References
References
- Beker H Piper F 1982 Cipher Systems: The Protection of Communications London Northwood
- Wu , CK and Varadharajan , V . 2000 . Public key cryptosystems based on Boolean permutations and their applications . International Journal of Computer Mathematics , 74 ( 2 ) : 167 – 184 .
- Wu CK 1993 Boolean functions in cryptology PhD thesis, Xidian University