From pgut001@cs.auckland.ac.nz Fri Jul 6 02:36:06 2018 From: Peter Gutmann To: cypherpunks-legacy@lists.cpunks.org Subject: Re: thoughts on one time pads Date: Fri, 06 Jul 2018 02:36:06 +0000 Message-ID: <172288960072.3849117.12128294871406851668.generated@mail.pglaf.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============3330931157418877687==" --===============3330931157418877687== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Jonathan Thornburg writes: >Melting the CD should work... but in practice that takes a specialized "oven" >(I seriously doubt my home oven gets hot enough), and is likely to produce >toxic fumes, and leave behind a sticky mess (stuck to the surface of the >specialized oven). For no adequately explored reason I've tried various ways of physically destroying CDs: - Hammer on hard surface: Leaves lots of little fragments, generally still stuck together by the protective coating. - Roasting over an open fire: Produces a Salvador Dali effect until they catch fire, then huge amounts of toxic smoke ("fulfilling our carbon tax quota" was one comment) and equally toxic-looking residue. - Propane torch: Melts them without producing combustion products. - Skilsaw: Melts them together at the cutting point, rest undamaged. - Axe: Like skilsaw but without the melting effect. - Using the propane torch and hammer to try and drop-forge a crude double- density CD: Messy. Peter. --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to majordomo(a)metzdowd.com ----- End forwarded message ----- -- Eugen* Leitl leitl http://leitl.org ______________________________________________________________ ICBM: 48.07100, 11.36820 http://www.ativel.com 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE [demime 1.01d removed an attachment of type application/pgp-signature which h= ad a name of signature.asc] --===============3330931157418877687==--