Re: Question about Curve P-192

Yes, there is a standardized way:
Pick up a corresponding hash function, in case of P-192 it should be
SHA-224 and take the 192 left most bits of the hash value as the input
to the EC sign primitive.
The correspondig signature suite can be defined with ISO 14888-3, which
allows the specification of the algo (e.g. EC-DSA, EC-KCDSA or
whatsoever), the curve and the hash function.
Kind regards,
/Ernst.

Am 2018-05-10 um 19:07 schrieb Denis:
>
> Hello everybody,
>
> Curve P-192 is specified in FIPS PUB 186-4 (Digital Signature Standard
> (DSS)).
>
> There is no "SHA-192" hash function defined in FIPS PUB 180-4 (Secure
> Hash Standard (SHS)).
>
> Is there any standardized way to use a hash function with Curve P-192 ?
>
> Is there any RFC or any another document that specifies a
> cryptographic suite for Curve P-192 ?
>
> Denis
>
>  
>
>
>
>
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