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author | Simo Sorce <simo@redhat.com> | 2015-10-10 15:42:17 -0400 |
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committer | Simo Sorce <simo@redhat.com> | 2015-10-12 20:52:17 -0400 |
commit | 00f94097219d14036d7172994e54dc6a6d2fa8f3 (patch) | |
tree | 33c29febc0f2bd95e4a2c25eb3748927126c4e9d /tests/hazmat/primitives/test_ec.py | |
parent | 0eafd9cd32a69909bd7bab955459925f54bd7278 (diff) | |
download | cryptography-00f94097219d14036d7172994e54dc6a6d2fa8f3.tar.gz cryptography-00f94097219d14036d7172994e54dc6a6d2fa8f3.tar.bz2 cryptography-00f94097219d14036d7172994e54dc6a6d2fa8f3.zip |
Catch Invalid X or Y points and raise a ValueError
Signed-off-by: Simo Sorce <simo@redhat.com>
Diffstat (limited to 'tests/hazmat/primitives/test_ec.py')
-rw-r--r-- | tests/hazmat/primitives/test_ec.py | 29 |
1 files changed, 29 insertions, 0 deletions
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( |