On July 11, 2017, 9:51 a.m.
[HTML_REMOVED] .thumbs up
Posts
Topic
On Jan. 8, 2017, 12:56 p.m.
Hi,
the scripts are still running and as far as I can see, the server still bleeds correctly. :)
I restarted it (and the scripts) anyhow to make sure, we…
On Sept. 9, 2014, 4:45 p.m.
Why not simply create a topic here in the general section, where a short notice is posted whenever a new challgene is online. This does not have to be anything…
On Sept. 3, 2014, 3:42 p.m.
All three parts require exploiting the heartbleed bug. In this part, you need some data from the server which you did not need for part 1 or 2. Of course, you …
On Sept. 3, 2014, 3:38 p.m.
As mentioned on the last page of the challenge-pdf, this challenge is not a cryptographic one but a "hacking" one (nevertheless, the bug was in the implementat…
On June 23, 2014, 4:54 p.m.
An additional note for this challenge: The enigma model used in this part of the challenge uses one rotor of a different model (see hints from part 1 and 2). T…
On June 23, 2014, 12:51 p.m.
For implementing the CrypTool 2.0-Simulator we used [1] as the base reference. In general, it is very hard to find good documentation about some of the details…
On Sept. 26, 2013, 7:13 p.m.
Der kryptologische Ansatz ist folgender (beschrieben zB. in H.F. Gaines, Cryptanalysis, ab S37):
Man geht davon aus, dass ein (langes) Wort bekannt ist, zB.…
On Sept. 16, 2013, 2:58 a.m.
Hi,
the private key is generated locally in your browser. Only the public key is sent to the CA, which in turn signs it.
However, you are correct with o…
On July 1, 2013, 2:07 p.m.
Dazu gibt prinzipell zwei Ansätze:
1.) Sie "probieren" es mit allen möglichen Schlüssellängen (d.h. brute-force der Schlüssellänge). Wie Sie schon sagten, k…
On June 24, 2013, 6:10 p.m.
Ihr Ansatz wäre richtig, wenn die verwendete Schlüssellänge genau 5x8 = 40 wäre. In diesem Fall würden sie sogenannte mehrfache Anagramme suchen.
Leider is…
On March 28, 2013, 12:02 p.m.
Dear jomandi,
yes and yes. Both messages have been encrypted with the same ADFGVX-key (substitution and transposition).
Cheers,
Arno
On March 27, 2013, 1:36 p.m.
Dear George,
yes, I know [HTML_REMOVED] - I helped in designing the definitions for the levels [HTML_REMOVED] :). However, challenges which can be solved al…
On March 27, 2013, 12:44 a.m.
Hi there,
first, lets distinguish between the three parts of this challenge and the two messages in the first part. Therefore, we are talking right now abou…