From 00f94097219d14036d7172994e54dc6a6d2fa8f3 Mon Sep 17 00:00:00 2001 From: Simo Sorce Date: Sat, 10 Oct 2015 15:42:17 -0400 Subject: Catch Invalid X or Y points and raise a ValueError Signed-off-by: Simo Sorce --- tests/hazmat/primitives/test_ec.py | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'tests/hazmat/primitives') diff --git a/tests/hazmat/primitives/test_ec.py b/tests/hazmat/primitives/test_ec.py index 59bdc525..5467464a 100644 --- a/tests/hazmat/primitives/test_ec.py +++ b/tests/hazmat/primitives/test_ec.py @@ -285,6 +285,35 @@ class TestECDSAVectors(object): with pytest.raises(ValueError): numbers.private_key(backend) + def test_load_invalid_public_ec_key_from_numbers(self, backend): + _skip_curve_unsupported(backend, ec.SECP521R1()) + + # Bad X coordinate + numbers = ec.EllipticCurvePublicNumbers( + int("000003647356b91f8ace114c7247ecf4f4a622553fc025e04a178f179ef27" + "9090c184af678a4c78f635483bdd8aa544851c6ef291c1f0d6a241ebfd145" + "77d1d30d9903ce", 16), + int("000001499bc7e079322ea0fcfbd6b40103fa6a1536c2257b182db0df4b369" + "6ec643adf100eb4f2025d1b873f82e5a475d6e4400ba777090eeb4563a115" + "09e4c87319dc26", 16), + ec.SECP521R1() + ) + with pytest.raises(ValueError): + numbers.public_key(backend) + + # Bad Y coordinate + numbers = ec.EllipticCurvePublicNumbers( + int("0000019aadc221cc0525118ab6d5aa1f64720603de0be128cbfea0b381ad8" + "02a2facc6370bb58cf88b3f0c692bc654ee19d6cad198f10d4b681b396f20" + "d2e40603fa945b", 16), + int("0000025da392803a320717a08d4cb3dea932039badff363b71bdb8064e726" + "6c7f4f4b748d4d425347fc33e3885d34b750fa7fcd5691f4d90c89522ce33" + "feff5db10088a5", 16), + ec.SECP521R1() + ) + with pytest.raises(ValueError): + numbers.public_key(backend) + @pytest.mark.parametrize( "vector", itertools.chain( -- cgit v1.2.3