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The following archive was created by hippie-mail 7.98617-22 on Sat Apr 10 1999 - 01:18:50
Anonymous (nobody@replay.com)
Thu, 18 Mar 1999 04:41:37 +0100 (CET)
David Wagner writes:
> Does this argument imply that every symmetrically-keyed MAC is a "public
> key digital signature"? After all, thanks to the theory of zero-knowledge
> proofs, every MAC scheme has an "efficient" confirmation protocol.
> (Many of them may actually be efficient in real life, too, as witnessed
> by Hal Finney's work on SHA-1.)
What would be the public key, though?
The following archive was created by hippie-mail 7.98617-22 on Sat Apr 10 1999 - 01:18:50