[cryptography] How far are we from quantum cryptography?
ron at flownet.com
Sun Jan 25 15:45:13 EST 2015
Far. The state of the art in quantum computing hardware is a small handful of qbits. I think the current record is three or four, and the engineering challenges grow more daunting as the number grows. It might turn out that practical quantum computing is in fact not possible. But if that’s the case, the limiting factor is not yet know, so one should not be too complacent. If the history of technology teaches anything it is that anything that is not impossible is inevitable.
On Jan 25, 2015, at 12:38 PM, Kevin <kevinsisco61784 at gmail.com> wrote:
> Okay, we see a lot about quantum cryptography and how today's cryptosystems are mere toys compared to a quantum computer. Great, but in this post-quantum world how close are we to seeing it in action?
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