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Re: [tor-talk] Help testing patch on SandyBridge/IvyBridge? Force disable use of RDRAND in OpenSSL when HardwareAccel is enabled
On Sat, Dec 14, 2013 at 9:14 AM, coderman <coderman@xxxxxxxxx> wrote:
> this is logged as trac ticket:
I'm fairly sure that patch doesn't actually do anything; see comments
on #10402 (URL above) for my investigation.
Lessons I learned: Do not assume that you have really replaced an
undesirable function until you've investigated with a debugger. Do
not assume you were using the undesirable function in the first place
until you've investigated with a debugger. Above all, do not assume
that you understand how OpenSSL works until you have investigated with
a debugger, the source code, and a pot of coffee.
There is a probably fixed patch ready for testing at that URL that
should apply cleanly to 0.2.4. I've made a quick and dirty 0.2.5
version for people to use as well, if they like.
These could use review and testing, of course. Comments at the above
URL if possible please.
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