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孤舟
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樓主  發(fā)表于: 2009-08-03 20:55
請教各高手，西門(mén)子PLC S7-200CN 用了四級加密，用什么方法可以解密呢？網(wǎng)上有人言論。有高手可以用拆蕊片的方法讀得密碼！還可以把四級加密改成三級加密，再把程序讀出來(lái)。有人能指教一下，用什么方法可以把四級加密改成三級加密，再把程序讀出來(lái)呢？
hanwenpu
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1樓  發(fā)表于: 2010-09-23 20:17
最新的PLC四級密碼是破不了的

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