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Subject: Re: ISSUE:[UC-12-01:Encryption] (was RE: Comments on Straw Man 2: Protection of message contents)
Irving, I don't think I agree here. If the issue is "sharing data only as needed", then encryption doesn't help at all... the problem isn't eavesdropping, it is "need-to-know", which can only be solved by some mechanism like an access-control system. --bob Bob Blakley Chief Scientist Enterprise Solutions Unit Tivoli Systems, Inc. (an IBM Company) Irving Reid <Irving.Reid@baltimore.com> on 02/26/2001 10:10:09 PM To: security-use@lists.oasis-open.org cc: Subject: ISSUE:[UC-12-01:Encryption] (was RE: Comments on Straw Man 2: Pr otection of message contents) This clearly can't be ready for ballot before the F2F, but I thought I'd respond to Darren's suggestion. What follows is my modified suggestion for issue ballot text: ISSUE:[UC-12-01:Encryption] UC-9-02:PrivacyStatement addresses the importance of sharing data only as needed between security zones (from asserting party to relying party). However, it is also important that data not be available to third parties, such as snoopers or untrusted intermediaries. One possible solution for implementors is to use secure channels between relying party and asserting party. Another is to use encryption, either with a shared secret or with public keys. Possible Resolutions: 1) Include an allowance for explicit use of encryption, such as XML Encryption (http://www.w3.org/Encryption/2001/), within SAML messages. SAML messages could then be transferred securely on any protocol. 2) Specify security properties in the Bindings documents. Each binding must include a description of how the privacy and integrity of SAML messages can be protected within that binding. Examples: S/MIME for MIME, HTTP/S for HTTP. ------------------------------------------------------------------ To unsubscribe from this elist send a message with the single word "unsubscribe" in the body to: security-use-request@lists.oasis-open.org
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