Challenge "Handycipher — Part 4" ¶
By: admin on June 28, 2016, 7:50 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 4 is the same as Part 1, but uses an improved version of the cipher. You are given the ciphertext and the first 229 letters of the plaintext.