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104: Secure delete items directly from the Finder
Authored by: sjk on Sep 12, '05 07:43:07PM
FYI: The Secure Delete Hoax

And from the NOTE section of the srm man page:

The -s option overrides the -m option, if both are present. If neither is specified, the 35-pass Gutmann algorithm is used.

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104: Secure delete items directly from the Finder
Authored by: thecloud on Sep 13, '05 04:35:03AM
That Rixstep article is classic FUD: "Everyone else is doing secure delete the wrong way, except us, and we'll sell you our 'fully Gutmann-compliant' solution as part of a $79 tools package." They go on to describe their product, SPX, which sounds exactly like 'srm' (35-pass overwrite, filename randomize/overwrite, caches flushed to disk on each pass, etc.), except that it isn't free or open-source like 'srm'. They're correct that there are a lot of snake-oil products out there which use buzzwords like 'DoD standard' to sell their security, but this point would be more credible if they weren't flogging their own buzzword-laden hypeware.

Gutmann himself has written an epilogue to his original 1996 paper, which calls out this kind of fanatical 35-pass overwrite worship as "voodoo." He basically says that the 35-pass technique is no longer necessary for modern high-density drives -- a few passes with random data now does just as well.

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Rixstep FUD
Authored by: sjk on Sep 15, '05 02:21:49PM

Yep, that article looks even more FUDiculous in light of Gutmann's epilogue (thanks for the reference to that, btw) and srm being bundled with OS X.

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