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给文件加密的技术很多,其中又分为不同等级,以适合不同场合的需要.这里给出最简单的文件加密技术,即采用文件逐字节与密码异或方式对文件进行加密,当解密时,只需再运行一遍加密程序即可.
下面是一个实例程序,能对任意一个文件进行加密,密码要求用户输入,限8位以内(当然你可以再更改).程序有很好的容错设计,这是我们应该学习的.
-File encryption technology to many, which is divided into different levels to suit different occasions. Here are the most simple file encryption technology, which uses file-by-byte XOR with the password encryption methods on paper, when the decryption , only to run again encryption procedures. The following is an example program can encrypt any file, passwords require the user to input, limited to eight or less (of course you can then change). program has good fault-tolerant design, This is what we should learn.
下面是一个实例程序,能对任意一个文件进行加密,密码要求用户输入,限8位以内(当然你可以再更改).程序有很好的容错设计,这是我们应该学习的.
-File encryption technology to many, which is divided into different levels to suit different occasions. Here are the most simple file encryption technology, which uses file-by-byte XOR with the password encryption methods on paper, when the decryption , only to run again encryption procedures. The following is an example program can encrypt any file, passwords require the user to input, limited to eight or less (of course you can then change). program has good fault-tolerant design, This is what we should learn.
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文件加密.c