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Subject: Strawman non-repudiation issues
The strawman suggests that message non-repudiation might be provided by WSS. The WSS SOAP message security 1.0 indicates that (excuse the double negative) non-repudiation is a "non-goal". It is particularly not clear to me how proof can be provided back to the sender with WSS. What threat scenarios is the message non-repudation services to protect against? For example is a court considered to be an irrefutable source? If so would non-repudiation protection against later denial by the court representatives the clerk and judge be appropriate? (Excuse any inappropriate thinking from a security technician). The message reciepts Court and sealing could have a role in providing a form of non-repudiation relating to court submissions but it is not clear how this fits in with the requirements. Nick
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