How high-assurance are these CD destruction methods? I don't recall
seeing any articles on CD data recovery under normal conditions, let
alone these. As always, it depends on your threat model. (Aside: to
me, the only reason for using one-time pads is because you don't trust
conventional encryption algorithms. Given that AES is rated for top
secret traffic by NSA, I will assert that any enemy who has a chance of
attacking it can devote considerable resources to data recovery from
smashed CDs.)
--Steven M. Bellovin, http://www.cs.columbia.edu/~smb
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