DES_C

说明：  一个应用密码学的源代码，主要完成应用密码方面的功能。(a Cryptographic Application source code, application code to complete the function.)

椭圆曲线加密算法，设置服务器一步的源代码(elliptic curve encryption algorithm, the step to set up the server source code)

壳代码，对于学习壳编写的同学具有一定的参考价值，绝对经典(Shell code, written for students to learn the shell has a certain reference value, an absolute classic)

AES加解密C语言源代码，可直接运行通过，方便大家借鉴学习(AES encryption and decryption of C language source code, can be directly run by, we facilitate learning from)

古典密码中的仿射密码的加密和解密用C语言来实现。(Classical affine password encryption and decryption using C language to achieve.)

vc++写的ElGamal加密系统，能够对简单的数字进行加密。(The ElGamal encryption systems, vc++ write simple digital encryption.)

支持椭圆曲线运算的大数运算库和源程序，头文件和静态库可以使用。(Support for elliptic curve operations of large numbers arithmetic library and source code, header files and static libraries can be used.)

3Des encryption of text from a file, 3DES-EDC-CBC , using 3 keys

说明：  idea算法VC++源码，包含系列文件 idea.h idea.cpp ideadlg.h ideadlg.cpp resource.h stdafx.h stdafx.c(idea algorithm VC++ source, including the series of documents idea.hidea.cppideadlg.hideadlg.cppresource.hstdafx.hstdafx.c)

playfair 加密算法的实现，用一个例子做了展示(realize playfair algorithm，use a sample to show the algorithm)