def _default_seal(self):
"""
Helper method to build a Seal
:return: a Seal instance
"""
sig = 'A' * 128
vk = 'A' * 68
return Seal.create(signature=sig, verifying_key=vk)
def test_validate_bad_metadata(self):
meta = b'lol'
message = self._default_msg()
sk, vk = wallet.new()
sk2, vk2 = wallet.new()
signature = EnvelopeAuth.seal(signing_key=sk,
meta=meta,
message=message)
seal = Seal.create(signature=signature, verifying_key=vk2)
self.assertRaises(Exception, Envelope._create_from_objects, seal, meta,
message.serialize())
def test_validate_bad_seal(self):
meta = self._default_meta()
message = self._default_msg()
sk, vk = wallet.new()
sk2, vk2 = wallet.new()
signature = EnvelopeAuth.seal(signing_key=sk,
meta=meta,
message=message)
seal = Seal.create(signature=signature, verifying_key=vk2)
env = Envelope._create_from_objects(seal=seal,
meta=meta,
message=message.serialize())
self.assertFalse(env.verify_seal())
def test_verify_seal(self):
"""
Tests verify seal with a valid signature
"""
meta = self._default_meta()
message = self._default_msg()
sk, vk = wallet.new()
signature = EnvelopeAuth.seal(signing_key=sk,
meta=meta,
message=message)
seal = Seal.create(signature=signature, verifying_key=vk)
env = Envelope.create_from_message(message=message,
signing_key=sk,
verifying_key=vk)
self.assertTrue(env.verify_seal())
def test_validate_envelope(self):
"""
Tests validate envelope function
"""
meta = self._default_meta()
message = self._default_msg()
sk, vk = wallet.new()
signature = EnvelopeAuth.seal(signing_key=sk,
meta=meta,
message=message)
seal = Seal.create(signature=signature, verifying_key=vk)
env = Envelope._create_from_objects(seal=seal,
meta=meta,
message=message.serialize())
env.validate()
def test_verify_seal_invalid(self):
"""
Tests verifying a seal with an invalid signature
"""
meta = self._default_meta()
message = self._default_msg()
sk, vk = wallet.new()
sk_prime = 'A' * 64
signature = EnvelopeAuth.seal(signing_key=sk_prime,
meta=meta,
message=message)
seal = Seal.create(signature=signature, verifying_key=vk)
env = Envelope._create_from_objects(seal=seal,
meta=meta,
message=message.serialize())
env.verify_seal()