MysteryTwister C3
NUMBER OF ACTIVE MEMBERS:

6190
Follow us: Facebook Twitter
 



Level X Challenges (12)

Page 1 of the challenges in Level X, ordered by date posted (the most recent appear first).

Double Column Transposition

[schmeh-03] - 2 users already solved this challenge.
 
 
 

The double columnar transposition is considered one of the best manual encryption systems. Many secret organizations have made use of it or still use it today. As there are only a few publications on this method, it is not clear if and how a well-constructed double transposition cipher can be broken.
Read more...

Click here to get to the corresponding forum topic to share your opinion.
Click here to download the challenge.

Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2010-10-14 13:30
Maximum number of attempts for this challenge: 0

All successful users of this challenge

Rank User (#2) Achieved points (Global score) y-m-d - h:m:s

george lasry (george4096) 11000 (40125) 2013-11-26 17:23:24
Jim Gillogly (Scryer) 10000 (21260) 2013-12-31 13:58:23
The solution for this challenge was made public on 2014-06-13, and thus it is not possible to get points for this challenge any more. However, you can still solve and enter a solution for this challenge. If you believe you have the solution, you can still write us an email.
You must be logged in to solve the challenge
Pages [1] 1 Show All  
 
 
powered by the CrypTool project  CrypTool

 

   +++    [15:58 - 25.04.2015] NoelzzeN solved the Level I challenge 'M-138 — Part 1'    +++    [13:56 - 25.04.2015] planetlane solved the Level I challenge 'M-138 — Part 1'    +++    [13:12 - 25.04.2015] NoelzzeN solved the Level II challenge 'M-138 — Part 3'    +++    [03:33 - 25.04.2015] a.westy solved the Level I challenge 'Number Sequence'    +++    [03:29 - 25.04.2015] a.westy solved the Level I challenge 'Beaver Code'    +++