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

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Subject: Re: [tor-bugs] #23295 [Core Tor/Tor]: Detect AES-NI hw encryption also if no cpu flags for AES-NI is present
From: "Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>
Date: Tue, 22 Aug 2017 19:44:31 -0000
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#23295: Detect AES-NI hw encryption also if no cpu flags for AES-NI is present
--------------------------+------------------------
 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:
--------------------------+------------------------

Comment (by naif):

 Replying to [comment:4 nickm]:
 > (Unless a try/catch asm statement is some gcc extension?)

 no, no, it's just my ignorance of low-level coding, i where expecting it
 was possible to try executing a cpu instruction to test it's presence
 without a crash

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23295#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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

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