JAVA加密算法JAR包，很全的。

Md5加密算法的java简单实现，原生JDK实现，不需要第三方Jar包。-Md5 encryption algorithm java simple implementation, native JDK implementation, no third party Jar package.

用java实现国家加密算法SM3，但里面jar包需要自己下载完成-Using java encryption algorithm to achieve the national SM3, but the inside of the jar package requires its own download complete