insider.si.edu

The mathematics of secrets : cryptography from Caesar ciphers to digital encryption / Joshua Holden

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 ...
heraldscotland

Letters: Trip down memory lane shows a rare example of the royal cipher

IF I’m not mistaken, that was a rare example of the royal cipher of King Edward VIII in use in the photograph in the Those were the days ... feature (The Herald, January 8). Few examples of the cipher ...