Re: [KAML] Re: Chicago bar-BOF summary
Gerald Beuchelt <beuchelt@sun.com> Fri, 14 September 2007 12:34 UTC
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Date: Fri, 14 Sep 2007 08:34:28 -0400
From: Gerald Beuchelt <beuchelt@sun.com>
Subject: Re: [KAML] Re: Chicago bar-BOF summary
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To: "Douglas E. Engert" <deengert@anl.gov>
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Douglas E. Engert wrote: > > > Gerald Beuchelt wrote: >> It is my understanding (and I am also no lawyer!) that the article by >> John Brezak carries a patent license regarding the actual content of >> the document itself. >> >> Now, this document specifies the PAC for Windows 2000, with the >> exception of 18 reserved fields. What it also does not specify is any >> PAC changes in XP, 2003, Vista, or 2008. It also does not specify any >> backend infrastructure (e.g. discovery or resolution services, policy >> tools, or data storage, etc.) that might or might not be covered by >> patents or other intellectual property rights. Also, some of the >> default SIDs in the Windows implementation that are required for >> evaluating group membership (e.g. EVERYONE, etc.) are also not >> included in this document. >> > > There was also the IETF: > draft-brezak-win2k-krb-authz-01.txt > from October 2002, I still have a copy, but does not address XP, 2003 > or Vista. > > Samba has been working on using the PAC created by Windows, and trying > to get XP to use a Samba/Heimdal created PAC. So they may have addressed > a lot of these issues. > > http://samba.org/ftp/unpacked/trunk-cluster/source/libads/authdata.c > referes to KERB_VALIDATION_INFO (Disclaimer: I have not been actively working on these subjects for a few years - please be patient with me and correct my failing memory :-)) The samba 3 domain model is distincly different from the AD/Windows 200x and NT4 domain models in that it is completely non-interoperable: you can not mix samba domain controllers into an AD or NT4 domain, or vice versa. The now-in-alpha samba 4 tries to address this - I will probably take a closer look at where they are at this point in time. > >> In addition, I do seem to remember that Microsoft at some time >> offered a complete description (purportedly including the 18 reserved >> fields) of the PAC that came with a license explicitly prohibiting >> implementation. Since I did not touch this document, I cannot speak >> to its actual content. >> So, as I am not a lawyer, I am quite paranoid when it comes to other >> people's IPR and license terms. Therefore I am just cautioning the >> use of these specifications, since they are (i) old (Windows 2000), >> (ii) not peer-reviewed, and (iii) not published by an established >> standards organization with a clear IPR regime. >> >> Sorry to be such a pain, but if the majority of this group is intend >> on pursuing the NT PAC path, I would suggest that someone approaches >> Microsoft to get clarification about the status of the spec. >> > > I don't think trying to add something to the Microsoft PAC is a good > idea. > But if they add something "Level of assurance" to the PAC using it is > another story. > Agreed. > Adding another auth_data element of SAML does not require the > Microsoft PAC. > Assuming that Windows (and other Kerb implementations) ignore data after the PAC, yes? Best, Gerald _______________________________________________ KAML mailing list KAML@ietf.org https://www1.ietf.org/mailman/listinfo/kaml
- Re: [KAML] Chicago bar-BOF summary Leif Johansson
- [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- [KAML] Chicago bar-BOF summary Leif Johansson
- RE: [KAML] Chicago bar-BOF summary Josh Howlett
- Re: [KAML] Chicago bar-BOF summary Leif Johansson
- RE: [KAML] Chicago bar-BOF summary Josh Howlett
- Re: [KAML] Re: Chicago bar-BOF summary Tom Scavo
- Re: [KAML] Re: Chicago bar-BOF summary Douglas E. Engert
- Re: [KAML] Re: Chicago bar-BOF summary Douglas E. Engert
- Re: [KAML] Re: Chicago bar-BOF summary Tom Scavo
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- RE: [KAML] Re: Chicago bar-BOF summary Taylor, Dennis C. (GSFC-720.0)[INDUS]
- Re: [KAML] Re: Chicago bar-BOF summary Douglas E. Engert
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- Re: [KAML] Re: Chicago bar-BOF summary Scott Cantor
- Re: [KAML] Re: Chicago bar-BOF summary Leif Johansson
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- RE: [KAML] Re: Chicago bar-BOF summary Scott Cantor
- Re: [KAML] Re: Chicago bar-BOF summary Leif Johansson
- Re: [KAML] Re: Chicago bar-BOF summary Douglas E. Engert
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- Re: [KAML] Re: Chicago bar-BOF summary Leif Johansson
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- Re: [KAML] Re: Chicago bar-BOF summary Gerald Beuchelt
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- Re: [KAML] Re: Chicago bar-BOF summary Gerald Beuchelt
- Re: [KAML] Re: Chicago bar-BOF summary Douglas E. Engert
- Re: [KAML] Re: Chicago bar-BOF summary Henry B. Hotz
- Re: [KAML] Re: Chicago bar-BOF summary Gerald Beuchelt
- Re: [KAML] Re: Chicago bar-BOF summary Gerald Beuchelt
- Re: [KAML] Re: Chicago bar-BOF summary Douglas E. Engert