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unit: Add basic test for ECC PWE-from-PT derivation

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This commit is contained in:
Denis Kenzior 2021-07-09 10:07:33 -05:00
parent 993a934803
commit 0815b85f22
1 changed files with 9 additions and 13 deletions
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22
unit/test-sae.c
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@ -628,17 +628,6 @@ static void test_end_to_end(const void *arg)
l_free(td2); l_free(td2);
} }
static enum l_checksum_type ecc_hash_from_prime_len(size_t prime_len)
{
if (prime_len <= 256 / 8)
return L_CHECKSUM_SHA256;
if (prime_len <= 384 / 8)
return L_CHECKSUM_SHA384;
return L_CHECKSUM_SHA512;
}
static void test_pt_pwe(const void *data) static void test_pt_pwe(const void *data)
{ {
static const char *ssid = "byteme"; static const char *ssid = "byteme";
@ -757,7 +746,8 @@ static void test_pt_pwe(const void *data)
curve = l_ecc_curve_from_ike_group(19); curve = l_ecc_curve_from_ike_group(19);
assert(curve); assert(curve);
hash = ecc_hash_from_prime_len(l_ecc_curve_get_scalar_bytes(curve)); hash = crypto_sae_hash_from_ecc_prime_len(CRYPTO_SAE_HASH_TO_ELEMENT,
l_ecc_curve_get_scalar_bytes(curve));
hash_len = l_checksum_digest_length(hash); hash_len = l_checksum_digest_length(hash);
assert(hash_len == 32); assert(hash_len == 32);
@ -866,9 +856,15 @@ static void test_pt_pwe(const void *data)
assert(l_ecc_point_get_y(pwe, num, sizeof(num)) > 0); assert(l_ecc_point_get_y(pwe, num, sizeof(num)) > 0);
assert(!memcmp(num, pwey_data, sizeof(pwey_data))); assert(!memcmp(num, pwey_data, sizeof(pwey_data)));
l_ecc_point_free(pt);
l_ecc_scalar_free(val); l_ecc_scalar_free(val);
p1 = crypto_derive_sae_pwe_from_pt_ecc(mac1, mac2, pt);
assert(p1);
assert(l_ecc_points_are_equal(p1, pwe));
l_ecc_point_free(p1);
l_ecc_point_free(pwe); l_ecc_point_free(pwe);
l_ecc_point_free(pt);
} }
int main(int argc, char *argv[]) int main(int argc, char *argv[])