pure Python XML Security
Project description
python XML Security
This is a python implementation of XML-Security - XML-DSIG only right now. There are no dependencies except lxml and pyca/cryptography currently.
This code was inspired by https://github.com/andrewdyates/xmldsig (this implementation is a refactor and extension of that implementation) and in former versions used to include a pure-python RSA implementation https://github.com/andrewdyates/rsa_x509_pem by and with permission from Andrew Yates. Cryptographic primitives are now provided by pyca/cryptography (https://cryptography.io).
In order to sign with a PKCS#11-module you need to install pykcs11 (http://www.bit4id.org/pykcs11/)
This package is available under the NORDUnet BSD license (cf LICENSE.txt)
Limitations:
only support for RSA-SHA1/256/512 signatures with PKCS1.5 padding
no encryption support
Some of those limitations might be addressed. Patches and pull-requests are most welcome!
News
0.1
Release date: UNRELEASED
This is the first unreleased version of the code
0.2
Release date: Mon Aug 27 12:42:45 CEST 2012
more rubust algorithm uri parsing
support for “#”-style IDs
partial support for <Transform/> elts with child-elements
make all exceptions an XMLSecException
first draft: sign
various cleanups
0.3
Release date: Tue Aug 28 09:46:47 CEST 2012
handle #-style references (remove top-level comments and PIs)
don’t unescape & < and >
don’t give empty inclusive ns prefix list to c14n
move exception to separate file
first version of the pkcs11 shim layer
0.4
Release date: Wed Aug 29 12:43:05 CEST 2012
starting on tests
cleanup pkcs11 layer
various bugfixes and cleanup
0.5
Release date: Wed Sep 5 11:52:58 CEST 2012
Fix bug when signing using non-p11 keys
More robust PEM-unfolding
0.6
Release date: Fri Nov 30 10:29:03 CET 2012
Allow Reference@URI to be passed as argument
0.7
Release date: Mon Feb 4 15:53:32 CET 2013
Minor fixes
0.8
Release date: Wed Apr 3 09:05:53 CEST 2013
Multiple bugfixes
More SAML and P11 testcases
0.9
Release date: Mon Jun 24 11:24:20 CEST 2013
Bugfixes
Protection against wrapping attacks (new API!)
0.10
Release date: Thu Sep 12 20:16:04 CEST 2013
fix PEM parser bug
switch to semantic versioning
0.11
Release date: Fri Oct 11 17:06:53 CEST 2013
better control over the position of the signature element
0.12
Release date: Wed Dec 4 15:00:29 CET 2013
use pyconfig to control configuration parameters
support sha2 algorithms
several bugfixes for c14n
0.13
Release date: lör 22 mar 2014 10:44:49 CET
various unicode fixes related to pkcs#11
skip certain tests unless opensc is installed
use existing SignatureValue if present
various fixes from Fredrik T and Maya W
0.14
Release date: Mon Dec 1 08:58:54 CET 2014
Add explicit call to C_Initialize
Various bugs fixed - from Fredrik T
Allow caller control over session close
0.15
Release date: mån 16 nov 2015 13:40:26 CET
xmlsign: a simple sign cmdline tool
optionally drop signatures when validating
avoid logging keysize in p11 case
put a lock around pyasn1 parser
make cert loading thread safe
bugfixes
0.16
Release ons 13 dec 2017 21:10:29 CET
crypto abstraction
switch to sha256 default
verify and sign cmdline tools
lots of bugfixes
0.17
Release tor 14 dec 2017 12:27:48 CET
fix base64 bug
fix bug in cmdline verify serialization
0.18
Release fre 25 maj 2018 19:43:54 CEST
fix verification bug affecting sha512
0.19
Release tis 22 jan 2019 13:53:49 CET
python3 compatibility
fix private key leak issue
P11 fixes
test improvements
0.20
Release tis 10 sep 2019 19:41:58 CEST
more p3 compat
0.21
Release ons 19 feb 2020 16:21:05 CET
add cmdline arg for setting position of signature in xmlsign tool
0.30
Release ons 28 Feb 2023 16:51:25 CET
add support for non-RSA and non-PKCS1 v1.5 padding
improved logging
drop python3
fix for mgf1 verification
avoid tripping up on missing fingerprints - validate over all signatures
correct import for MutableMapping
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