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Re: three digital signature models ... for x9.59
> in the x9.59 model ... a credit card issuer is an account-authority
> and registers a public key for the account. the holder of the
> account signs a transaction and sends it to a merchant ... the
> merchant forwards the digital signature to the issuer where it
> is validated ... no certificate is required.
No certificate is required, but the cost is enormous - a central
authority is required instead.
I may be missing the point here, but what has this model to do with PKI
(apart from neatly illustrating why you need certificates)?
Ben Laurie |Phone: +44 (181) 735 0686|Apache Group member
Freelance Consultant |Fax: +44 (181) 735 0689|http://www.apache.org
and Technical Director|Email: firstname.lastname@example.org |Apache-SSL author
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