基于android字符串的加密和解密，其他的也没什么啦，-Based on android encryption

论名气openssl不用讲啦，用其做的ca验证系统。-On the fame openssl do not talk about it, with its ca verification system.

SPN加密解密，有短块处理，采用相同的S盒，能完成基本的加密解密功能，大致就是这样的啦-SPN encryption and decryption, with short block processing, using the same S-box, to complete the basic encryption and decryption functions, so it generally is