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| author | Alex Gaynor <alex.gaynor@gmail.com> | 2014-03-15 15:15:30 -0700 |
|---|---|---|
| committer | Alex Gaynor <alex.gaynor@gmail.com> | 2014-03-15 15:15:30 -0700 |
| commit | 106cc54b4344cc97af54eccb4d873434efe4203a (patch) | |
| tree | f1253ea7cbd411c5f97e25558defc5de6eb95cd1 /docs/hazmat | |
| parent | 7b9d92416ece98fdb12b2c220b81d5180bc87945 (diff) | |
| parent | a0fdedef7328615fad7f174d52d6dc36346c7e2f (diff) | |
| download | cryptography-106cc54b4344cc97af54eccb4d873434efe4203a.tar.gz cryptography-106cc54b4344cc97af54eccb4d873434efe4203a.tar.bz2 cryptography-106cc54b4344cc97af54eccb4d873434efe4203a.zip | |
Merge pull request #775 from reaperhulk/rsa-mgf1-class
add MGF1 class, docs, tests
Diffstat (limited to 'docs/hazmat')
| -rw-r--r-- | docs/hazmat/primitives/asymmetric/padding.rst | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/docs/hazmat/primitives/asymmetric/padding.rst b/docs/hazmat/primitives/asymmetric/padding.rst index 7aec3bd3..8a034329 100644 --- a/docs/hazmat/primitives/asymmetric/padding.rst +++ b/docs/hazmat/primitives/asymmetric/padding.rst @@ -17,4 +17,27 @@ Padding PKCS1 v1.5 (also known as simply PKCS1) is a simple padding scheme developed for use with RSA keys. It is defined in :rfc:`3447`. +Mask Generation Functions +~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. class:: MGF1(algorithm, salt_length) + + .. versionadded:: 0.3 + + MGF1 (Mask Generation Function 1) is used as the mask generation function + in :class:`PSS` padding. It takes a hash algorithm and a salt length. + + :param algorithm: An instance of a + :class:`~cryptography.hazmat.primitives.interfaces.HashAlgorithm` + provider. + + :param int salt_length: The length of the salt. It is recommended that this + be set to ``MGF1.MAX_LENGTH``. + + .. attribute:: MAX_LENGTH + + Pass this attribute to ``salt_length`` to get the maximum salt length + available. + + .. _`Padding is critical`: http://rdist.root.org/2009/10/06/why-rsa-encryption-padding-is-critical/ |