Re: [Ace] on signature verification times for sec192r1

On 7/23/2016 11:10 AM, Pascal Urien wrote:
> Hi All
>
> J3A081M is a javacard device from NXP
>
> The micocontroller should be the P5CD081V1A, which comprises a crypto 
> processor

There's a number of these from a number of vendors.  I'd actually look 
at the A7xxx series of chips as they're designed to be embeddable.  I've 
become a big fan of javacard style solutions over the years.

In any event, the number of relatively inexpensive public key crypto 
accelerator chips (e.g. googl for "secure authentication chips") is 
greater than zero and continues to climb.  And for not a lot of money.  
Estimating what from prices on Digikey, I'd think something less than 
$.50 for Quantity large as of today and half that or less in 1-2 years 
as its gets bundled into the "Swiss Army Knife" style of process (e.g. 
support for wireless 900mhz plus ... plus ... plus ... plus security...) 
(google for iot module secure element 900mhz for example).

Later, Mike

>
> The performances with the curve secp192r1 are the following (for ECDSA 
> + SHA1)
>
> Sign    = 40ms +  nb_bloc_512bits x 3.5 ms
> Verify  = 60ms  + nb_bloc_512bits x 3,5 ms
>
>
> By the way this chip has enough crypto ressouces for processing TLS or 
> DTLS
>
> Rgs
>
> Pascal
>
>
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