file encryption using the C source code

md5是常用的加密算法，但是在vc中没有系统的类可以用。本程序完成了md5类，使用简单。不是国内网上流传的类。-md5 is a commonly used encryption algorithm, but in vc no class system can be used. This procedure was completed md5 categories, using a simple. Rather than domestic circulating online class.

一个用C＋＋、JAVA、C#等编写的数字签名代码序列，里面有三种不同语言写的-A use of C , JAVA, C# Such the preparation of the digital signature code sequence, which has three different written languages

GOSTDSA算法的Pascal实现和例子，包括签名和确认-GOSTDSA the algorithm Pascal realization and the example, including sign and confirmed

我根据comp430s改写的DLL源码，可在多线程下使用。还带有DES加密算法函数 -DLL source which is overwirted by comp430s, can be used in multi-thread.Attached by DES encryption Algorithm

这个是一款不错的文件加密软件，能让你的隐私文件受到严密的保护．-this is a good document encryption software that can make your documents to be subject to stringent privacy protection.

美国加密中心公布的DES程序-American Center for the encryption process DES

TTrialSoftware LITE时间限制的共享软件控件。(源代码，需注册）价格：$120。工作在：CB5 D5。作者：Martin。-Time-bound TTrialSoftware LITE-sharing software control. (Source code, to be registered) Price: $ 120. Working in: CB5 D5. Author: Martin.

使用C编写的DES, DESX, DES3(三层DES) 的加密算法, 本程序演示如何在Delphi中进行调用C编写的算法 DES 密匙长度 8 DESX 密匙长度 16 DES3 密匙长度 24 (加密强度高了很多)-C prepared by the use of DES, DESX, DES3 (three-DES) encryption algorithm, the program demonstrates how to call in Delphi in the preparation of the algorithm C key length DES key 8 DESX length 16 DES3 key length 24 (high strength encryption a lot)

置换代换密码体制的S-P盒的发生器，能随机产生S盒和P盒，用于置换代换密码体制的加密解密-replacement substitution Cryptosystem S-P boxes of generators, can generate random boxes S and P boxes for the replacement substitution Cryptosystem encryption and decryption

crypt-1.17 libtom库 文件加解密库，内有test工程源码，对那些尚对加密解密领域有很大的帮助！-crypt-1.17 libtom library file encryption and decryption libraries, within the test project source code, for those still on the field of encryption and decryption of great help!