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大数计算器，有加减乘乘方求余求逆 可用于密码学的课程设计。-Large Number Calculator, there are more than addition and subtraction by inverse involution for cryptography can be used for curriculum design.

DES算法实现过程分析 之 C-DES algorithm process analysis C

黑客、反黑客技术的入门教材，加密解密算法的基础知识。 (Hackers, anti-hacking technology entry materials, encryption and decryption algorithms basics.)

非常详细的SM2、SM3、SM4算法说明及c语言代码，国密局公开算法。

DES加密算法及详细说明（HTM）

说明：  一个三d加密图像程序，有点复杂，可以参考注释理解，希望有用。(A three-d the encrypted image program, is a little more complicated, you can refer to the Notes to understand, I hope useful.)

DES加密C代码带执行程序-DES encryption with C code enforcement procedures

是我设计的在DSB中隐藏语音的例子. 用ELANIX公司的SYSTEMVIEW打开运行. 其掩护信号和隐藏信号输入输出端均需设置语音源文件,比如自己录制的声音.-I designed the DSB concealed voice example. ELANIX company with the SYSTEMVI EW open operation. their cover and concealment signal input and output signals required to set up voice source, For example, recording their voices.

标准des加密程序，在dev-cpp编译器下成功编译运行，实现数据加密解密(standard des encryption program using c++)

C++写的椭圆曲线加密算法库源码-source code of ECC in C++