diff options
Diffstat (limited to 'docs/hazmat/backends/interfaces.rst')
| -rw-r--r-- | docs/hazmat/backends/interfaces.rst | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst index f363b541..ff389cb5 100644 --- a/docs/hazmat/backends/interfaces.rst +++ b/docs/hazmat/backends/interfaces.rst @@ -6,8 +6,8 @@ Backend interfaces .. currentmodule:: cryptography.hazmat.backends.interfaces -Backend implementations may provide a number of interfaces to support operations -such as :doc:`/hazmat/primitives/symmetric-encryption`, +Backend implementations may provide a number of interfaces to support +operations such as :doc:`/hazmat/primitives/symmetric-encryption`, :doc:`/hazmat/primitives/cryptographic-hashes`, and :doc:`/hazmat/primitives/mac/hmac`. @@ -275,6 +275,14 @@ A specific ``backend`` may provide one or more of these interfaces. :class:`~cryptography.hazmat.primitives.interfaces.AsymmetricPadding` provider. + :return bytes: The decrypted data. + + :raises cryptography.exceptions.UnsupportedAlgorithm: If an unsupported + MGF, hash function, or padding is chosen. + + :raises ValueError: When decryption fails or key size does not match + ciphertext length. + .. method:: encrypt_rsa(public_key, plaintext, padding) :param public_key: An instance of an @@ -287,6 +295,12 @@ A specific ``backend`` may provide one or more of these interfaces. :class:`~cryptography.hazmat.primitives.interfaces.AsymmetricPadding` provider. + :return bytes: The encrypted data. + + :raises cryptography.exceptions.UnsupportedAlgorithm: If an unsupported + MGF, hash function, or padding is chosen. + + :raises ValueError: When plaintext is too long for the key size. .. class:: TraditionalOpenSSLSerializationBackend |