MysteryTwister C3
NUMBER OF ACTIVE MEMBERS:

8045
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).

Weakened Handycipher — Part 2

[kallick-10] - 7 users already solved this challenge.
 
 
 

The challenges for the weakened Handycipher serve as an exercise and use an intentionally weakened version of Handycipher. Part 2 is a ciphertext-only challenge with a helping additional information.
Handycipher is a newly designed cipher to permit pen-and-paper encrypting and decrypting, while providing a significantly high level of security.
Read more...

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

Author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published on: 2015-05-13 11:48
Maximum number of attempts for this challenge: 15

All successful users of this challenge

Rank User (#7) Achieved points (Global score) y-m-d - h:m:s

Kurt Gebauer (Yokozuna) 2000 (120839) 2015-05-13 16:00:48
Armin Krauss (argh) 1523 (152721) 2015-05-21 01:33:08
Julia Bernotat (El Greco ) 1502 (81129) 2015-05-21 18:04:20
Alain (Integral) 1357 (198642) 2015-06-06 13:54:36
#5 Michael Möller (michaelm) 1220 (117401) 2015-09-08 05:32:57
#6 zahir mohsen moradi (ariobarzan) 1216 (99757) 2015-09-14 18:26:02
#7 Em Doulgerakis (Greko) 1155 (109970) 2016-05-31 12:37:35
You must be logged in to solve the challenge
Pages [1] 1 Show All  
 
 
powered by the CrypTool project  CrypTool

 

   +++    [20:10 - 25.05.2017] kasia-tutej solved the Level I challenge 'Number Sequence — Part 2'    +++    [15:58 - 25.05.2017] kasia-tutej solved the Level I challenge 'Number Sequence'    +++    [13:56 - 25.05.2017] mir0soft solved the Level I challenge 'ECDH-Key Exchange for Beginners'    +++    [07:50 - 25.05.2017] joelhdzhdz solved the Level II challenge 'Alice's Birthday Party (Part 1)'    +++    [03:35 - 25.05.2017] tryeng solved the Level I challenge 'A hidden word — Part 2'    +++