[Cryptech Tech] arm

[Basil Dolmatov]

dol@ с iPad

> 11 янв. 2015 г., в 19:40, Fredrik Thulin <fredrik at thulin.net> написал(а):
> 
>> On Sunday, January 11, 2015 05:17:14 PM Hannes Tschofenig wrote:
>>> On 01/11/2015 11:32 AM, Fredrik Thulin wrote:
>>> Again, what's the interface to the FPGA?
>> 
>> I2C?
> 
> We've been using that for some time on the Novena because of problems with the 
> EIM interface.
> 
> It is prohibitively slow for extraction of random numbers (for QA and likely 
> also for some applications needing lots of random numbers).
> 
> I expect it to be too slow for a number of interesting hash-then-sign use 
> cases too.
If we plan to do hashing on FPGA.
 I cannot see things when we _need_ exactly this procedure. 
For signing of given hash - I2C is good enough. 
> 
> /Fredrik
> 
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