1. Keeloq algorithm (November 2006), http://en.wikipedia.org/wiki/KeeLoq
2. Bogdanov, A.: Attacks on the KeeLoq Block Cipher and Authentication Systems. In: 3rd Conference on RFID Security 2007 (RFIDSec 2007) (2007)
3. Lecture Notes in Computer Science;A. Bogdanov,2007
4. Cast Inc. Cast aes32-c, http://www.cast-inc.com
5. Lecture Notes in Computer Science;S. Hong,2006