Here is static lib based on PPMD var E by Dmitri Shkarin, compiled with Visual S...

非常简单却实用的一款通讯簿,主要特色是支持密码保护功能,可以实现联系人信息的保密.-very simple but practical one Address Book, the main feature is support password protection function, Contact information can achieve confidentiality.

按照分组密码运行的CBC方式，将其中的DES算法置换为S-DES，分组长度为8BIT，初始矢量V1分别设置为00H,FFH,及任意8BIT无符号整数，实现该加密/解密模型-running CBC, which will be the replacement for the DES algorithm S-DES, a length of 8BIT initial vector V1 were set to 00H, FFH, and the arbitrary 8BIT unsigned integers, the achievement of this encryption/decryption model

使用crypt api创建一个会话密钥。 在这个例子中使用了一个168位的3DES key-use crypt api to create a session key. In this example the use of a 168 DES key 3

The Cryptography API: Next Generation(CNG) is a new and agile framework in Windows Vista, which implements an extensible provider model that allows you to load a provider by specifying the required cryptographic algorithm rather than having to hardcode a specific provider. -The Cryptography API: Next Generation (CNG) is a new and agile framework in Windows Vista, which implements an extensible provider model that allows you to load a provider by specifying the required cryptographic algorithm rather than having to hardcode a specific provider.

可以实现16轮32轮等tea加密，可以用C语言进行修改-Can be achieved 16 32 such as tea encryption, can use C language to amend

循环异或-XOR cycle

一篇数字水印方面的文章。-a digital watermark articles on the subject.

base64编码-base64 encoding

base64的解码Ｃ语言实现-base64 decoding C Language

这个是大数的加法运算的程序，以数组为大数的承载来构成大数-this is the addition of large numbers of Operational procedures for the array of large numbers of carrying large numbers to form