@classmethod
def get_by_id(cls, algorithm_id):
    """Return the correct member based on the algorithm_id value.

        :param algorithm_id: Value of algorithm_id field with which to retrieve Algorithm
        :type algorithm_id: int
        :returns: Algorithm with ID algorithm_id
        :rtype: aws_encryption_sdk.identifiers.Algorithm
        """
    return cls.__rlookup__[algorithm_id]
