Ross's TCPA paper

[Peter Fairbrother]

Ross Anderson wrote:

> I don't believe that the choice is both privacy and TCPA, or neither.

Neither do I. 

> There may be symmetry when we consider the problem as theoretical
> computer scientists might, as an issue for abstract machines.

If one-way functions exist there is no such symmetry. While in theory such
functions cannot be proved to exist, in practice they are used a lot in
crypto etc. 


-- Peter Fairbrother