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Luke Plant 45c7f427ce Fixed #14445 - Use HMAC and constant-time comparison functions where needed.
All adhoc MAC applications have been updated to use HMAC, using SHA1 to
generate unique keys for each application based on the SECRET_KEY, which is
common practice for this situation. In all cases, backwards compatibility
with existing hashes has been maintained, aiming to phase this out as per
the normal deprecation process. In this way, under most normal
circumstances the old hashes will have expired (e.g. by session expiration
etc.) before they become invalid.

In the case of the messages framework and the cookie backend, which was
already using HMAC, there is the possibility of a backwards incompatibility
if the SECRET_KEY is shorter than the default 50 bytes, but the low
likelihood and low impact meant compatibility code was not worth it.

All known instances where tokens/hashes were compared using simple string
equality, which could potentially open timing based attacks, have also been
fixed using a constant-time comparison function.

There are no known practical attacks against the existing implementations,
so these security improvements will not be backported.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14218 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-10-14 20:54:30 +00:00
django Fixed #14445 - Use HMAC and constant-time comparison functions where needed. 2010-10-14 20:54:30 +00:00
docs Fixed #14445 - Use HMAC and constant-time comparison functions where needed. 2010-10-14 20:54:30 +00:00
extras Fixed #12174 -- Corrected Bash command line completion when calling "python manage.py". Thanks to sethp for the report, and SmileyChris for the initial patch. 2010-02-05 15:42:22 +00:00
scripts Added a man page for django-admin.py. Also install it correctly as part of the 2007-06-10 06:33:31 +00:00
tests Fixed #14445 - Use HMAC and constant-time comparison functions where needed. 2010-10-14 20:54:30 +00:00
AUTHORS Added myself to committers 2010-10-12 01:48:21 +00:00
INSTALL Updated INSTALL file 2009-10-30 08:24:05 +00:00
LICENSE Updated LICENSE file to acknowledge individual copyrights as well (after 2008-08-09 14:40:51 +00:00
MANIFEST.in More cleanups for the manifest file. 2010-09-12 06:37:39 +00:00
README Fixed #12951 -- Corrected README link for deployment. Thanks to carljm for the report. 2010-02-24 13:54:53 +00:00
setup.cfg Fixed #13153 -- Removed a stale reference to the examples directory in setup.cfg. Thanks to cesar@mifprojects.com for the report. 2010-08-05 13:00:09 +00:00
setup.py Bump to 1.2.1. 2010-05-24 19:10:30 +00:00

README

Django is a high-level Python Web framework that encourages rapid development
and clean, pragmatic design.

All documentation is in the "docs" directory and online at
http://docs.djangoproject.com/en/dev/. If you're just getting started, here's
how we recommend you read the docs:

    * First, read docs/intro/install.txt for instructions on installing Django.

    * Next, work through the tutorials in order (docs/intro/tutorial01.txt,
      docs/intro/tutorial02.txt, etc.).

    * If you want to set up an actual deployment server, read
      docs/howto/deployment/index.txt for instructions.

    * You'll probably want to read through the topical guides (in docs/topics)
      next; from there you can jump to the HOWTOs (in docs/howto) for specific
      problems, and check out the reference (docs/ref) for gory details.

Docs are updated rigorously. If you find any problems in the docs, or think they
should be clarified in any way, please take 30 seconds to fill out a ticket
here:

http://code.djangoproject.com/newticket

To get more help:

    * Join the #django channel on irc.freenode.net. Lots of helpful people
      hang out there. Read the archives at http://botland.oebfare.com/logger/django/.

    * Join the django-users mailing list, or read the archives, at
      http://groups.google.com/group/django-users.

To contribute to Django:

    * Check out http://www.djangoproject.com/community/ for information
      about getting involved.