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# This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. from __future__ import absolute_import, division, print_function from cryptography import x509 from cryptography.hazmat.backends import _get_backend from cryptography.hazmat.primitives import serialization from cryptography.hazmat.primitives.asymmetric import dsa, ec, rsa def load_key_and_certificates(data, password, backend=None): backend = _get_backend(backend) return backend.load_key_and_certificates_from_pkcs12(data, password) def serialize_key_and_certificates(name, key, cert, cas, encryption_algorithm): if key is not None and not isinstance( key, ( rsa.RSAPrivateKeyWithSerialization, dsa.DSAPrivateKeyWithSerialization, ec.EllipticCurvePrivateKeyWithSerialization, ), ): raise TypeError("Key must be RSA, DSA, or EllipticCurve private key.") if cert is not None and not isinstance(cert, x509.Certificate): raise TypeError("cert must be a certificate") if cas is not None: cas = list(cas) if not all(isinstance(val, x509.Certificate) for val in cas): raise TypeError("all values in cas must be certificates") if not isinstance( encryption_algorithm, serialization.KeySerializationEncryption ): raise TypeError( "Key encryption algorithm must be a " "KeySerializationEncryption instance" ) if key is None and cert is None and not cas: raise ValueError("You must supply at least one of key, cert, or cas") backend = _get_backend(None) return backend.serialize_key_and_certificates_to_pkcs12( name, key, cert, cas, encryption_algorithm )