invoicing with PKI

[Hadmut Danisch]

Hi,

On Thu, Jul 17, 2003 at 04:27:52PM -0400, Ian Grigg wrote:
> Does anyone know any instances of invoicing and
> contracting systems that use PKI and digital orders?
> 
> That is, purchasing departments and selling departments
> communicating with digitally signed contracts, purchase
> orders, delivery confirmations and so forth.
> 
> And, the normal skeptical followup question, do they
> work, in the sense of delivering ROI, or are they just
> hopeful trials?
> 

Beyond invoicing/contracting, which applications of PKI
in e-business or related areas are there anyway? (except 
for the standard tools SSL, X.509,...)

Is there a survey of where in e-business cryptography 
is actually being used between customers and providers?

How many shops do use SET for payment?

regards
Hadmut

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