On 10/6/2014 4:44 PM, Tamme Schichler wrote: > The problem is that B has a history of lying > about such conversations, so A wants to be able to prove as much as > becomes necessary to deflect allegations, but also little as possible to > protect the privacy of either side or third parties (or the other way > around, as usual the solution would ideally be symmetric).
Sounds like a classic requirement for Non-Repudiation of Recipient: http://www.cse.scu.edu/~tschwarz/coen351_06/PPtPre/Nonrepudiation.ppt http://ccr.sigcomm.org/archive/1996/jan96/ccr-9601-coffey.ps d/ -- Dave Crocker Brandenburg InternetWorking bbiw.net _______________________________________________ Messaging mailing list [email protected] https://moderncrypto.org/mailman/listinfo/messaging
