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author | Aviv Palivoda <palaviv@gmail.com> | 2017-03-06 04:24:55 +0200 |
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committer | Paul Kehrer <paul.l.kehrer@gmail.com> | 2017-03-05 22:24:55 -0400 |
commit | e44efb634fb1db024fcd6e110eacbf59abbc4782 (patch) | |
tree | c651a6852af687260bda8e9feda88f6b64a6b036 /docs/hazmat/backends | |
parent | 3bab4e5e356409920e17e2a0aad1eec4f2135e6a (diff) | |
download | cryptography-e44efb634fb1db024fcd6e110eacbf59abbc4782.tar.gz cryptography-e44efb634fb1db024fcd6e110eacbf59abbc4782.tar.bz2 cryptography-e44efb634fb1db024fcd6e110eacbf59abbc4782.zip |
DH subgroup order (q) (#3369)
* Support DH q (subgroup order)
* Change RFC5114.txt to NIST format
* Add tests for DH q
* Update docs for DH q
* Fix pep8
* Improve test covergae for DH q
* Create _dh_params_dup that copy q if DHparams_dup don't
On OpenSSL < 1.0.2 DHparams_dup don't copy q. _dh_params_dup
call DHparams_dup and if the version is smaller than 1.0.2
copy q manually
* Copy q manually on libressl
* Add to test vectors serialized RFC5114 2048 bit DH parameters with 224 bit subgroup
* Support serialization of DH with q
* Add tests for serialization of DH with q
* Support DH serialization with q only if Cryptography_HAS_EVP_PKEY_DHX is true
* Raise exception when trying to serialize DH X9.42 when not supported
* raise unsupported key type when deserilizing DH X9.42 if not supported
* pep8 fixes
* Fix test_serialization
* Add dhx_serialization_supported method to DHBacked
* document q in dh_parameters_supported
* Rename dhx_serialization_supported to dh_x942_serialization_supported
Diffstat (limited to 'docs/hazmat/backends')
-rw-r--r-- | docs/hazmat/backends/interfaces.rst | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst index 87fc6ab7..4f15d5c6 100644 --- a/docs/hazmat/backends/interfaces.rst +++ b/docs/hazmat/backends/interfaces.rst @@ -666,14 +666,23 @@ A specific ``backend`` may provide one or more of these interfaces. :raises cryptography.exceptions.UnsupportedAlgorithm: This is raised when any backend specific criteria are not met. - .. method:: dh_parameters_supported(p, g) + .. method:: dh_parameters_supported(p, g, q=None) :param int p: The p value of the DH key. :param int g: The g value of the DH key. - :returns: ``True`` if the given values of ``p`` and ``g`` are supported - by this backend, otherwise ``False``. + :param int q: The q value of the DH key. + + :returns: ``True`` if the given values of ``p``, ``g`` and ``q`` + are supported by this backend, otherwise ``False``. + + .. versionadded:: 1.8 + + .. method:: dh_x942_serialization_supported() + + :returns: True if serialization of DH objects with + subgroup order (q) is supported by this backend. .. class:: ScryptBackend |