- From: Joseph Reagle <reagle@w3.org>
- Date: Tue, 16 Oct 2001 14:18:30 -0400
- To: "Donald E. Eastlake 3rd" <dee3@torque.pothole.com>, "Yongge Wang" <ywang@certicom.com>, xml-encryption@w3.org, "Simon Blake-Wilson" <sblakewilson@certicom.com>
Ok, so does anyone object to the change, (it requires a small tweak to an implementation)? If I don't here of any objection by week's end, I'll do the tweak for the next+ draft. (Last Calls are in the hopper for Thursday, and I don't that's enough time to get feedback and do the tweak.) On Tuesday 16 October 2001 10:17, Donald E. Eastlake 3rd wrote: > I don't have a problem with the suggested change. > > Donald > > From: Joseph Reagle <reagle@w3.org> > Organization: W3C > To: "Yongge Wang" <ywang@certicom.com>, xml-encryption@w3.org > Date: Mon, 15 Oct 2001 16:44:44 -0400 > Cc: "Simon Blake-Wilson" <sblakewilson@certicom.com> > References: <85256A9A.00510388.00@smtpmail.certicom.com> > In-Reply-To: <85256A9A.00510388.00@smtpmail.certicom.com> > > >Did anyone ever respond to your email to your satisfaction? > > > >Also, do you and Simon wish to continue to be listed as participants on > > the WG roster? (I generally look if people haven't been active for the > > last 6 months and ping them for their continued interest.) > > > >On Tuesday 31 July 2001 10:45, Yongge Wang wrote: > >> Hi, > >> I might missed some discussions on this issue. The following comments > >> are for the "WG Working Draft 26 June 2001". > >> > >> In Section 5.5: Key Agreement, there are two functions: > >> > >> Keying Material = KM(1) | KM(2) | ... > >> KM(counter)=DigestAlg(EncryptionAlg | ZZ | counter | Nonce | KeySize) > >> > >> In ANSI X9.42, ANSI X9.63, and IETF S/MIME, the first function > >> "Keying Material = KM(1) | KM(2) | ..." > >> is the same. However, the second function "KM(counter)" is a little > >> different from the ANSI and IETF > >> one: KM(counter) = H(ZZ||counter||SharedInfo) > >> This difference is enough to produce incompatibility with ANSI/IETF > >> standards and currently available > >> API packages. > >> > >> Is it possible to change the order of the input to KM so that it will > >> look like: > >> > >> KM(counter) = DigestAlg( ZZ | counter | EncryptionAlg | Nonce | > >> KeySize) > >> > >> Then one can encapsulate "EncryptionAlg | Nonce | KeySize" as the > >> SharedInfo and pass it > >> to the API package. > >> > >> Yongge > > > >-- > >Joseph Reagle Jr. http://www.w3.org/People/Reagle/ > >W3C Policy Analyst mailto:reagle@w3.org > >IETF/W3C XML-Signature Co-Chair http://www.w3.org/Signature > >W3C XML Encryption Chair http://www.w3.org/Encryption/2001/ -- Joseph Reagle Jr. http://www.w3.org/People/Reagle/ W3C Policy Analyst mailto:reagle@w3.org IETF/W3C XML-Signature Co-Chair http://www.w3.org/Signature W3C XML Encryption Chair http://www.w3.org/Encryption/2001/
Received on Tuesday, 16 October 2001 14:19:19 UTC