Non-repudiation (was RE: The PAIN mnemonic)

[Amir Herzberg]

Ben, Carl and others,

At 18:23 21/12/2003, Carl Ellison wrote:

> > >and it included non-repudiation which is an unachievable,
> > nonsense concept.

Any alternative definition or concept to cover what protocol designers 
usually refer to as non-repudiation specifications? For example 
non-repudiation of origin, i.e. the ability of recipient to convince a 
third party that a message was sent (to him) by a particular sender (at 
certain time)?

Or - do you think this is not an important requirement?
Or what?


Best regards,

Amir Herzberg
Computer Science Department, Bar Ilan University
Lectures: http://www.cs.biu.ac.il/~herzbea/book.html
Homepage: http://amir.herzberg.name

---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo at metzdowd.com