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说明：  AES算法（即 Rijndael 算法）是一个对称分组密码算法。数据分组长度必须是 128 bits，使用的密钥长度为 128，192 或 256 bits。对于三种不同密钥长度的 AES 算法，分别称为“AES-128”、“AES-192”、“AES-256”。本文在分析了 AES 加密原理的基础上着重说明了算法实现的具体步骤，并用 C++ 实现了对文件的加密和解密。(AES algorithm (Rijndael algorithm) is a symmetric block cipher algorithm.The data packet length must be 128 bits and the key length used is 128,192 or 256 bits.For the three AES algorithms with different key lengths, they are called "aes-128", "aes-192", and "aes-256".In this paper, on the basis of analyzing the principle of AES encryption, the concrete steps of the algorithm are emphatically explained, and the encryption and decryption of files are realized by C++.)

RSA加密算法的C预言实现，对一张灰度图进行加密，然后再解密(RSA encryption algorithm in C prophecy fulfilled, encrypt and then decrypt a grayscale)

études and implementation ofaesin c

GO语言下的RSA，AES，DES加密解密实例(GO language under the RSA, AES, DES encryption and decryption example)

首先，RC4算法生成一个“状态”，这开始为包含在订单值0-255的数组。然后该算法通过阵列迭代和周围交换的元素，基于所述键值。原始密钥然后可被丢弃，因为RC4只使用状态来创建一个伪随机密钥流，由算法选择的元素和吐出出来。密钥流的所述状态单靠额外的好处是，原来的密钥并不需要被保存在内存中。算法初始化状态。执行密钥调度算法（KSA）上的状态下，根据所输入的键（然后其可以被丢弃）。在算法选择（现炒）的状态，并将其输出作为密钥流元素。

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生成程序序列号在程序加密方面几好用-sequence generation process, the procedure uses encryption several areas

Here is static lib based on PPMD var E by Dmitri Shkarin, compiled with Visual Studio 6

DES算法源代码-DES algorithm source code

计算机密码学 经典密码学书籍，含很多算法的标准实现代码(Cryptography book including many standard codes for some cryptographic algorithms. recommended. )