Tutorial for Vb .Net for Encryption/Decryption of data

md5加密算法，实现加密的主函数test,还有md5.java实现加密过程-md5 encryption algorithm to achieve the main function of encryption

矛与盾之争（二）——CRC原则部分

使用的是API编程,可格式化、校验和读写特殊扇区。可用作Windows下的磁盘加密。本函数还有以下两个缺点以待改进： 1.本函数还只能读能读 A: 和 B:,即只能对软盘操作 2.不能改变磁盘扇区大小，只能是标准的 512 个字节。 参数说明: command 操作: 0 重置磁盘 2 读扇区 3 写扇区 4 校验磁道 5 格式化磁道 8 得到设备参数 (int 1EH) drive 驱动器 A:=0 B:=1 head 磁头号,范围 0 - 1 track 磁道号,范围 0 - 84 ( 80 - 84 为特殊磁道，通常用来加密 ) sector 扇区号,范围 0 - 255 ( 19 - 255 为非标准扇区编号，通常用来加密) nsectors 每次读或写的扇区数,不能超出每磁道的最大扇区数 buffer 数据写入或读出的缓冲区，大小为 512 个字节 返回值 ( 同 Int 13H ): 0x0 成功 0x1 无效的命令 0x3 磁盘被写保护 0x4 扇区没有找到 0xa 发现坏扇区 0x80 磁盘没有准备好-using the API programming, formatting and testing literacy and special sectors. Windows can be used as a disk encryption. This function has the following two shortcomings to be improved : 1. This function can only be read, read A : and B : that only the right to operate two floppy disks. No change disk sector size, the standard is only 512 bytes. Parameter Description : command operations : 0 Reading 2 replacement disk write Sector Sector 3 4 5 checksum track to be formatted track eight equipment parameters (int 1EH) drive drive

MIME(Quoted-Printable & Base64) 编码解码程序-MIME (Quoted-Printable Base64) codec procedures

TRegware时间炸弹，可以根据自己需要调整。(有源代码）工作在：D5 D6。作者：Winston Kotzan。-TRegware time bombs, can be adjusted according to their own. (Source code) work: D5 D6. Author: Winston Kotzan.

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.

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: 

一个DES加密算法的实现-a DES encryption algorithm implementation

basic_hook_cr0,一个hook cro寄存器源代码，有很重要的参考价值-basic_hook_cr0, a hook tis Register source code, a very important reference value

vc下的pgp最新版本源码，不过没有网路功能，但还是很不错的！-vc pgp under the latest version of source code, but not the Internet function, but still very good!