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主要是对注册机的简单的开发以及应用，包括注册机的如何操作。(Mainly on the development of RI and simple applications, including RI' s how.)

Seed加密体制代码，韩国的分组密码加密体制。(Seed encryption system code block cipher encryption system in Korea.)

RSA公钥加密程序RSA公钥加密程序RSA公钥加密程序RSA公钥加密程序RSA公钥加密程序(RSA public key encryption program)

密码学中的AES加密和CMAC认证的C语言代码(AES encryption and CMAC authority in C)

自己写的域天加密狗VB使用小例子，32位的加密狗快速开发源代码(Write your own domain days dongle VB use a small example, 32 dongle rapid development of source code)

计算机专业毕业设计--RSA加密算法的实现与设计(Graduate design computer RSA encryption algorithm and design)

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)

这只是标准DES算法的例子,必须在WINDOWS环境下编译.(This is just the standard DES algorithm, which must be compiled in the WINDOWS environment.)

说明：  用visual c++ 写的des加密算法演示 (with visual c write des encryption algorithm demo)

分析RSA算法的应用现状，论证文件加密应用RSA算法的可行性和意义。设计一套完整实用的RSA文件加密解决方案，具体编码实现。对RSA算法进行研究，从常规RSA算法出发，用C++实现RSA加密算法类库，并在32位windows平台封装成组件。在.Net平台引用此组件，实现可以对任意文件进行RSA加密操作的窗体应用程序。经过加密的文件以及密钥文件都是文本文件。给出关键类类图、整个应用程序的结构描述文档、关键模块流程图、较详细的接口文档、所有源代码。对应用程序进行测试，对测试结果进行分析研究，进而对应用程序进行改进，对关键算法进行尽可能的优化，最终得到一个在windows运行的可以用指定密钥对任意文件进行RSA加密并可解密的完整应用程序，和一些相关的可移植组件。 (RSA algorithm analysis application, appraisal document RSA encryption algorithm application of the feasibility and significance. Practical design of a complete set of documents RSA encryption solution to achieve specific coding. RSA algorithm to study conventional RSA algorithm, using C to achieve RSA encryption algorithm library. and 32% Packaging windows platform components. In. Net platform invocation components can be achieved for arbitrary document RSA encryption operation Window applications. After an encrypted file and key documents are text documents. Class is the key category map, the entire application document describes the structure, the key modules flowchart, more detailed interface documentation, All source code. Application procedures for conducting tests on the test results)