[Cryptech Tech] Restricting FPGA signing

[Basil Dolmatov]

I would not go that way... 
Resource-consuming "Security Theatre" (c) with no threats mitigating. 


dol@ с iPad

> 29 янв. 2015 г., в 1:06, Jakob Schlyter <jakob at kirei.se> написал(а):
> 
>> On 28 jan 2015, at 22:25, Randy Bush <randy at psg.com> wrote:
>> 
>>> - Restricted mode: FPGA signs only hashes for data previously consumed
>> 
>> how does it know what was previously consumed for (relatively) large
>> values of previously?
> 
> It has a buffer with all recently (for some value of recent) seen hashes.
> 
>    jakob
> 
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