使用自定义密码 进行文件加密 使用传入密码生成 SymmetricAlgorithm...

实现BASE64编码-achieve BASE64 encoding

计算机安全的一本很好的书,其中有关安全密要等重要的内容,是一本不错的书-computer security,an introduction to computer security,you can learn much from it , a very good book

转载，软件注册案例-reproduced, software registration case

DES密码体制的安全性应该不依赖于算法的保密，其安全性仅以加密密钥的保密为基础-DES password security system should not depend on secrecy algorithm, the only security encryption key based on the confidentiality

MD5算法，vb编写，纯手工无私奉献，极力推荐下载！复制粘贴可直接使用！调用函数直接是MD5（），简单易懂，不可逆！

算术运算实现字母的替换。凯撒加密就是一种单字母替换法：通过用户给出密钥将字母加上密码变成密文-Arithmetic operations to achieve the replacement of letters. Caesar encryption is the replacement of a single-letter law: the user is given the letter key will be encrypted into a ciphertext

可以实现16轮32轮等tea加密，可以用C语言进行修改-Can be achieved 16 32 such as tea encryption, can use C language to amend

对JPEG2000图像的小波系数的最高两位平面用随机数进行加密-JPEG2000 images of wavelet coefficients with the highest two-plane random number encrypted

VHDL把图片移动到星号密码上密码的原形就看到啦.zip] - 程序里有一个张图片.把图片移动到星号密码上,密码的原形就看到啦 [QQ 2005贺岁版登录口令加密算法及其源代码.rar] - QQ 2005贺岁版登录口令加密算法及其源代码,请大家指教 [各cracked软件的安装方法.rar] - 各种开发用常用软件的破解安装方法 非常值得收藏的好东西-VHDL Pictures moved to the asterisk password on the password will see it when prototype. Zip]- is a procedure Lane photo. Pictures moved to the asterisk password, Password prototype will see it when [QQ 2005 Hesuiban login password encryption algorithm and its source code. rar]- QQ 2005 Hesuiban login password encryption algorithm and its source code, Please enlighten [the cracked software installation method. rar]- all commonly used in the development of software security crack installation method is very worthwhile collection of good things

快速MD5碰撞生成器，王小云改进版。这个生成器根据“构造前缀碰撞法”可以生成两个不同的文件，而这两文件的md5 sum却是一样的。 MD5 Collision Generator(win32 .exe) MD5 Collision Generator(source) -Fast MD5 collision generator, Xiaoyun Wang, improved version. The generator according to "construct the prefix collision" system can generate two different files, while the md5 sum of these two documents is the same. MD5 Collision Generator (win32.Exe) MD5 Collision Generator (source)