authentication.py 文件源码

def from_key_bytes(cls, algorithm, key_bytes):
        """Creates a `Verifier` object based on the supplied algorithm and raw verification key.

        :param algorithm: Algorithm on which to base verifier
        :type algorithm: aws_encryption_sdk.identifiers.Algorithm
        :param bytes encoded_point: Raw verification key
        :returns: Instance of Verifier generated from encoded point
        :rtype: aws_encryption_sdk.internal.crypto.Verifier
        """
        return cls(
            algorithm=algorithm,
            key=serialization.load_der_public_key(
                data=key_bytes,
                backend=default_backend()
            )
        )