[dm-crypt] simple ideas addressing ssd TRIM security concern

Sven Eschenberg sven at whgl.uni-frankfurt.de
Sun Apr 15 16:55:53 CEST 2012


That would render TRIMing completely useless anyway and you could as well
turn it off.

On Sun, April 15, 2012 00:22, alban bernard wrote:
>
> I meant to randomly distribute TRIMed blocks across the device by choosing
> to not TRIM contiguous blocks of some files. E.g. when a big file is
> deleted, allow TRIM only on a randomly chosen set of its blocks limited to
> about 1 percent of its size. The 99 percent of it would stay unTRIMed on
> the device.
>




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