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Re: [tor-bugs] #10402 [Tor]: Force disable use of RDRAND in OpenSSL when HardwareAccel is enabled
#10402: Force disable use of RDRAND in OpenSSL when HardwareAccel is enabled
------------------------+-----------------
Reporter: anon | Owner:
Type: defect | Status: new
Priority: major | Milestone:
Component: Tor | Version:
Resolution: | Keywords:
Actual Points: | Parent ID:
Points: |
------------------------+-----------------
Comment (by rl1987):
I have applied your patch (tor-latest-rdrand-disable.patch) to Tor on Mac
OS X Mavericks system with Intel Core i5 CPU that, according to `sysctl
hw.optional.rdrand` has support for RDRAND instruction. Tor source code
was cloned from Git master and was compiled with OpenSSL 1.0.1e. When
trying to run the patched Tor, it crashed with the following error
message:
Dec 14 18:30:52.000 [warn] OpenSSL is using RDRAND by default. Attempting
to force disable.
{{{
============================================================ T= 1387038652
Tor 0.2.5.1-alpha-dev (git-e6590efaa77c8cf1) died: Caught signal 11
0 tor 0x0000000109b7f2ce crash_handler +
46
1 libsystem_platform.dylib 0x00007fff9897d5aa _sigtramp + 26
2 libcrypto.1.0.0.dylib 0x0000000109d928ae
ENGINE_set_default_RAND + 7
3 tor 0x0000000109b95594
crypto_global_init + 932
4 tor 0x0000000109b2b655 tor_init + 933
5 tor 0x0000000109b2bab7 tor_main + 87
6 tor 0x0000000109aa3b99 main + 25
7 libdyld.dylib 0x00007fff989c55fd start + 1
8 ??? 0x0000000000000001 0x0 + 1
Abort trap: 6
}}}
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10402#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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