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Communicating Limitations in Cryptographic Support, I
Common restrictions are a family of operations (e.g., ECDSA, DH, MQV)
Consistent with limitations in crypto support
Cryptographers would like to specify modes and ancillary functions (kdfs and hash algorithms)
Generally represent policy requirements rather than limitations in crypto support
Application developers would like as much information as possible, to eliminate extra round trips and failed negotiations.
PPT Version