kms.py 文件源码

def _new_master_key(self, key_id):
        """Returns a KMSMasterKey for the specified key_id.

        :param bytes key_id: KMS CMK ID
        :returns: KMS Master Key based on key_id
        :rtype: aws_encryption_sdk.key_providers.kms.KMSMasterKey
        :raises InvalidKeyIdError: if key_id is not a valid KMS CMK ID to which this key provider has access
        """
        _key_id = to_str(key_id)  # KMS client requires str, not bytes
        return KMSMasterKey(config=KMSMasterKeyConfig(
            key_id=key_id,
            client=self._client(_key_id)
        ))