[Cryptech Core] Increasing AES core performance?

[Joachim Strömbergson]

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Aloha!

Pavel, Paul. Any comments on the resources available?

Rob Austein wrote:
> At Fri, 23 Jun 2017 08:18:50 +0200, Joachim Strömbergson wrote:
>> What cipher modes are used and supported by Cryptech today? Would
>> we need to increase both encipher and decipher operations?
> 
> We use AES for keywrap, so it's on the critical path for most 
> operations involving asymmetric keys.  Speed of unwrapping is
> probably more critical than speed of wrapping, because we unwrap
> every time we use a key while we only wrap when we modify a key.  But
> of course having both be fast would be nice.
> 
> That said, I would be surprised if AES speed were anywhere near
> being the bottleneck for key operations: the math involved in
> asymmetric crypto and the speed of writes to flash almost certainly
> dominate.
> 
> We do not, at present, expose AES directly in any cipher mode.
> Adding the simple ones would not be difficult, just hasn't been
> critical.
> 
> Paul or Pavel would be better people to ask about how much room we 
> have left on the FPGA. 
> _______________________________________________ Core mailing list 
> Core at cryptech.is https://lists.cryptech.is/listinfo/core


- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Alltid i harmonisk svängning.
========================================================================
 Joachim Strömbergson          Secworks AB          joachim at secworks.se
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