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DRM is so cool as a technology i just hate the fact that its DRM and its designed to screw people over
reversing DRM systems is always like "wtf that's a really neat way to resolve the issue and also fuck you for doing that"
@pcy@icosahedron.website@ipg quite literally, when reverse-engineering the DSi boot ROMs they had this interesting hybrid asymmetric encrypt+sign scheme, which is pretty neat because it delivers a public-key signature *and* an ephemeral symmetric encryption key at once. which was then used to encrypt and protect firmware images from leaking or being modified. and the nonstandardness of the scheme meant it wasn't as vulnerable as the 3DS with its sighax vuln and boot9strap exploit