About this document
Common Codes and Ciphers Explained by bill bull is a document available to read on EtoBox.
This document discusses various types of ciphers and codes that have been used throughout history to encrypt messages. It describes substitution ciphers where letters are replaced or rotated, transpositional ciphers where the letters in a message are rearranged in a grid pattern, and more complex ciphers like the pigpen cipher, Playfair cipher and the Enigma machine used in World Wars. It also mentions that audio and video files can be compressed using encoding schemes like MPEG3 and MPEG4.
- Author
- bill bull
- Language
- EN