Post #4069417
2026-07-24 18:16 UTC
@evacide@hachyderm.io Don't most of these devices have wear leveling, which makes erase programs ineffective?
https://ssd.eff.org/glossary/wear-leveling
Or am I misinformed? Or do they just nuke the key?
Replies (3)
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@e_nomem@hachyderm.io 2026-07-24 18:35
@rrb@infosec.exchange @evacide@hachyderm.io It wipes the hardware keystore
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@ocnurb@woof.group 2026-07-24 21:41
@rrb@infosec.exchange @evacide@hachyderm.io Wear levelling will can make a filesystem level erase not wipe data, but devices can have device level secure erase commands too.
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@gim@lou.lt 2026-07-24 22:53
@rrb@infosec.exchange @evacide@hachyderm.io it doesn't wipe all the data, as there is no need. You only need to wipe encryption keys - or more precisely weaver tokens, and those are stored in "Secure Element"