MysteryTwister C3
NUMBER OF ACTIVE MEMBERS:

8161
Follow us: Facebook Twitter
 



Level III Challenges (57)

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

Handycipher — Part 7

[kallick-21] - 1 user already solved this challenge, 1 is working on it.
 
 
 

Handycipher is a newly created cipher designed to permit pen-and-paper encrypting and decrypting, while providing a significantly high level of security. Part 7 is the same as Part 4, but uses an improved version of the cipher. You are given the ciphertext and the first 229 letters of the plaintext.
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: 2017-01-21 22:11
Maximum number of attempts for this challenge: 20

All successful users of this challenge

Rank User (#1) Achieved points (Global score) y-m-d - h:m:s

george lasry (george4096) 14917 (248109) 2017-05-28 23:43:15
You must be logged in to solve the challenge
Pages [1] 1 Show All  
 
 
powered by the CrypTool project  CrypTool

 

   +++    [12:39 - 29.07.2017] michaelm solved the Level II challenge 'Kaskade-S/T — Part 6 (RansomKaskade Part 1)'    +++    [12:12 - 29.07.2017] george4096 solved the Level II challenge 'Monoalphabetic substitution with camouflage — Part 3'    +++    [12:08 - 29.07.2017] george4096 solved the Level II challenge 'Monoalphabetic substitution with camouflage — Part 2'    +++    [11:54 - 29.07.2017] george4096 solved the Level I challenge 'Monoalphabetic substitution with camouflage — Part 1'    +++    [11:30 - 29.07.2017] george4096 solved the Level II challenge 'Monoalphabetic Substitution with Camouflage — Part 5'    +++