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Diffstat (limited to 'docs/hazmat/primitives/asymmetric/dsa.rst')
| -rw-r--r-- | docs/hazmat/primitives/asymmetric/dsa.rst | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/docs/hazmat/primitives/asymmetric/dsa.rst b/docs/hazmat/primitives/asymmetric/dsa.rst index 2167e528..42e3af2e 100644 --- a/docs/hazmat/primitives/asymmetric/dsa.rst +++ b/docs/hazmat/primitives/asymmetric/dsa.rst @@ -7,6 +7,43 @@ DSA `DSA`_ is a `public-key`_ algorithm for signing messages. +.. function:: generate_parameters(key_size, backend) + + .. versionadded:: 0.5 + + Generate DSA parameters using the provided ``backend``. + + :param int key_size: The length of the modulus in bits. It should be + either 1024, 2048 or 3072. For keys generated in 2014 this should + be `at least 2048`_ (See page 41). Note that some applications + (such as SSH) have not yet gained support for larger key sizes + specified in FIPS 186-3 and are still restricted to only the + 1024-bit keys specified in FIPS 186-2. + + :param backend: A + :class:`~cryptography.hazmat.backends.interfaces.DSABackend` + provider. + + :return: A :class:`~cryptography.hazmat.primitives.interfaces.DSAParameters` + provider. + + :raises cryptography.exceptions.UnsupportedAlgorithm: This is raised if + the provided ``backend`` does not implement + :class:`~cryptography.hazmat.backends.interfaces.DSABackend` + +.. function:: generate_private_key(parameters) + + .. versionadded:: 0.5 + + Generate an DSA private key using the provided parameters. + + :param parameters: A + :class:`~cryptography.hazmat.primitives.interfaces.DSAParameters` + provider. + + :return: A :class:`~cryptography.hazmat.primitives.interfaces.DSAPrivateKey` + provider. + .. class:: DSAParameters(modulus, subgroup_order, generator) .. versionadded:: 0.4 |