Introduction to Cryptography Basic Principles - http://www.thegeekstuff.com/2012/07/cryptography-basics/

http://www.thegeekstuff.com/2013/01/diffie-hellman-key-exchange-algorithm

http://meri-stuff.blogspot.hk/2013/11/cryptography-theory-1-meaning-of-secure.html

getting-a-list-of-available-cryptographic-algorithms - http://invariantproperties.com/2014/08/03/getting-a-list-of-available-cryptographic-algorithms/

Differential privacy - http://www.infoq.com/cn/articles/differential-privacy-intro https://www.infoq.com/articles/differential-privacy-intro