Challenge "Handycipher — Part 10" ¶
By: admin on June 25, 2019, 5:10 p.m.
Handycipher is a low-tech stream cipher, simple enough to permit pen-and-paper encrypting and decrypting of messages, while providing a significantly high level of security. Handycipher was first published in 2014 and further improved in 2015 and 2016. Part 10 of the Handycipher series presents the same challenge as Part 9 but with a different key choice. It is a ciphertext-only challenge.
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Last edited by: admin on Oct. 31, 2021, 2:55 a.m., edited 1 time in total.