1. Slippery hill-climbing technique for ciphertext-only cryptanalysis of periodic polyalphabetic substitution ciphers. Issue 3 (3rd May 2020) Authors: Kaeding, Thomas Journal: Cryptologia Issue: Volume 44:Issue 3(2020) Page Start: 205 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