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Diffstat (limited to 'docs/hazmat/backends/interfaces.rst')
| -rw-r--r-- | docs/hazmat/backends/interfaces.rst | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst index 2f63f3e0..e0937f97 100644 --- a/docs/hazmat/backends/interfaces.rst +++ b/docs/hazmat/backends/interfaces.rst @@ -345,6 +345,38 @@ A specific ``backend`` may provide one or more of these interfaces. 1.0.0 and the key size is larger than 1024; older OpenSSL versions do not support keys larger than 1024 bits. + .. method:: create_dsa_verification_ctx(public_key, signature, algorithm) + + :param public_key: An instance of a + :class:`~cryptography.hazmat.primitives.interfaces.DSAPublicKey` + provider. + + :param bytes signature: The signature to verify. + + :param algorithm: An instance of a + :class:`~cryptography.hazmat.primitives.interfaces.HashAlgorithm` + provider. + + :returns: + :class:`~cryptography.hazmat.primitives.interfaces.AsymmetricVerificationContext` + + .. method:: dsa_signature_from_components(r, s) + + :param int r: The r value which is part of a DSA signature. + + :param int s: The s value which is part of a DSA signature. + + :returns: A DSA signature in DER format. + + .. method:: dsa_hash_supported(algorithm): + + :param algorithm: An instance of a + :class:`~cryptography.hazmat.primitives.interfaces.HashAlgorithm` + provider. + + :returns: ``True`` if the specified ``algorithm`` is supported by this + backend, otherwise ``False``. + .. class:: CMACBackend |