Proving key usage

Authors:
Malek Bechlaghem;Vincent Rijmen
Affiliations:
Cryptomathic NV, Heverlee, Belgium;Cryptomathic NV, Heverlee, Belgium
Venue:
WISA'04 Proceedings of the 5th international conference on Information Security Applications
Year:
2004

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Abstract

In the context of a validation server, or more general PKI server, it could be interesting to give the server the possibility to check whether a certain public key was used. We investigate here some possibilities. We also present an escrow system as an application of the technology.