non-repudiation, was Re: crypto flaw in secure mail standards

[Lynn.Wheeler at firstdata.com]

... and the x9.59 solution was designed to be applicable to "all"
account-based, electronic payments .... not just credit ... but "all".

much of the regs. are specific to credit (because of the ease that
account-number harvesting can lead to fraudulent, non-authenticated
transactions)  ... while the x9.59 approach can not only be used to address
credit but debit as well (one of the other account-based, electronic
payments).

an example is the completed nacha pilot

again refs at

http://www.garlic.com/~lynn/






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