def test_ed25519_jwk_private_key_should_parse_and_verify(self):
algo = Ed25519Algorithm()
with open(key_path("jwk_okp_key_Ed25519.json")) as keyfile:
key = algo.from_jwk(keyfile.read())
signature = algo.sign(b"Hello World!", key)
assert algo.verify(b"Hello World!", key.public_key(), signature)
def test_ed25519_should_reject_non_string_key(self):
algo = Ed25519Algorithm()
with pytest.raises(TypeError):
algo.prepare_key(None)
with open(key_path("testkey_ed25519")) as keyfile:
algo.prepare_key(keyfile.read())
with open(key_path("testkey_ed25519.pub")) as keyfile:
algo.prepare_key(keyfile.read())
def test_ed25519_verify_should_return_false_if_signature_invalid(self):
algo = Ed25519Algorithm()
jwt_message = self.hello_world
jwt_sig = base64.b64decode(force_bytes(self.hello_world_sig))
jwt_sig += force_bytes("123") # Signature is now invalid
with open(key_path("testkey_ed25519.pub")) as keyfile:
jwt_pub_key = algo.prepare_key(keyfile.read())
result = algo.verify(jwt_message, jwt_pub_key, jwt_sig)
assert not result
def test_ed25519_jwk_fails_on_invalid_json(self):
algo = Ed25519Algorithm()
with open(key_path("jwk_okp_pub_Ed25519.json")) as keyfile:
valid_pub = json.loads(keyfile.read())
with open(key_path("jwk_okp_key_Ed25519.json")) as keyfile:
valid_key = json.loads(keyfile.read())
# Invalid instance type
with pytest.raises(InvalidKeyError):
algo.from_jwk(123)
# Invalid JSON
with pytest.raises(InvalidKeyError):
algo.from_jwk("<this isn't json>")
# Invalid kty, not "OKP"
v = valid_pub.copy()
v["kty"] = "oct"
with pytest.raises(InvalidKeyError):
algo.from_jwk(v)
# Invalid crv, not "Ed25519"
v = valid_pub.copy()
v["crv"] = "P-256"
with pytest.raises(InvalidKeyError):
algo.from_jwk(v)
# Missing x
v = valid_pub.copy()
del v["x"]
with pytest.raises(InvalidKeyError):
algo.from_jwk(v)
# Invalid x
v = valid_pub.copy()
v["x"] = "123"
with pytest.raises(InvalidKeyError):
algo.from_jwk(v)
# Invalid d
v = valid_key.copy()
v["d"] = "123"
with pytest.raises(InvalidKeyError):
algo.from_jwk(v)
def test_ed25519_to_jwk_works_with_from_jwk(self):
algo = Ed25519Algorithm()
with open(key_path("jwk_okp_key_Ed25519.json")) as keyfile:
priv_key_1 = algo.from_jwk(keyfile.read())
with open(key_path("jwk_okp_pub_Ed25519.json")) as keyfile:
pub_key_1 = algo.from_jwk(keyfile.read())
pub = algo.to_jwk(pub_key_1)
pub_key_2 = algo.from_jwk(pub)
pri = algo.to_jwk(priv_key_1)
priv_key_2 = algo.from_jwk(pri)
signature_1 = algo.sign(b"Hello World!", priv_key_1)
signature_2 = algo.sign(b"Hello World!", priv_key_2)
assert algo.verify(b"Hello World!", pub_key_2, signature_1)
assert algo.verify(b"Hello World!", pub_key_2, signature_2)
def test_ed25519_to_jwk_raises_exception_on_invalid_key(self):
algo = Ed25519Algorithm()
with pytest.raises(InvalidKeyError):
algo.to_jwk({"not": "a valid key"})