对称和非对称加密，java语言实现，可用于权限和数据加密-Symmetric and asymmetric encryption, java language, can be used for permissions and data encryption

As3 Crypto is a cryptography library written in Actionscr ipt 3 that provides several common algorithms. This version also introduces a TLS engine (TLS is commonly known as SSL.) -As3 Crypto is a cryptography library wri