1. R.L. Rivest, “The RC4 encryption algorithm”. RSA Data Sec., Inc. Available at: http://www.isaac.cs.berkeley.edu/isaac/wep-faq.html.
2. GSM, Global systems for mobile communications. Available at: http://cryptome.org/gsm-a512.htm.
3. Bluetooth, specifications of the bluetooth system, v4.0. Available at: http://www.bluetooth.com/.
4. eSTREAM, the ECRYPT stream cipher project, Call for Primitives. Available at: http://www.ecrypt.eu.org/stream/.
5. Shift Register Sequences;Golomb,1982