> [mailto:[EMAIL PROTECTED] Behalf Of Dave Howe
> Peter Fairbrother may well be in possession of a break for the QC hard
> problem - his last post stated there was a way to "clone" photons with
> high accuracy in retention of their polarization
> [SNIP]
Not a break at all. The physical limit for cloning is 5/6ths of the bits will clone 
true. Alice need only send 6 bits for every one bit desired to assure Eve has zero 
information. For a 256-bit key negotiation, Alice sends 1536 bits and hashes it down 
to 256 bits for the key.

-Michael Heyman

The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]

Reply via email to