diff options
| -rw-r--r-- | cryptography/hazmat/primitives/serialization.py | 8 | ||||
| -rw-r--r-- | docs/hazmat/primitives/asymmetric/serialization.rst | 38 | ||||
| -rw-r--r-- | tests/hazmat/primitives/test_serialization.py | 32 |
3 files changed, 77 insertions, 1 deletions
diff --git a/cryptography/hazmat/primitives/serialization.py b/cryptography/hazmat/primitives/serialization.py index ed73c4c4..056d4a06 100644 --- a/cryptography/hazmat/primitives/serialization.py +++ b/cryptography/hazmat/primitives/serialization.py @@ -24,3 +24,11 @@ def load_pem_pkcs8_private_key(data, password, backend): return backend.load_pkcs8_pem_private_key( data, password ) + + +def load_rsa_private_numbers(numbers, backend): + return backend.load_rsa_private_numbers(numbers) + + +def load_rsa_public_numbers(numbers, backend): + return backend.load_rsa_public_numbers(numbers) diff --git a/docs/hazmat/primitives/asymmetric/serialization.rst b/docs/hazmat/primitives/asymmetric/serialization.rst index 2b3eb511..e53d0d1f 100644 --- a/docs/hazmat/primitives/asymmetric/serialization.rst +++ b/docs/hazmat/primitives/asymmetric/serialization.rst @@ -98,3 +98,41 @@ header that mentions the type of the serialized key. e.g. :raises UnsupportedAlgorithm: If the serialized key is of a type that is not supported by the backend or if the key is encrypted with a symmetric cipher that is not supported by the backend. + + +RSA Numbers +~~~~~~~~~~~ + +.. function:: load_rsa_private_numbers(numbers, backend) + + .. versionadded:: 0.5 + + Create a private key instance using the given backend and numbers. + + :param numbers: An instance of + :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateNumbers`. + + :param backend: A + :class:`~cryptography.hazmat.backends.interfaces.RSABackend` provider. + + :returns: A new instance of a private key. + + :raises UnsupportedAlgorithm: If the given backend does not support loading + numbers. + +.. function:: load_rsa_public_numbers(numbers, backend) + + .. versionadded:: 0.5 + + Create a public key instance using the given backend and numbers. + + :param numbers: An instance of + :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicNumbers`. + + :param backend: A + :class:`~cryptography.hazmat.backends.interfaces.RSABackend` provider. + + :returns: A new instance of a public key. + + :raises UnsupportedAlgorithm: If the given backend does not support loading + numbers. diff --git a/tests/hazmat/primitives/test_serialization.py b/tests/hazmat/primitives/test_serialization.py index b19990e0..53a5806f 100644 --- a/tests/hazmat/primitives/test_serialization.py +++ b/tests/hazmat/primitives/test_serialization.py @@ -23,9 +23,12 @@ from cryptography.exceptions import _Reasons from cryptography.hazmat.primitives.asymmetric import dsa, rsa from cryptography.hazmat.primitives.serialization import ( load_pem_pkcs8_private_key, - load_pem_traditional_openssl_private_key + load_pem_traditional_openssl_private_key, + load_rsa_private_numbers, + load_rsa_public_numbers ) +from .fixtures_rsa import RSA_KEY_1024 from .utils import _check_rsa_private_key, load_vectors_from_file from ...utils import raises_unsupported_algorithm @@ -544,3 +547,30 @@ class TestPKCS8Serialisation(object): pemfile.read().encode(), password, backend ) ) + + +@pytest.mark.rsa +class TestLoadRSANumbers(object): + def test_load_private_numbers(self, backend): + numbers = rsa.RSAPrivateNumbers( + p=RSA_KEY_1024["p"], + q=RSA_KEY_1024["q"], + d=RSA_KEY_1024["private_exponent"], + dmp1=RSA_KEY_1024["dmp1"], + dmq1=RSA_KEY_1024["dmq1"], + iqmp=RSA_KEY_1024["iqmp"], + public_numbers=rsa.RSAPublicNumbers( + n=RSA_KEY_1024["modulus"], + e=RSA_KEY_1024["public_exponent"] + ) + ) + private_key = load_rsa_private_numbers(numbers, backend) + assert private_key + + def test_load_public_numbers(self, backend): + numbers = rsa.RSAPublicNumbers( + n=RSA_KEY_1024["modulus"], + e=RSA_KEY_1024["public_exponent"] + ) + public_key = load_rsa_public_numbers(numbers, backend) + assert public_key |