This paper discussed the basic technique of setting security key and produced group security key to anti-copy and dynamic reading security key to anti digital simulation.
对软件加密解密基本技术和方法分析的基础上 ，提出组合加密防拷贝 ，动态密钥读取防仿真两种方法。
This paper discussed the basic technique of setting security key and produced group security key to anti-copy and dynamic reading security key to anti digital simulation.
对软件加密解密基本技术和方法分析的基础上 ，提出组合加密防拷贝 ，动态密钥读取防仿真两种方法。
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