| /* public domain sha512/256 implementation based on fips180-3 */ |
| #include <stdint.h> |
| #include "../sha512-256.h" |
| |
| extern void sha512_sum_n(void *, uint8_t *, int n); |
| |
| void |
| sha512_256_init(void *ctx) |
| { |
| struct sha512_256 *s = ctx; |
| s->len = 0; |
| s->h[0] = 0x22312194fc2bf72cULL; |
| s->h[1] = 0x9f555fa3c84c64c2ULL; |
| s->h[2] = 0x2393b86b6f53b151ULL; |
| s->h[3] = 0x963877195940eabdULL; |
| s->h[4] = 0x96283ee2a88effe3ULL; |
| s->h[5] = 0xbe5e1e2553863992ULL; |
| s->h[6] = 0x2b0199fc2c85b8aaULL; |
| s->h[7] = 0x0eb72ddc81c52ca2ULL; |
| } |
| |
| void |
| sha512_256_sum(void *ctx, uint8_t md[SHA512_256_DIGEST_LENGTH]) |
| { |
| sha512_sum_n(ctx, md, 4); |
| } |