encrypt

http://damiao-cn.iteye.com/blog/228947

http://huaqingfly.iteye.com/blog/383525

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

http://www.aviransplace.com/2004/10/12/using-rsa-encryption-with-java/

http://blog.youkuaiyun.com/hongbo781202/category/35441.aspx?PageNumber=2