Thread (46 messages) 46 messages, 10 authors, 2023-01-12

Re: [PATCH v14 2/7] mm: add VM_DROPPABLE for designating always lazily freeable mappings

From: Linus Torvalds <torvalds@linux-foundation.org>
Date: 2023-01-06 21:11:13
Also in: linux-crypto, linux-mm, linux-patches, lkml

On Fri, Jan 6, 2023 at 12:54 PM Andy Lutomirski [off-list ref] wrote:
I'm going to suggest a very very different approach: fix secret
storage in memory for real. That is, don't lock "super secret
sensitive stuff" into memory, and don't wipe it either. *Encrypt* it.
I don't think you're wrong, but people will complain about key
management, and worry about that part instead.

Honestly, this is what SGX and CPU enclaves is _supposed_ to all do
for you, but then nobody uses it for various reasons.

               Linus
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