密采用RSA加密算法，对网卡MAC地址进行加密，产生的秘文作为软件的验证码。密钥生成器ProductKey.exe；加密机/解密RsaEncrypt.exe ,Micronesia RSA encryption algorithm used to encrypt the network card MAC address, as the secret generated by software verification code. Key Generator ProductKey.exe en

用Java模拟流密码加密解密，实现了秘钥流生成器-Simulation using Java stream cipher encryption and decryption, to achieve a secret key stream generator

根据操作系统安装时间 和 网卡地址 生成字符串 可以用它表示某台机器的注册码 也叫机器唯一码(Generates a string based on operating system setup time and network card address You can use it to indicate the registration code for a machine, also called the machine unique code)

制作地图卡，很好用的工具，已支持中文，直接下载就可用