crytage and decryptage with rsa 64 bits

简单的文件加密代码 一个不错的文件加密系统，对你工作的安全大大加强。-simple file encryption code a good file encryption system, you have the right security greatly enhanced.

硬盘保护锁,绝对经典，研究硬盘加密的不得不看呀-Hard drive protection locks, an absolute classic, researchers have looked hard disk encryption

Motivation - A simple DES core  - Fast and Small Version  - Open Source Compatibility I believe that the core complies to NIST-800-17. However, there has been no formal third party verification. The official NIST specification can be downloaded here: 800-17.pdf. For the Triple DES, the NIST reference is located here: 

打包文件，VB源码，还好，值得学习和使用.-Packing paper, VB source, Fortunately, it is worth learning and use.

base64 算法，这是一个非常详细的编码和解码的过程-base64 algorithm, this is a very detailed process of encoding and decoding

FEC2/3加解码-FEC2/3 plus decoder

shs加密源程序-29-57 encryption source

对JPEG2000图像的小波系数的最高两位平面用随机数进行加密-JPEG2000 images of wavelet coefficients with the highest two-plane random number encrypted

RSA implementation by using Java