FW: New Liaison Statement, "Liaison to IETF on the removal of upper bound in X.509"
Stefan Santesson <stefans@microsoft.com> Fri, 05 October 2007 14:24 UTC
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From: Stefan Santesson <stefans@microsoft.com>
To: "ietf-pkix@vpnc.org" <ietf-pkix@vpnc.org>
Date: Fri, 05 Oct 2007 14:27:41 +0100
Subject: FW: New Liaison Statement, "Liaison to IETF on the removal of upper bound in X.509"
Thread-Topic: New Liaison Statement, "Liaison to IETF on the removal of upper bound in X.509"
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Forwarding a liaison e-mail from ISO/ITU. This seems like a very reasonable change to me, but please review and provide feedback. Stefan Santesson Senior Program Manager Windows Security, Standards -----Original Message----- From: Xiaoya Yang [mailto:tsbsg17@itu.int] Sent: den 5 oktober 2007 14:19 To: Russ Housley; Stefan Santesson Cc: Herbert Bertine; tsbsg17@itu.int; era@tdcadsl.dk; Xiaoya YANG; tsbsg17@itu.int; era@tdcadsl.dk Subject: New Liaison Statement, "Liaison to IETF on the removal of upper bound in X.509" Title: Liaison to IETF on the removal of upper bound in X.509 Submission Date: 2007-10-05 URL of the IETF Web page: https://datatracker.ietf.org/public/liaison_detail.cgi?detail_id=376 Please reply by 2008-03-01 From: Xiaoya Yang(ITU-T SG 17) <tsbsg17@itu.int> To: IETF/PKIX(Russ Housley <housley@vigilsec.com>, Stefan Santesson <stefans@microsoft.com>) Cc: Herbert Bertine <hbertine@alcatel-lucent.com> <tsbsg17@itu.int> <era@tdcadsl.dk> Reponse Contact: Xiaoya YANG <xiaoya.yang@itu.int> <tsbsg17@itu.int> Technical Contact: <era@tdcadsl.dk> Purpose: For action Body: In relation to resolve a Defect Report, it appears to majority within the X.500 community to remove hard-coded length restriction whenever a DirectoryString is used. In response to developer demand in the early days of the standard X.520 contained a list of maximum lengths for a variety of string types, e.g., organizationalName. The values specified were non-normative. However, some implementers treated the values as normative. This has caused interoperability problem with implementations. We plan to remove the upper bounds specified in the standard. In particular we intend to eliminate the Upper Bounds for DirectoryString. The proposal does not change the definition of DirectoryString, but attribute definitions will look slightly different. As an example, street address may streetAddress{INTEGER:maxSize} ATTRIBUTE ::= { WITH SYNTAX DirectoryString {maxSize} EQUALITY MATCHING RULE caseIgnoreMatch SUBSTRINGS MATCHING RULE caseIgnoreSubstringsMatch ID id-at-streetAddress } That means that at implementation time, the upper limit may be added if wanted. Otherwise an unlimited string may be assumed. The proposal will not change the bits on the wire and we believe this is in line with what the PXIX group is already doing. We are forwarding this liaison to ensure that the PKIX group has no problem with this proposal. Please confirm that you have no objection to our removal of upper bounds. Attachment(s): No document has been attached
- Re: New Liaison Statement, "Liaison to IETF on th… Russ Housley
- FW: New Liaison Statement, "Liaison to IETF on th… Stefan Santesson
- Re: New Liaison Statement, "Liaison to IETF on th… Russ Housley
- Re: New Liaison Statement, "Liaison to IETF on th… Hoyt L Kesterson II
- Re: New Liaison Statement, "Liaison to IETF on th… Stephen Farrell
- RE: New Liaison Statement, "Liaison to IETF on th… Hallam-Baker, Phillip
- RE: New Liaison Statement, "Liaison to IETF on th… Kemp, David P.
- Re: New Liaison Statement, "Liaison to IETF on th… Stephen Farrell
- RE: New Liaison Statement, "Liaison to IETF on th… Kemp, David P.
- Re: FW: New Liaison Statement, "Liaison to IETF o… Paul Hoffman
- Re: New Liaison Statement, "Liaison to IETF on th… Steven Legg
- Re: FW: New Liaison Statement, "Liaison to IETF o… Steven Legg
- Re: New Liaison Statement, "Liaison to IETF on th… Stephen Farrell
- RE: New Liaison Statement, "Liaison to IETF on th… Kemp, David P.
- Re: New Liaison Statement, "Liaison to IETF on th… Paul Hoffman
- Re: New Liaison Statement, "Liaison to IETF on th… Steven Legg
- Re: New Liaison Statement, "Liaison to IETF on th… Paul Hoffman
- RE: New Liaison Statement, "Liaison to IETF on th… Kemp, David P.
- Re: New Liaison Statement, "Liaison to IETF on th… David Chadwick
- Re: New Liaison Statement, "Liaison to IETF on th… Paul Hoffman
- Re: New Liaison Statement, "Liaison to IETF on th… David A. Cooper
- RE: New Liaison Statement, "Liaison to IETF on th… Kemp, David P.