identifiers.py 文件源码

def __init__(self, encryption_type, algorithm, padding_type, padding_algorithm, padding_mgf):
        """Prepares new WrappingAlgorithm."""
        self.encryption_type = encryption_type
        self.algorithm = algorithm
        if padding_type == padding.OAEP:
            padding_args = {
                'mgf': padding_mgf(
                    algorithm=padding_algorithm()
                ),
                'algorithm': padding_algorithm(),
                'label': None
            }
        else:
            padding_args = {}
        if padding_type is not None:
            padding_type = padding_type(**padding_args)
        self.padding = padding_type