Realised there was no test to test these functions.

This commit is contained in:
irungentoo 2016-01-30 21:56:54 -05:00
parent dfe5d9b256
commit 94cc8b11ff
No known key found for this signature in database
GPG Key ID: 10349DC9BED89E98

View File

@ -272,6 +272,56 @@ START_TEST(test_large_data_symmetric)
}
END_TEST
void increment_nonce_number_cmp(uint8_t *nonce, uint32_t num)
{
uint32_t num1, num2;
memcpy(&num1, nonce + (crypto_box_NONCEBYTES - sizeof(num1)), sizeof(num1));
num1 = ntohl(num1);
num2 = num + num1;
if (num2 < num1) {
uint32_t i;
for (i = crypto_box_NONCEBYTES - sizeof(num1); i != 0; --i) {
++nonce[i - 1];
if (nonce[i - 1] != 0)
break;
}
}
num2 = htonl(num2);
memcpy(nonce + (crypto_box_NONCEBYTES - sizeof(num2)), &num2, sizeof(num2));
}
START_TEST(test_increment_nonce)
{
long long unsigned int i;
uint8_t n[crypto_box_NONCEBYTES];
for (i = 0; i < crypto_box_NONCEBYTES; ++i)
n[i] = rand();
uint8_t n1[crypto_box_NONCEBYTES];
memcpy(n1, n, crypto_box_NONCEBYTES);
for (i = 0; i < (1 << 18); ++i) {
increment_nonce_number_cmp(n, 1);
increment_nonce(n1);
ck_assert_msg(memcmp(n, n1, crypto_box_NONCEBYTES) == 0, "Bad increment_nonce function");
}
for (i = 0; i < (1 << 18); ++i) {
uint32_t r = rand();
increment_nonce_number_cmp(n, r);
increment_nonce_number(n1, r);
ck_assert_msg(memcmp(n, n1, crypto_box_NONCEBYTES) == 0, "Bad increment_nonce_number function");
}
}
END_TEST
Suite *crypto_suite(void)
{
Suite *s = suite_create("Crypto");
@ -281,6 +331,7 @@ Suite *crypto_suite(void)
DEFTESTCASE_SLOW(endtoend, 15); /* waiting up to 15 seconds */
DEFTESTCASE(large_data);
DEFTESTCASE(large_data_symmetric);
DEFTESTCASE_SLOW(increment_nonce, 20);
return s;
}