程序实现了大素数的判断和如果不是素数，则其可分解的最小的素数...

一个Java例子，包括加密、ftp-A Java examples, including encryption, ftp

密码学程序设计---仿设密码-password procedures designed fake password---

在不改变access文件密码的情况下，直接查看密码，数据库内容一览无余哦！-Without changing the password access documents directly view the password, database content glance Oh!

置换代换密码体制的S-P盒的发生器，能随机产生S盒和P盒，用于置换代换密码体制的加密解密-replacement substitution Cryptosystem S-P boxes of generators, can generate random boxes S and P boxes for the replacement substitution Cryptosystem encryption and decryption

使用自定义密码 进行文件加密 使用传入密码生成 SymmetricAlgorithm-You can encrypt and decrypt file with your password.

在WTL程序中使用MD5算法的一个实现例子。-WTL program in the MD5 algorithm using the example of an implementation.

vb.net编写的数据加密程序，提供三种加密方式： 简单加密、随机码加密、用户名加密-vb.net prepared by the data encryption program, providing three encryption methods : simple encryption, random encryption, user name encryption

数据库安全至关重要，尤其是Access数据库，由于其加密算法过于简单，使得Access单靠密码无法保证其安全，本代码通过改变数据库头文件实现对Acess数据库的加密。-Database security is crucial, especially the Access database, because of its too simple encryption algorithm, making Access a password alone can not guarantee their safety, the code by changing the header file database achieve Acess database encryption.

c语言文件加密程序-file encryption procedures

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