History of Control: The Mechanisms
Backdoors in Cryptography

Since World War II and the lessons learned from the difficult process of decrypting the Enigma and Purple machines, the Anglo-Saxon world has decided to establish controls over information technology, particularly cryptology. The so-called "Five Eyes" alliance (UKUSA Agreement ) was established in 1941 for this purpose.

Four overlapping phases were thus gradually implemented to maintain this oversight over time and adapt to both...