A taxonomy for key escrow encryption systems
Communications of the ACM
Information warfare and security
Information warfare and security
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This paper investigates interoperability problems arising from the use of dissimilar key recovery mechanisms in encrypted communications. The components that can cause interoperability problems are identified and a protocol is proposed where two communicating entities can negotiate the key recovery mechanism(s) to be used. The ultimate goal is to provide the entities a means to agree either on a mutually acceptable KRM or on different, yet interoperable, mechanisms of their choice.