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Diffstat (limited to 'docs/hazmat/backends/interfaces.rst')
-rw-r--r-- | docs/hazmat/backends/interfaces.rst | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst index 2f63f3e0..6833f221 100644 --- a/docs/hazmat/backends/interfaces.rst +++ b/docs/hazmat/backends/interfaces.rst @@ -345,6 +345,42 @@ 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. DER encoded as + specified in :rfc:`6979`. + + :param algorithm: An instance of a + :class:`~cryptography.hazmat.primitives.interfaces.HashAlgorithm` + provider. + + :returns: + :class:`~cryptography.hazmat.primitives.interfaces.AsymmetricVerificationContext` + + .. 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``. + + .. method:: dsa_parameters_supported(p, q, g): + + :param int p: The p value of a DSA key. + + :param int q: The q value of a DSA key. + + :param int g: The g value of a DSA key. + + :returns: ``True`` if the given values of ``p``, ``q``, and ``g`` are + supported by this backend, otherwise ``False``. + .. class:: CMACBackend |