1. Wimbeep. https://sites.google.com/site/wimbeep/. Wimbeep. https://sites.google.com/site/wimbeep/.
2. Zoosh. http://www.naratte.com/. Zoosh. http://www.naratte.com/.
3. Advanced Encryption Standard (AES) Nov 2001. U.S. Federal Information Processing Standard Publication 197 http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf. Advanced Encryption Standard (AES) Nov 2001. U.S. Federal Information Processing Standard Publication 197 http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf.
4. Near Field Communication Interface and Protocol (NFCIP-1) Dec 2004. ECMA-340 Standard (2nd Edition) http://www.ecma-international.org/publications/standards/Ecma-340.htm. Near Field Communication Interface and Protocol (NFCIP-1) Dec 2004. ECMA-340 Standard (2nd Edition) http://www.ecma-international.org/publications/standards/Ecma-340.htm.
5. NFC-SEC Whitepaper Dec 2008. http://www.ecma-international.org/activities/Communications/tc47--2008-089.pdf. NFC-SEC Whitepaper Dec 2008. http://www.ecma-international.org/activities/Communications/tc47--2008-089.pdf.