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Cog-swap is an ELF program which allows it's user to fool the PlayStation 2's copy-protection code. The PS2 checks a loaded disk at boot-time to see if it is an authentic, "pressed", disk with a valid Table of Contents and such. Cog-swap work by loading the validation information from an authentic disk, then freezing the process to load a burned backup disk.

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Q: What is cog-swap?
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