sip中的md5测试源码,可以进行md5加密认证的

MD5生成器，可以生成字符串或文件的MD5值-MD5 Generator can generate the MD5 string or document the value of

C++下的base64编码，能够支持任何数据进行base64编码。 -C++ Under the base64 encoding, can support any data base64 encoding.

java自行开发rsa-developed rsa

计算文件hash值的源代码，包含crc,md2,md4,md5,sha,sha1,sha256,ra-Calculated hash value of document

文件加密算法+VB源代码,值的初学者研究，深入-File encryption algorithm+ VB source code, the value of research for beginners, in-depth

分组密码算法,可用于文件加密 该算法设计者是著名的华人密码学家来学嘉教授-Block cipher algorithm, can be used for file encryption algorithm designed by the famous Chinese cryptographer to Xuejia Professor

CRC 32 Source Code for Visual Basic

MD4的源代码。该算法来源于应用密码学的随书附带光盘。已通过调试-MD4 source. The algorithm derived from the application of cryptography book with CD-ROM attached. Through debug

是当今比较新的算法MD5，比DES和DES5都要加密好，是dll文件，在自己写的程序中加入它，就可以直接用了，全是意接口的形式-Is the relatively new algorithm MD5, should DES5 than DES and encryption, and is a dll file, written in their own process to join it, can be directly used, the interface is intended to form ~ ~ ~ ~

Introduction to Cryptography in plain simple english. The document talks about the early day cryptography and gives some simple examples to the readers.