Challenge "Handycipher — Part 9" ¶
By: admin on Jan. 21, 2017, 10:17 p.m.
Handycipher is a newly created cipher designed to permit pen-and-paper encrypting and decrypting, while providing a significantly high level of security. Part 9 is the same as Part 6, but uses an improved version of the cipher. It is a ciphertext-only challenge.