Rivest, R. L. (1994). "The RC5 Encryption Algorithm"(PDF). Proceedings of the Second International Workshop on Fast Software Encryption (FSE) 1994e. pp. 86–96. Archived from the original(PDF) on 2007-04-17. Retrieved 2004-12-18.
Rivest, R. L. (1994). "The RC5 Encryption Algorithm"(PDF). Proceedings of the Second International Workshop on Fast Software Encryption (FSE) 1994e. pp. 86–96. Archived from the original(PDF) on 2007-04-17. Retrieved 2004-12-18.