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Re: Alternative authentication & SPKI
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At 11:20 AM 3/19/98 -0800, Nick Szabo wrote:
>
>Has any work been done on using SPKI or PolicyMaker
>with alternative authentications schemes, such
>as ZKIP, designated confirmer signatures,
>undeniable signatures, etc.? To what
>extent to SPKI and PolicyMaker depend on
>the features of traditional public key
>signatures -- e.g. nonrepudiation and an unrestricted
>set of verifiers?
I don't believe SPKI depends on either...because I believe non-repudiation
is an unachievvable fantasy, today, and I've built examples with a
restricted set of verifiers (by keeping public keys secret or using
secret-key sigs). However, I haven't tried the options you list.
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|Carl M. Ellison cme@cybercash.com http://www.clark.net/pub/cme |
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