diff options
Diffstat (limited to 'CHANGES.txt')
| -rw-r--r-- | CHANGES.txt | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/CHANGES.txt b/CHANGES.txt index 8d5a00e77..45fc19762 100644 --- a/CHANGES.txt +++ b/CHANGES.txt @@ -43,6 +43,24 @@ Bug Fixes attribute of the request. It no longer fails in this case. See https://github.com/Pylons/pyramid/issues/700 +Deprecations +------------ + +- The ``pyramid.authentication.AuthTktAuthenticationPolicy`` authentication + policy is deprecated in Pyramid 1.4 due to its use of the MD5 hashing + algorithm, which has known hash collision vulnerabilities. The risk of an + exploit is low. However, for improved authentication security, use the + ``pyramid.authentication.SHA512AuthTktAuthenticationPolicy`` instead. + Cookies generated by the AuthTktAuthenticationPolicy are not compatible with + cookies generated by the SHA512AuthTktAuthenticationPolicy, however, so + switching to the latter will imply that all existing users with a valid + cookie will be required to re-login. The SHA-512 version is not compatible + with Apache's mod_auth_tkt either, so if you are relying on that + compatibility, you'll want to stick with the MD5 version. + + A deprecation warning is now emitted when the AuthTktAuthenticationPolicy is + imported. + Internals --------- @@ -50,7 +68,7 @@ Internals move ``CyclicDependencyError`` from ``pyramid.config.util`` to ``pyramid.exceptions``, rename ``Singleton`` to ``Sentinel`` and move from ``pyramid.config.util`` to ``pyramid.config.util``; this is in an effort to - move that stuff that may be an API one day out of ``pyramid.config.util, + move that stuff that may be an API one day out of ``pyramid.config.util``, because that package should never be imported from non-Pyramid code. TopologicalSorter is still not an API, but may become one. |