Beispiel #1
0
    def test_publish_election_backup_challenge(self):
        # Arrange
        guardian = Guardian(
            SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        recipient_guardian = Guardian(
            RECIPIENT_GUARDIAN_ID,
            RECIPIENT_SEQUENCE_ORDER,
            NUMBER_OF_GUARDIANS,
            QUORUM,
        )

        guardian.save_auxiliary_public_key(
            recipient_guardian.share_auxiliary_public_key()
        )
        guardian.generate_election_partial_key_backups(identity_auxiliary_encrypt)

        # Act
        challenge = guardian.publish_election_backup_challenge(RECIPIENT_GUARDIAN_ID)

        # Assert
        self.assertIsNotNone(challenge)
        self.assertIsNotNone(challenge.value)
        self.assertEqual(challenge.owner_id, SENDER_GUARDIAN_ID)
        self.assertEqual(challenge.designated_id, RECIPIENT_GUARDIAN_ID)
        self.assertEqual(len(challenge.coefficient_commitments), QUORUM)
        self.assertEqual(len(challenge.coefficient_proofs), QUORUM)
        for proof in challenge.coefficient_proofs:
            proof.is_valid()
Beispiel #2
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    def test_generate_election_partial_key_backups(self):
        # Arrange
        guardian = Guardian(
            SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        other_guardian = Guardian(
            RECIPIENT_GUARDIAN_ID, RECIPIENT_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )

        # Act
        empty_key_backup = guardian.share_election_partial_key_backup(
            RECIPIENT_GUARDIAN_ID
        )
        # Assert
        self.assertIsNone(empty_key_backup)

        # Act
        guardian.save_auxiliary_public_key(other_guardian.share_auxiliary_public_key())
        guardian.generate_election_partial_key_backups(identity_auxiliary_encrypt)
        key_backup = guardian.share_election_partial_key_backup(RECIPIENT_GUARDIAN_ID)

        # Assert
        self.assertIsNotNone(key_backup)
        self.assertIsNotNone(key_backup.encrypted_value)
        self.assertEqual(key_backup.owner_id, SENDER_GUARDIAN_ID)
        self.assertEqual(key_backup.designated_id, RECIPIENT_GUARDIAN_ID)
        self.assertEqual(len(key_backup.coefficient_commitments), QUORUM)
        self.assertEqual(len(key_backup.coefficient_proofs), QUORUM)
        for proof in key_backup.coefficient_proofs:
            proof.is_valid()
Beispiel #3
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    def test_verify_election_partial_key_challenge(self):
        # Arrange
        guardian = Guardian(
            SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        recipient_guardian = Guardian(
            RECIPIENT_GUARDIAN_ID,
            RECIPIENT_SEQUENCE_ORDER,
            NUMBER_OF_GUARDIANS,
            QUORUM,
        )
        alternate_guardian = Guardian(
            ALTERNATE_VERIFIER_GUARDIAN_ID,
            ALTERNATE_VERIFIER_SEQUENCE_ORDER,
            NUMBER_OF_GUARDIANS,
            QUORUM,
        )
        guardian.save_auxiliary_public_key(
            recipient_guardian.share_auxiliary_public_key()
        )
        guardian.generate_election_partial_key_backups(identity_auxiliary_encrypt)
        challenge = guardian.publish_election_backup_challenge(RECIPIENT_GUARDIAN_ID)

        # Act
        verification = alternate_guardian.verify_election_partial_key_challenge(
            challenge
        )

        # Assert
        self.assertIsNotNone(verification)
        self.assertEqual(verification.owner_id, SENDER_GUARDIAN_ID)
        self.assertEqual(verification.designated_id, RECIPIENT_GUARDIAN_ID)
        self.assertEqual(verification.verifier_id, ALTERNATE_VERIFIER_GUARDIAN_ID)
        self.assertTrue(verification.verified)
Beispiel #4
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    def test_save_auxiliary_public_key(self):
        # Arrange
        guardian = Guardian(SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER,
                            NUMBER_OF_GUARDIANS, QUORUM)
        other_guardian = Guardian(RECIPIENT_GUARDIAN_ID,
                                  RECIPIENT_SEQUENCE_ORDER,
                                  NUMBER_OF_GUARDIANS, QUORUM)
        public_key = other_guardian.share_auxiliary_public_key()

        # Act
        guardian.save_auxiliary_public_key(public_key)

        # Assert
        self.assertTrue(guardian.all_auxiliary_public_keys_received())
Beispiel #5
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    def test_all_election_partial_key_backups_received(self):
        # Arrange
        guardian = Guardian(
            SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        other_guardian = Guardian(
            RECIPIENT_GUARDIAN_ID, RECIPIENT_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        guardian.save_auxiliary_public_key(other_guardian.share_auxiliary_public_key())
        guardian.generate_election_partial_key_backups(identity_auxiliary_encrypt)
        key_backup = guardian.share_election_partial_key_backup(RECIPIENT_GUARDIAN_ID)

