Re: Identifier portability: the fundamental issue

2006-10-17 Thread Dick Hardt
On 16-Oct-06, at 12:24 PM, Martin Atkins wrote: Chris Drake wrote: There seem to be a lot of people on this list who want to hate and loathe the IdP, and grant all power to the RP. I do not understand this reasoning: our users will select the IdP they trust and like, then they will be

Re: Identifier portability: the fundamental issue

2006-10-17 Thread Hans Granqvist
Drummond Reed wrote: I think you may have me mistaken for somebody else on the list (. . .) Double-blind anonymity in action? ;) -Hans ___ specs mailing list specs@openid.net http://openid.net/mailman/listinfo/specs

Re: Identifier portability: the fundamental issue

2006-10-16 Thread Hans Granqvist
Chris Drake wrote: There seem to be a lot of people on this list who want to hate and loathe the IdP, and grant all power to the RP. I do not understand this reasoning: our users will select the IdP they trust and like, then they will be using a multitude of possibly hostile RPs thereafter:

Re: Identifier portability: the fundamental issue

2006-10-16 Thread Martin Atkins
Chris Drake wrote: There seem to be a lot of people on this list who want to hate and loathe the IdP, and grant all power to the RP. I do not understand this reasoning: our users will select the IdP they trust and like, then they will be using a multitude of possibly hostile RPs

Re: Identifier portability: the fundamental issue

2006-10-16 Thread Josh Hoyt
On 10/16/06, Marius Scurtescu [EMAIL PROTECTED] wrote: In this case you are better off opening a separate account with this or some other IdP. The current delegation model will not protect you at all. The delegate tag is in a publicly accessible Yadis document. I agree that anonymity is an

RE: Identifier portability: the fundamental issue

2006-10-16 Thread Drummond Reed
+1. Trust is not a boolean. Martin, that's very quotable. Can I attribute it to you? =Drummond -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Martin Atkins Sent: Monday, October 16, 2006 12:25 PM To: specs@openid.net Subject: Re: Identifier portability

Re: Identifier portability: the fundamental issue

2006-10-14 Thread Josh Hoyt
On 10/13/06, Drummond Reed [EMAIL PROTECTED] wrote: So whether it's in the spec formally or not, I don't really care. But the spec MUST contain details on the precautions a RP should take. Yup.(Got that, editors?) http://openid.net/specs/openid-authentication-2_0-10.html#anchor38 Josh

Re: Identifier portability: the fundamental issue

2006-10-14 Thread Josh Hoyt
On 10/13/06, Chris Drake [EMAIL PROTECTED] wrote: DR CASE 1: the protocol supports only IdP-specific identifiers and no portable DR identifiers. DR RESULT: IdPs can achieve identifier lockin. Not acceptable. End of Case 1. Please explain? If I've got an OpenID URL (eg: my vanity domain),

Re: Identifier portability: the fundamental issue

2006-10-14 Thread Martin Atkins
Brad Fitzpatrick wrote: Counter-argument: but OpenID 1.1 does have two parameters: one's just in the return_to URL and managed by the client library, arguably in its own ugly namespace (not IdP/RP managed, not openid., but something else... the Perl library uses oic. or something). So

RE: Identifier portability: the fundamental issue

2006-10-14 Thread Drummond Reed
@openid.net Subject: Re: Identifier portability: the fundamental issue Hi Drummond, DR CASE 1: the protocol supports only IdP-specific identifiers and no portable DR identifiers. DR RESULT: IdPs can achieve identifier lockin. Not acceptable. End of Case 1. Please explain? If I've got an OpenID URL (eg

Re: Identifier portability: the fundamental issue

2006-10-13 Thread Johannes Ernst
On Oct 13, 2006, at 12:59, Drummond Reed wrote: Yesterday we established consensus that with OpenID, identifier portability is sacred. Could somebody please post a succinct definition of identifier portability somewhere. If we have a new religion, we might as well agree what it is ;-)

Re: Identifier portability: the fundamental issue

2006-10-13 Thread Johannes Ernst
On Oct 13, 2006, at 12:59, Drummond Reed wrote: 1) If the RP sends the IdP-specific identifier, the RP must keep state to maintain mapping to the portable identifier (bad), and I agree, but I'm not sure that this is a big issue. Won't a simple cookie be sufficient? Johannes Ernst

RE: Identifier portability: the fundamental issue

2006-10-13 Thread Granqvist, Hans
To achieve identifier portability in OpenID, it MUST be possible for the RP and the IdP to identify the user using two different identifiers: an identifier by which the RP knows the user (the portable identifier), and an identifier by which the IdP knows the user (the IdP-specific

RE: Identifier portability: the fundamental issue

2006-10-13 Thread Brad Fitzpatrick
On Fri, 13 Oct 2006, Granqvist, Hans wrote: To achieve identifier portability in OpenID, it MUST be possible for the RP and the IdP to identify the user using two different identifiers: an identifier by which the RP knows the user (the portable identifier), and an identifier by which

Re: Identifier portability: the fundamental issue

2006-10-13 Thread Marius Scurtescu
On 13-Oct-06, at 12:59 PM, Drummond Reed wrote: Yesterday we established consensus that with OpenID, identifier portability is sacred. Today I'd like to establish consensus on the following postulate: To achieve identifier portability in OpenID, it MUST be possible for the RP and

RE: Identifier portability: the fundamental issue

2006-10-13 Thread Hallam-Baker, Phillip
Title: RE: Identifier portability: the fundamental issue We must have different understandings of the term sacred then. My understanding of the term is that it refers to a tenet of faith which might cause offense if contradicted. Sent from my GoodLink Wireless Handheld (www.good.com

RE: Identifier portability: the fundamental issue

2006-10-13 Thread Drummond Reed
Drummond wrote: To achieve identifier portability in OpenID, it MUST be possible for the RP and the IdP to identify the user using two different identifiers: an identifier by which the RP knows the user (the portable identifier), and an identifier by which the IdP knows the user (the