Tuesday, October 30, 2007

HTTP signatures

James Clark has a thoughtful sequence of posts on signing HTTP responses, where, in Jim's words:
"The purpose of the proposal that I've been developing in this series of posts is to allow somebody that receives a representation of a resource to verify the integrity and origin of that representation; the mechanism for achieving this is signing HTTP responses."
Besides the utility of the approach, reading these posts provides a good lesson in how to think about solving a technical problem.

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