古典密码学和大整数，你看了就知道了好好哦啊好哦奥好熬好-Classical cryptography and large integer, you know a good read on Oh ah good好哦Austrian熬好

利用C++实现:古典密码仿射变换\LFSR及流密码\生成非线性序列\DES算法的加、解密运算,前面几个较简单，DES算法的效果还可以-Using C++ implementation: Classical password affine transformation \ LFSR and stream password \ generate nonlinear sequences \ DES algorithm for encryption and decryption operations,

古典密码课设。C++ 多表古典加密方法主要有Playfair体制、Vigenere体制、Beaufor体制、Vernam体制和Hill体制，用高级语言实现其中一种体制的加密和解密算法。 -Classical cryptography class-based. C++ multi-table classical encryption methods Playfair system, Vigenere system, Beaufor system, Vernam system and Hill