Re: [cryptography] How are expired code-signing certs revoked? (nonrepudiation)

2011-12-22 Thread Adam Back
Stefan Brands credentials [1] have an anti-lending feature where you have to know all of the private components in order to make a signature with it. My proposal related to what you said was to put a high value ecash coin as one of the private components. Now they have a direct financial

Re: [cryptography] How are expired code-signing certs revoked? (nonrepudiation)

2011-12-22 Thread ianG
On 22/12/11 18:17 PM, John Case wrote: On Wed, 7 Dec 2011, Jon Callas wrote: Nonrepudiation is a somewhat daft belief. +1 Let me give a gedankenexperiment. Suppose Alice phones up Bob and says, Hey, Bob, I just noticed that you have a digital nature from me. Well, ummm, I didn't do it.