def verify()

in src/dynamodb_encryption_sdk/internal/crypto/jce_bridge/authentication.py [0:0]

• 11 lines of code
• 3 McCabe index (conditional complexity)

    def verify(self, key, signature, data):
        # type: (Any, bytes, bytes) -> None
        # narrow down the key type
        # https://github.com/aws/aws-dynamodb-encryption-python/issues/66
        """Verify ``signature`` over ``data`` using ``key``.

        :param key: Loaded key
        :param bytes signature: Signature to verify
        :param bytes data: Data over which to verify signature
        :raises SignatureVerificationError: if unable to verify ``signature``
        """
        if hasattr(key, "private_bytes"):
            _key = key.public_key()
        else:
            _key = key
        try:
            _key.verify(signature, data, self.padding_type(), self.hash_type())
        except Exception:
            message = "Unable to verify signature"
            _LOGGER.exception(message)
            raise SignatureVerificationError(message)