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Cryptanalysis of Multiswap (Microsoft Digital Rights Management Broken)
The attacks described here show weaknesses in the MultiSwap encryption scheme, and could potentially contribute to an attack on DRM. However, the attack on DRM described by Beale Screamer would be much more practical, so we feel that these weaknesses in MultiSwap do not pose a significant threat to DRM at this time.
We present these results to further the science of computer security, not to promote rampant copying of copyrighted music.
The link for this article located at Nikita Borisov, Monica Chew, Rob Johnson, and David Wagner is no longer available.