MysteryTwister C3
NUMBER OF ACTIVE MEMBERS:

8005
Follow us: Facebook Twitter
 



Level II Challenges (95)

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

Double-Column Transposition/Granit — Part 2

[drobick-02] - 0 users already solved this challenge.
 
 
 

This challenge series is about the GRANIT cipher, a method that can be done manually. It has been used for instance by the former GDR spy Günter Guillaume till about 1960.
Part 1, 2 and 3 of this series use the same keyword for generating the key matrix, but different permutation keys. This part has a ciphertext-only challenge and the ciphertext has 110 characters.
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: 2015-07-01 18:21
Maximum number of attempts for this challenge: 15

All successful users of this challenge

No one solved the challenge right now. Be the first!
You must be logged in to solve the challenge
Pages [1] 1 Show All  
 
 
powered by the CrypTool project  CrypTool

 

   +++    [15:41 - 24.04.2017] c2 solved the Level I challenge 'Playfair with hints about the grid'    +++    [15:19 - 24.04.2017] c2 solved the Level I challenge 'Playfair Encryption'    +++    [14:38 - 24.04.2017] c2 solved the Level I challenge 'Image Noise'    +++    [09:16 - 24.04.2017] c2 solved the Level I challenge 'ADFGVX — Part 1'    +++    [09:02 - 24.04.2017] hamster147 solved the Level I challenge 'Classical Ciphers^3'    +++