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Skyreal Posted: Apologies, I meant that before anyone mentioned XOR, my brain just thought try inverting the binary. I didn’t have any knowledge of programming, so that was as far as my “cryptanalysis” went. Basically I got plain lucky. I’m a bit curious what prompted MrThePlague to use XOR and to XOR “each bit” by 255. Did he try other values as well, or did he try XOR by 255 because he, unlike myself, knew that that was the fastest way to invert the binary. Clearly, knowing what I know now, and with the code already posted, using ruby is far easier. markchd edited this message on 03/02/2008 2:24PM |
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Posted On: 03/02/2008 2:21PM | View markchd's Profile | # |