这个文章和附件的源代码用Crypto++，C#，java语言实现数字签名消息的签发与验证过程。-The articles and annex the source code used Crypto++, C#, Java language for issuing digital signature information with the verification process.

This a java code for MD5 encryption algorithm. MD5 is an algorithm which helps you in generating hash codes for securing your data. It s a kind of digital signature used in networks.