The theory that statesman and scientist Francis Bacon was the ghostwriter behind Shakespeare, and embedded the Bard's plays with ciphers, had a major influence on modern cryptography. William F.

Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

The Nazi relic's history is riddled with resilience errors, and those lessons still apply to defending against modern cyber ...

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...