1. Gadgets from the Quantum Spookhouse
2. "One-Time-Pad (Vernam's Cipher) Frequently Asked Questions" by Marcus J. Ranum (November 26, 2011), which also has a cool photograph of aRussian onetime pad captured by the MI5 British spy agency, http://www.ranum.com/security/ computer_security/papers/otp-faq/.
3. "Binary Conversion" inMy Play Ground (August 29, 2012), http://www. roubaixinteractive.com/PlayGround/Binary_Conversion/Binary_To_Text.asp.