Happily, it DOES appear that there may be some hope for the Allwinner A20 based Cubieboard 2 (I haven't checked for the original Cubieboard yet):
"The Security System (SS) is one encrypt/ decrypt function accelerator that is suitable for a variety of applications. It supports both encryption and decryption. Several modes are supported by the SS module.
It features:
AES, DES, 3DES, SHA-1, MD5 are supported by this system ECB, CBC, CNT modes for AES/DES/3DES 128-bit, 192-bit and 256-bit key size for AES 160-bit hardware PRNG with 192-bit seed 32-word RX FIFO and 32-word TX FIFO for high speed application Support CPU mode and DMA mode Interrupt support"
http://dl.linux-sunxi.org/A20/A20%20User%20Manual%202013-03-22.pdf
So, it may be a little help, anyway.
The Cubieboard 2 is great for small Tor relays - it'd definitely be more capable than a Raspberry Pi model B as it has double the RAM and 2 more powerful cores with ARMv7 instead of ARMv6.
It's also almost double the price (for considerably more than double the computer), but I don't expect that to last long.
Best, -Gordon M.
On Tue, 01 Oct 2013 19:02:37 -0700, Gordon Morehouse gordon@morehouse.me wrote:
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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@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
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