include <string.h>
            4 #include "../sha512-224.h"
            5 
            6 extern void sha512_sum_n(void *, uint8_t *, int n);
            7 
            8 void
            9 sha512_224_init(void *ctx)
           10 {
           11         struct sha512_224 *s = ctx;
           12         s->len = 0;
           13         s->h[0] = 0x8c3d37c819544da2ULL;
           14         s->h[1] = 0x73e1996689dcd4d6ULL;
           15         s->h[2] = 0x1dfab7ae32ff9c82ULL;
           16         s->h[3] = 0x679dd514582f9fcfULL;
           17         s->h[4] = 0x0f6d2b697bd44da8ULL;
           18         s->h[5] = 0x77e36f7304c48942ULL;
           19         s->h[6] = 0x3f9d85a86a1d36c8ULL;
           20         s->h[7] = 0x1112e6ad91d692a1ULL;
           21 }
           22 
           23 void
           24 sha512_224_sum(void *ctx, uint8_t md[SHA512_224_DIGEST_LENGTH])
           25 {
           26         uint8_t buf[32];
           27         sha512_sum_n(ctx, buf, 4);
           28         memcpy(md, buf, SHA512_224_DIGEST_LENGTH);
           29 }