There is a simple protocol for this described in Schneier's Applied
Crypto if you have one handy...
(If I recall the application he illustrates with is: it allows two
people to securely compare salary (which is larger) without either
party divulging their specific salary to each other or to a trusted
intermediary).
Adam
On Mon, May 09, 2005 at 06:00:58AM -0700, Sarad AV wrote:
hi,
If user A has the integer a and user B has the integer
b, can a zero knowledge proof be developed to show
that ab,ab or a=b.
