HAMMING ECC，1 BIT ERROR CORRECTION， 2 BITS ERROR DETECTION

实现BASE64编码-achieve BASE64 encoding

Tutorial for Vb .Net for Encryption/Decryption of data

MIME base64 简单的编解码,主要用于学习之用-A simple MIME base64 encoding and decoding.

为一个字节或字符数组或串计算md5值，内部只创建一个数组，节省分配时间，节省内存 完全是static方法，线程安全 注意对返回值的处理，见注释-for a byte array or character string or md5 value calculation, only to create an internal array, saving time allocated to save memory is completely static method, thread-safe attention to the return value, see note

已经通过AES认证的AES的DELPHI实现，比较好，大家自己试试看，搜的-AES has been certified by the AES DELPHI, the better, we all give it a try and found the

JAVA环境下的四种古典加密算法,移位,仿射,维吉尼亚,置换 详细的WORD设计文档,里面包含源码和运行程序截图-Java environment of the four classical encryption algorithm, displacement, affine, Virginia, WORD replacement detailed design document, which contains the source code and operating procedures screenshots

几篇非常不错的东西-very few good things

对文件和文件夹进行简单加密-right files and folders simple encryption

DES算法原理及实现,实现了3DES和DES的程序过程，支持8 16 24位密钥-DES algorithm and realize, realize the 3DES and DES procedures for the process to support the 81,624-bit keys

循环异或-XOR cycle