études and implementation ofaesin c

软件模拟CRC冗余校验，可以对任意长度的发送序列求16位校验和，并且可以对接收序列进行检查。有详细的中文注释，和模拟函数-simulation software CRC Redundancy Check, for any length of this sequence for 16 checksum, and to be able to receive sequence for the examination. The Chinese have detailed notes and simulation function

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

全功能的加密库，对称加密，非对称加密，单向加密，等待，最新版本-Full-featured encryption library, symmetric encryption, asymmetric encryption, one-way encryption, to wait, the latest version

多种加密的算法的集合，有DES，RSA等等，有的是用C写的，也用是用VC++写的。很实用！-variety of encryption algorithms to assemble, DES, RSA, etc., some written in C, is also used to write the VC. Very practical!

针对JPEG2000格式的图像，利用了Arnold变换对图像的小波系数进行加密，对初步研究JPEG2000图像加密算法的有试用价值-JPEG2000 image format for the use of the Arnold transform the image of the wavelet coefficients encryption, preliminary study of the JPEG2000 image encryption algorithms have tested the value of

apach加密模块 -Apach encryption component

2的16次幂正整数d与n，编写计算d-1 (mod n) 的程序； 2、对于三个不超过2的16次幂正整数a、e与n，编写计算ae (mod n) 的程序。 在上述程序基础上写出下列程序： （1） 对给定的10000以内数判定其是否为素数； （2） 进行ElGamal体制的加密与签名。 -two of 16 power-positive integer d and n, calculate the preparation of d-1 (mod n); 2. For not more than 2 3 16 Powers positive integers a, e and n, calculate the preparation ae (mod n) procedures. In the above procedure to write on the basis of the following procedures : (a) the right to 10,000 within a few judging whether a prime number; (2) ElGamal encryption and signature.

锁住/解锁硬盘 - Locks in/the solution to lock the hard disk

一个由java语言编写的MD5加密算法的实现.-a java language from the MD5 encryption algorithm achieved.

在卡片上管理密码的工具。密码被标注并集体加密存储在卡片上。因此这是一个安全存储密码的方法-on the card password management tool. Tagging password encryption and collective memory on the card. So this is a safe method of storage of passwords