[tor-bugs] #23295 [Core Tor/Tor]: Detect AES-NI hw encryption also if no cpu flags for AES-NI is present

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Aug 22 18:29:37 UTC 2017


#23295: Detect AES-NI hw encryption also if no cpu flags for AES-NI is present
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 Reporter:  naif          |          Owner:  (none)
     Type:  enhancement   |         Status:  new
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by yawning):

 You would have to fork/exec a child process that exercises the
 instructions and see if it crashes or produces valid output.

 I think that doing this automatically is a bad idea, and that the tor
 daemon should always honor what the CPU self reports.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23295#comment:1>
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