[Bug 269219] cryptographic operations are not constant time anymore for armv8.4+ and amd64/icelake+

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 09 Feb 2023 16:58:04 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269219

--- Comment #2 from Michael Paepcke <bugs.fbsd@paepcke.de> ---
Update:
New code and new approach from Google Engeneering Team.

Code:
(main difference: dont categorize this as 'bug' like spectre, but as 'feature')
https://lore.kernel.org/all/20230125012801.362496-1-ebiggers@kernel.org/

Summary:
(where the discussion died out again without a decision/action)
https://lore.kernel.org/all/851920c5-31c9-ddd9-3e2d-57d379aa0671@intel.com/

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