A Brief History of Cryptology and Cryptographic Algorithms by John F. Dooley
English | PDF,EPUB(Repost) | 2013 | 104 Pages | ISBN : 331901627X | 4.8 MB
The science of cryptology is made up of two halves. Cryptography is the study of how to create secure systems for communications. Cryptanalysis is the study of how to break those systems. The conflict between these two halves of cryptology is the story of secret writing. For over two thousand years governments, armies, and now individuals have wanted to protect their messages from the “enemy”.