Following which, Alice pulls out the pre-dated revocation certificate, and generates confusion as to the validity of Bob's key change message. Duh, indeed. Adam On Fri, Nov 30, 2001 at 01:34:53PM -0500, Sunder wrote: | Simple. Once the buyer has the keys she issues an email saying "I'm | changing my keys, here's the new public key" and signs it with the old key | - thus proving that the nym's original message was valid, thus | invalidating the old one. Duh! | | | ----------------------Kaos-Keraunos-Kybernetos--------------------------- | + ^ + :Surveillance cameras|Passwords are like underwear. You don't /|\ | \|/ :aren't security. A |share them, you don't hang them on your/\|/\ | <--*-->:camera won't stop a |monitor, or under your keyboard, you \/|\/ | /|\ :masked killer, but |don't email them, or put them on a web \|/ | + v + :will violate privacy|site, and you must change them very often. | --------_sunder_@_sunder_._net_------- http://www.sunder.net ------------ | | On Fri, 30 Nov 2001, Adam Shostack wrote: | | > On Fri, Nov 30, 2001 at 12:14:13PM -0800, Wei Dai wrote: | > | On Thu, Nov 29, 2001 at 07:53:02PM -0800, georgemw@speakeasy.net wrote: | > | > Even this is not a scalar. Since reputation cannot be bought | > | > and sold, the idea that it is worth a specific well defined amount is | > | > false. | > | | > | If you own a nym, you can easily sell its reputation. Just give the | > | private key to the buyer. | > | > How does the buyer ensure that I haven't kept a copy? If what I'm | > selling is a nym, then without the nym, I am anonymous. Adding layers | > of nymity for reputation with partial disclosure seems a complex and | > failure-prone approach. | > | > Adam | > | > -- | > "It is seldom that liberty of any kind is lost all at once." | > -Hume -- "It is seldom that liberty of any kind is lost all at once." -Hume