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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/hazmat/primitives/asymmetric/rsa.rst | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/docs/hazmat/primitives/asymmetric/rsa.rst b/docs/hazmat/primitives/asymmetric/rsa.rst index 54839119..71b7cd9c 100644 --- a/docs/hazmat/primitives/asymmetric/rsa.rst +++ b/docs/hazmat/primitives/asymmetric/rsa.rst @@ -7,13 +7,37 @@ RSA `RSA`_ is a `public-key`_ algorithm for encrypting and signing messages. + +.. function:: generate_private_key(public_exponent, key_size, backend) + + .. versionadded:: 0.5 + + Generate an RSA private key using the provided ``backend``. + + :param int public_exponent: The public exponent of the new key. + Usually one of the small Fermat primes 3, 5, 17, 257, 65537. If in + doubt you should `use 65537`_. + :param int key_size: The length of the modulus in bits. For keys + generated in 2014 it is strongly recommended to be + `at least 2048`_ (See page 41). It must not be less than 512. + Some backends may have additional limitations. + :param backend: A + :class:`~cryptography.hazmat.backends.interfaces.RSABackend` + provider. + :return: A :class:`~cryptography.hazmat.primitives.interfaces.RSAPrivateKey` + provider. + + :raises cryptography.exceptions.UnsupportedAlgorithm: This is raised if + the provided ``backend`` does not implement + :class:`~cryptography.hazmat.backends.interfaces.RSABackend` + .. class:: RSAPrivateKey(p, q, private_exponent, dmp1, dmq1, iqmp, public_exponent, modulus) .. versionadded:: 0.2 An RSA private key is required for decryption and signing of messages. - You should use :meth:`~generate` to generate new keys. + You should use :func:`generate_private_key` to generate new keys. .. warning:: This method only checks a limited set of properties of its arguments. |