def construct(payload, isEncrypted):
'''Construct a message from its payload'''
originalPayload, signKey = CryptoClient.verifySignedData(
payload) if isEncrypted else (payload, None)
if originalPayload:
# The payload could be verified and extracted, but we still don't know
# if the contents are for me or for somebody else (probably for somebody else!)
messageForMe = Message.MessageFromReceivedData(
originalPayload, isEncrypted)
if messageForMe:
return messageForMe
else:
msg = RelayingMessage(rcvdBytes=originalPayload)
msg.senderId = DbI.findUserIdFromKeyId(signKey)
return msg
def testJustSignature(self):
'''Test the verification of data which has been signed but not encrypted'''
self._setupKeyring(["key1_private"])
junk = bytearray()
junk.append(3)
junk.append(0)
junk.append(9)
MESSAGE = "This is the unencrypted source text we're going to use".encode("utf-8") + bytes(junk)
OWNKEYID = self.KEYID_1
self.assertFalse("BEGIN PGP SIGNED MESSAGE".encode("utf-8") in MESSAGE, "Input data shouldn't include PGP prefix")
signed = CryptoClient.signData(MESSAGE, OWNKEYID)
self.assertTrue(signed, "Signed data shouldn't be blank")
self.assertTrue("BEGIN PGP SIGNED MESSAGE".encode("utf-8") in signed, "Signed data should include PGP prefix")
retrieved, keyid = CryptoClient.verifySignedData(signed)
self.assertEqual(MESSAGE, retrieved, "Retrieved data should be the same as the input")
self.assertIsNotNone(keyid, "keyid which signed should not be blank")