CRYPTOGRAPHY
Shannon Ciphers and Perfect Security
Jan 16 · 6 min read
A Shannon cipher, invented by its namesake Claude Shannon (1916–2001) is a simplified cipher mechanism for encrypting a message using a shared secret key. A cipher is generally defined simply as an algorithm for performing encryption or decryption, i.e. “a series of well-defined steps that can be followed as a procedure”.
Example (Boneh & Shoup, 2020)…
