CNET News has posted information on how the recent iTunes DRM hack works.
“Johansen’s program works by patching Apple’s QuickTime software with a new software component of his own.
Because he called the program a “memory dumper,” programmers on message boards around the Web speculated that QTFairUse made a copy of the raw, unprotected song data from the computer’s temporary memory after it was unprotected for playback, rather than simply recording the audio stream as it played.
