This MD5 method performs better than the traditional MD5 implementation, at about 10 times the speed of the traditional one. Instructions:

var result: String = FastMD5.hash ("some string");

这个MD5方法比传统的MD5实现方式性能更好，其速度大概是传统的10倍左右。使用方法：

var result:String=FastMD5.hash("some string");