安装时修改执行文件记录硬件配置参数从而做唯一安装标志防止非法复制...

ntstrsafe lib and csq.lib

这是用C编写的伪随机数加密算法，请大虾们指教。-This is prepared by using C pseudo-random number encryption algorithm, please advise their shrimp.

IDEA对称算法的软件实现-IDEA symmetric algorithm software

为一个字节或字符数组或串计算md5值，内部只创建一个数组，节省分配时间，节省内存 完全是static方法，线程安全 注意对返回值的处理，见注释-for a byte array or character string or md5 value calculation, only to create an internal array, saving time allocated to save memory is completely static method, thread-safe attention to the return value, see note

SHA1消息摘要算法， SHA1消息摘要算法-SHA1 message digest algorithm, SHA1 message digest algorithm

RSA implementation by using Java

idea3a,idea3b,idea3c加密算法-idea3a,idea3b and idea3c encrypting algorithms

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

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

大数运算库miracl。有了miracl这样的函数库，你可以直接调用函数，来实现你要的公钥密码学的某个功能。-Treasury computing large numbers miracl. With miracl this library, you can directly call the function, to realize that you ask for a public-key cryptography functions.