On Sun, May 19, 2013 at 9:29 AM, John Clark <[email protected]> wrote:
> On Sun, May 19, 2013 Telmo Menezes <[email protected]> wrote: > > > Protein folding may grant us immortality, cryptography may save us from >> spending an eternity in hell :) >> > > Excellent, I wish I'd said that. But Quantum Mechanics can give as well as > take, even a Quantum Computer couldn't break a message properly encoded > with quantum cryptology, it would be a secure as the laws of physics. > Quantum cryptography is far less useful than the kind of cryptography we enjoy today. Quantum cryptography requires dedicated direct fiber optic links (or direct line of sight) and it provides no mechanism for authentication. All it guarantees is that you can detect whether or not the link is being tapped. Unfortunately such a scheme doesn't work across interconnected networks such as the Internet. Jason -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list?hl=en. For more options, visit https://groups.google.com/groups/opt_out.

