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Latest News Approved - With Summaries
SecureSkat 2.13 released
     posted by stamer, Mon 08 Jan 2018 04:39:56 PM UTC - 0 replies

This release fixes a regression introduced in the last release: due to the increased default Rabin key size of 2048 bit the signatures have been also grown. Then the usual character limit of an IRC message (512 bytes) prevents any game session during the bid phase. We solved this issue by reducing the hash size (and algorithm) of the unique game identifier.

SecureSkat 2.12 released
     posted by stamer, Thu 21 Dec 2017 05:14:54 PM UTC - 0 replies

This release is two-fold: First of all, by setting the optional environment variable ALTHOST (i.e. to an onion address of a local running hidden service, see README), the IRC and P2P connections can be established within the TOR network. That means, ...

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SecureSkat 2.11 released
     posted by stamer, Sun 03 Sep 2017 12:01:02 PM UTC - 0 replies

This is bugfix release that also reflect some small interface changes of LibTMCG. Thus the very recent version (>= 1.3.2) of LibTMCG is required.

SecureSkat 2.10 released
     posted by stamer, Sat 27 May 2017 01:54:08 PM UTC - 0 replies

After many years of inactiveness this release covers some minor bugfixes and improves the security parameters. Thus a recent version (>= 1.3.1) of LibTMCG is needed. Unfortunately, this also breaks backward compatibility with older versions of SecureSkat, i.e., game sessions with peers running a version <= 2.9 cannot be established anymore.

Our source code repository has moved
     posted by stamer, Wed 22 Jul 2015 08:45:00 PM UTC - 0 replies

The project has moved it's master source code repository from CVS to git. You can clone the repository by the following line:

git clone git://

SecureSkat 2.9 released
     posted by stamer, Fri 07 Aug 2009 08:10:39 AM UTC - 0 replies

This is a code cleanup and bugfix release. First, some namespace issues have been solved in order to compile with newer versions of GCC and stdc++. Additionally, a bug in the rank statistic command has been fixed which was introduced in the previous version 2.8. Finally, the obsolete GnuTLS dependency has been removed.

RPM packages available
     posted by stamer, Sat 12 May 2007 10:39:36 AM UTC - 0 replies

Toni Graffy (PackMan team) has kindly provided RPM packages for SuSE Linux 10.0, 10.1, and openSuSE 10.2. The packages are available on and in the PackMan repository as well.

SecureSkat 2.8 released
     posted by stamer, Thu 10 May 2007 06:22:00 AM UTC - 0 replies

The cryptographic key generation has been improved and some obsolete functions removed. Furthermore, a massive code cleanup has been performed.

SecureSkat 2.7 released
     posted by stamer, Thu 13 Apr 2006 06:22:22 AM UTC - 0 replies

The focus of this release are major feature enhancements in LibTMCG which improve the performance and communication complexity of SecureSkat significantly. Unfortunately, because of this change it is not possible to establish game sessions with versions prior to 2.7. Further, key fingerprints are now showed by the command /players and Null-games are aborted immediately, if they are lost by the playing party.

Research paper on SecureSkat available
     posted by stamer, Wed 23 Nov 2005 08:16:09 PM UTC - 0 replies

A research paper [1] on the implementation details including a performance analysis of SecureSkat is now available. This work will be published in the post-proceedings of the Western European Workshop on Research in Cryptology (WEWoRC 2005).


Older News Approved
SecureSkat 2.6 released posted by stamer, Wed 17 Aug 2005 07:08:33 PM UTC - 0 replies
SecureSkat 2.5 released posted by stamer, Sun 05 Jun 2005 09:17:27 AM UTC - 0 replies
SecureSkat 2.4 released posted by stamer, Sun 17 Apr 2005 09:42:02 PM UTC - 0 replies
SecureSkat 2.3 released posted by stamer, Thu 20 Jan 2005 07:17:32 PM UTC - 0 replies
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