Java Security

深入理解Android之Java Security
http://blog.csdn.net/innost/article/details/44081147
http://blog.csdn.net/innost/article/details/44199503


Android 數據加密及安全網絡通信雜談
http://blog.csdn.net/suntongo/article/details/51332681
http://blog.csdn.net/suntongo/article/details/51375639