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pure Python XML Security

Project description

python XML Security

Travis Build Coverage Requirements Status Code Climate License Format PyPI Version

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

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 &amp; &lt; and &gt;
  • 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

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

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