On Fri, Sep 23, 2011 at 1:46 AM, James A. Donald <jam...@echeque.com> wrote: > On 2011-09-23 8:33 AM, Nico Williams wrote: >> >> In your view then, is the alternative at all a public key based >> crypto system? If yes, is it SSH (or SSH-like) "trust on first >> contact" or something else? > > In order to shop, one needs a third party mediating transactions > > *THEY* should issue certificates. The Visa certificate should signify "This > merchant is trusted by Visa to accept Visa." > > And further, you should have a client app on your computer for dealing with > shared secrets, which is only capable of attempting a visa payment with an > entity trusted by Visa.
Wasn't that what SET did? _______________________________________________ cryptography mailing list cryptography@randombit.net http://lists.randombit.net/mailman/listinfo/cryptography
