Re: [lamps] Call for adoption of draft-housley-lamps-cms-aes-mac-alg

I support adoption of this draft.

For reference, the ASN.1 module including GMAC in ISO/IEC 9797-3 specifies:
is9797-3 OID ::= {iso standard message-authentication-codes(9797) part3(3)}
id-gmac OID ::= {is9797-3 gmac(4)}
GmacParameters ::= SEQUENCE {
    bcAlgo BlockAlgorithms,
    taglength INTEGER,
    noncelength INTEGER
}

where bcAlgo would specify AES-128, AES-192 or AES-256.  Matching
other algorithms in 9797-3, the nonce is assumed to be transmitted
separately.

However, I think the definition of GMACParameters in your I-D makes more sense.

Best regards,
Jonathan

On Fri, Nov 13, 2020 at 9:12 AM Russ Housley <housley@vigilsec.com> wrote:
>
>
>
> > On Nov 12, 2020, at 5:10 PM, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
> >
> > Signed PGP part
> >
> > Tim Hollebeek <tim.hollebeek=40digicert.com@dmarc.ietf.org> wrote:
> >> https://www.ietf.org/archive/id/draft-housley-lamps-cms-aes-mac-alg-00.txt
> >
> >
> >
> >> Please indicate by November 25th whether you support adoption of
> >> draft-housley-lamps-cms-aes-mac-alg by the LAMPS WG.
> >
> > Seems short and to the point.
> >
> > An example message in an appendix would be nice.
>
> Sure.  That is something I can do in the next version.
>
> Russ
>
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