int crypto_auth_hmacsha512256_final(crypto_auth_hmacsha512256_state *state, unsigned char *out) { unsigned char out0[64]; crypto_auth_hmacsha512_final((crypto_auth_hmacsha512_state *) state, out0); memcpy(out, out0, 32); return 0; }
int crypto_auth_hmacsha512(unsigned char *out, const unsigned char *in, unsigned long long inlen, const unsigned char *k) { crypto_auth_hmacsha512_state state; crypto_auth_hmacsha512_init(&state, k, crypto_auth_hmacsha512_KEYBYTES); crypto_auth_hmacsha512_update(&state, in, inlen); crypto_auth_hmacsha512_final(&state, out); return 0; }
static void mm_hmacsha512(void) { crypto_auth_hmacsha512_state st; unsigned char *h, *h2; unsigned char *k; unsigned char *m; size_t mlen; size_t l1, l2; int i; for (i = 0; i < MAX_ITER; i++) { mlen = randombytes_uniform(MAXLEN); m = (unsigned char *) sodium_malloc(mlen); k = (unsigned char *) sodium_malloc(crypto_auth_hmacsha512_KEYBYTES); h = (unsigned char *) sodium_malloc(crypto_auth_hmacsha512_BYTES); h2 = (unsigned char *) sodium_malloc(crypto_auth_hmacsha512_BYTES); crypto_auth_hmacsha512_keygen(k); randombytes_buf(m, mlen); crypto_auth_hmacsha512_init(&st, k, crypto_auth_hmacsha512_KEYBYTES); l1 = randombytes_uniform(mlen); l2 = randombytes_uniform(mlen - l1); crypto_auth_hmacsha512_update(&st, m, l1); crypto_auth_hmacsha512_update(&st, m + l1, l2); crypto_auth_hmacsha512_update(&st, m + l1 + l2, mlen - l1 - l2); crypto_auth_hmacsha512_final(&st, h); crypto_auth_hmacsha512(h2, m, mlen, k); assert(memcmp(h, h2, crypto_auth_hmacsha512_BYTES) == 0); sodium_free(h2); sodium_free(h); sodium_free(k); sodium_free(m); } }