[tor-relays] hardware accelerated crypto

Gordon Morehouse gordon at morehouse.me
Wed Oct 2 02:02:37 UTC 2013


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I'm interested if there are any hardware accelerators in either the
Raspberry Pi (which needs all the help it can get) or the Cubieboard 2
(A20-based).

Best,
- -Gordon M.


Joshua Datko:
> I was looking into this for the BeagleBone black [1], which has 
> on-chip accelerators for AES, SHA (1 I think), and md5.  The TI 
> processor also has a HWRNG.  My belief was that by using the
> cryptodev kernel module [2] I could get this working, but I ran in
> some issues building the kernel and then I was caught up in other
> things.
> 
> I'm not sure if my approach was flawed or what, but maybe it helps
> someone here.
> 
> Josh
> 
> [1] http://datko.net/2013/09/22/quest_bbb_crypto/ [2]
> http://cryptodev-linux.org/
> 
> On Tue, Oct 1, 2013 at 2:35 PM, jason <jason at piratar.is> wrote: I
> would love to do all this actually but I never managed to get the
> hw accelerated crypto (ssl/tls) bits working to experiment with.
> I'd be up for restarting this if I knew I could consult with one or
> two others who had a genuine interest in this. -Jason
> 
> On 10/01/2013 08:26 PM, Jeroen Massar wrote:
>>>> On 2013-10-01 21:20, Andy Isaacson wrote:
>>>>> On Tue, Oct 01, 2013 at 06:45:52PM +0000, jason wrote:
>>>>>> I'm not sure why I missed this first post but I'm very 
>>>>>> interested in working on this project with whomever is 
>>>>>> interested. I  bought a pogoplug v2 specifically to test
>>>>>> it's usefulness as a tor exit or relay.
>>>>> 
>>>>> First step is, run "openssl speed rsa" and post the output
>>>>> to the list. While you're at it you may as well post the
>>>>> AES and SHA results as well. Heck, just run the whole
>>>>> "openssl speed" test (should take less than 20 minutes) and
>>>>> post the whole thing. :)
>>>>> 
>>>>> Also details on what CPU/RAM it has, and information about
>>>>> the kernel and OpenSSL package you are testing, would be
>>>>> useful. "dmesg" output and the contents of /proc/cpuinfo
>>>>> may be helpful.
>>>> 
>>>> Maybe a good idea to put the output in the wiki somewhere?
>>>> 
>>>> Greets, Jeroen
>>>> 
>>>> _______________________________________________ tor-relays
>>>> mailing list tor-relays at lists.torproject.org 
>>>> https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
>>>>
>
>>>> 
>> _______________________________________________ tor-relays
>> mailing list tor-relays at lists.torproject.org 
>> https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
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> 

- -- 
Sent from my thing that sends email.
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