good webiste

NOSQL  比较

http://blog.csdn.net/ithomer/article/details/38828723

app签名解析

http://www.blogjava.net/zh-weir/archive/2011/07/19/354663.html

java签名认证代码

http://www.ibm.com/developerworks/cn/java/l-security/

axure