int
crypto_auth_hmacsha512256_init(crypto_auth_hmacsha512256_state *state,
const unsigned char *key, size_t keylen)
{
return crypto_auth_hmacsha512_init((crypto_auth_hmacsha512_state *) state,
key, keylen);
}
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);
}
}