[tbb-bugs] #28326 [Applications/Tor Browser]: Tor Browser for PPC64LE

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Nov 7 03:31:57 UTC 2018


#28326: Tor Browser for PPC64LE
--------------------------------------+--------------------------
 Reporter:  power9                    |          Owner:  tbb-team
     Type:  enhancement               |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-rbm                   |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+--------------------------

Comment (by tpearson-raptor):

 Replying to [comment:10 ppc64le]:
 > Replying to [comment:3 gk]:
 > > Replying to [comment:2 teor]:
 > > > Tor doesn't support PPC, because its MUL instruction is not
 constant-time.
 > > > It's really hard to write secure crypto without a constant-time MUL.
 > > >
 https://trac.torproject.org/projects/tor/wiki/org/teams/NetworkTeam/SupportedPlatforms
 > >
 > > Good to know. FWIW: there are Debian packages for that platform,
 though.
 >
 > {{{
 >  Debian 9 regrettably removes support for the following architecture:
 >
 >     PowerPC (powerpc)
 >
 > The following are the officially supported architectures for Debian 9:
 >
 >     64-bit little-endian PowerPC (ppc64el)
 > }}}
 > Replying to [comment:4 power9]:
 > > That's mean we never see Tor Browser on PPC?
 > Yes.

 As I mmentioned above, we do have constant time multiplication on ppc64le,
 plus ppc64le is a Debian supported architecture.  Can we get Tor for
 ppc64le even if old 32-bit ppc is not supported?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28326#comment:11>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online


More information about the tbb-bugs mailing list