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食品95同学录 | 食品95级同学录 | 食品99届同学录 | 华南理工大学 Forum Index  » Food95讨论区 » 新坛装旧酒 » 关于PDF解密
关于PDF解密
 
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Anonymous
PostYou have posted in this forum: Fri Sep 10, 2004 5:25 pm   Post subject:  关于PDF解密 Back to top 
PDF的最大的优势就是安全性，如果别人设置了禁止修改，禁止复制，禁止。。。。或者设置了数字签名，那我看还是别浪费时间去破解，目前还没有这样的工具。

另外，另存为TRF文件的方法应该是行不通的，因为这个功能也需要密码。


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