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Add Testcase for #630

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Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>
This commit is contained in:
Steffen Jaeckel 2023-08-07 11:02:13 +02:00 committed by Jamie Reece Wilson
parent a96794c9c5
commit 71c93ed301
1 changed files with 26 additions and 0 deletions
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26
tests/ecc_test.c
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@ -198,6 +198,31 @@ static int s_ecc_test_shamir(void)
}
#endif
/* https://github.com/libtom/libtomcrypt/issues/630 */
static int s_ecc_issue630(void)
{
unsigned char protected_buffer[30], protected_buffer_copy[30];
unsigned long keylen = 0;
ecc_key key;
int low, high;
ecc_sizes(&low, &high);
DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), high, &key));
if (yarrow_read(protected_buffer, sizeof(protected_buffer), &yarrow_prng) != sizeof(protected_buffer)) {
return CRYPT_ERROR_READPRNG;
}
XMEMCPY(protected_buffer_copy, protected_buffer, sizeof(protected_buffer));
COMPARE_TESTVECTOR(protected_buffer, sizeof(protected_buffer), protected_buffer_copy, sizeof(protected_buffer), "Ensure copy is equal", 0);
keylen = 10;
SHOULD_FAIL(ecc_get_key(&protected_buffer[10], &keylen, PK_PRIVATE, &key));
COMPARE_TESTVECTOR(protected_buffer, 10, protected_buffer_copy, 10, "Start canary", 1);
COMPARE_TESTVECTOR(&protected_buffer[20], 10, &protected_buffer[20], 10, "End canary", 2);
ecc_free(&key);
return 0;
}
/* https://github.com/libtom/libtomcrypt/issues/108 */
static int s_ecc_issue108(void)
{
@ -1591,6 +1616,7 @@ int ecc_test(void)
DO(s_ecc_test_mp());
DO(s_ecc_issue108());
DO(s_ecc_issue443_447());
DO(s_ecc_issue630());
#ifdef LTC_ECC_SHAMIR
DO(s_ecc_test_shamir());
DO(s_ecc_test_recovery());