- From: Donald E. Eastlake 3rd <dee3@torque.pothole.com>
- Date: Tue, 16 Oct 2001 10:17:05 -0400
- To: "Yongge Wang" <ywang@certicom.com>, xml-encryption@w3.org, "Simon Blake-Wilson" <sblakewilson@certicom.com>
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/ >
Received on Tuesday, 16 October 2001 10:19:15 UTC