        # Assert
        self.assertFalse(other_guardian.all_election_partial_key_backups_received())
        other_guardian.save_election_partial_key_backup(key_backup)
        self.assertTrue(other_guardian.all_election_partial_key_backups_received())
Beispiel #6
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    def test_share_election_partial_key_backup(self):
        # Arrange
        guardian = Guardian(
            SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        other_guardian = Guardian(
            RECIPIENT_GUARDIAN_ID, RECIPIENT_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )

        # Act
        guardian.save_auxiliary_public_key(other_guardian.share_auxiliary_public_key())
        guardian.generate_election_partial_key_backups(identity_auxiliary_encrypt)
        key_backup = guardian.share_election_partial_key_backup(RECIPIENT_GUARDIAN_ID)

        # Assert
        self.assertIsNotNone(key_backup)
        self.assertIsNotNone(key_backup.encrypted_value)
        self.assertEqual(key_backup.owner_id, SENDER_GUARDIAN_ID)
        self.assertEqual(key_backup.designated_id, RECIPIENT_GUARDIAN_ID)
Beispiel #7
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    def test_save_election_partial_key_verification(self):
        # Arrange
        guardian = Guardian(
            SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        other_guardian = Guardian(
            RECIPIENT_GUARDIAN_ID, RECIPIENT_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        guardian.save_auxiliary_public_key(other_guardian.share_auxiliary_public_key())
        guardian.generate_election_partial_key_backups(identity_auxiliary_encrypt)
        key_backup = guardian.share_election_partial_key_backup(RECIPIENT_GUARDIAN_ID)
        other_guardian.save_election_partial_key_backup(key_backup)
        verification = other_guardian.verify_election_partial_key_backup(
            SENDER_GUARDIAN_ID, identity_auxiliary_decrypt
        )

        # Act
        guardian.save_election_partial_key_verification(verification)

        # Assert
        self.assertTrue(guardian.all_election_partial_key_backups_verified)
Beispiel #8
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    def test_publish_joint_key(self):
        # Arrange
        guardian = Guardian(SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER,
                            NUMBER_OF_GUARDIANS, QUORUM)
        other_guardian = Guardian(RECIPIENT_GUARDIAN_ID,
                                  RECIPIENT_SEQUENCE_ORDER,
                                  NUMBER_OF_GUARDIANS, QUORUM)
        guardian.save_auxiliary_public_key(
            other_guardian.share_auxiliary_public_key())
        guardian.generate_election_partial_key_backups()
        key_backup = guardian.share_election_partial_key_backup(
            RECIPIENT_GUARDIAN_ID)
        other_guardian.save_election_partial_key_backup(key_backup)
        verification = other_guardian.verify_election_partial_key_backup(
            SENDER_GUARDIAN_ID)

        # Act
        joint_key = guardian.publish_joint_key()

        # Assert
        self.assertIsNone(joint_key)

        # Act
        guardian.save_election_public_key(
            other_guardian.share_election_public_key())
        joint_key = guardian.publish_joint_key()

        # Assert
        self.assertIsNone(joint_key)

        # Act
        guardian.save_election_partial_key_verification(verification)
        joint_key = guardian.publish_joint_key()

        # Assert
        self.assertIsNotNone(joint_key)
        self.assertNotEqual(joint_key,
                            guardian.share_election_public_key().key)
Beispiel #9
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    def test_verify_election_partial_key_backup(self):
        # Arrange
        guardian = Guardian(
            SENDER_GUARDIAN_ID, SENDER_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        other_guardian = Guardian(
            RECIPIENT_GUARDIAN_ID, RECIPIENT_SEQUENCE_ORDER, NUMBER_OF_GUARDIANS, QUORUM
        )
        guardian.save_auxiliary_public_key(other_guardian.share_auxiliary_public_key())
        guardian.generate_election_partial_key_backups(identity_auxiliary_encrypt)
        key_backup = guardian.share_election_partial_key_backup(RECIPIENT_GUARDIAN_ID)
        other_guardian.save_election_partial_key_backup(key_backup)

        # Act
        verification = other_guardian.verify_election_partial_key_backup(
            SENDER_GUARDIAN_ID, identity_auxiliary_decrypt
        )

        # Assert
        self.assertIsNotNone(verification)
        self.assertEqual(verification.owner_id, SENDER_GUARDIAN_ID)
        self.assertEqual(verification.designated_id, RECIPIENT_GUARDIAN_ID)
        self.assertEqual(verification.verifier_id, RECIPIENT_GUARDIAN_ID)
        self.assertTrue(verification.verified)