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cs.CR2010
Authentication from matrix conjugation
Dima Grigoriev, Vladimir Shpilrain
We propose an authentication scheme where forgery (a.k.a. impersonation) seems infeasible without finding the prover's long-term private key. The latter would follow from solving t…
math.GR2010
Search and witness problems in group theory
Vladimir Shpilrain
Decision problems are problems of the following nature: given a property P and an object O, find out whether or not the object O has the property P. On the other hand, witness prob…