On 3 Sep 2002 00:15:54 GMT [EMAIL PROTECTED] (David Wagner) writes:
And, for the example given by the poster -- exhaustive
keysearch -- there is no way known to set up a superposition of the
desired form with O(1) basic quantum operations. In fact, there is not
even a shred of reason to
Jaap-Henk Hoepman wrote:
On Mon, 02 Sep 2002 17:59:12 -0400 John S. Denker [EMAIL PROTECTED] writes:
The same applies even more strongly to quantum computing:
It would be nice if you could take a classical circuit,
automatically convert it to the corresponding quantum
circuit, with
At 08:56 PM 8/30/02 -0700, AARG!Anonymous wrote:
Bear writes:
In this case you'd need to set up the wires-and-gates model
in the QC for two ciphertext blocks, each attached to an
identical plaintext-recognizer function and attached to the
same key register. Then you set up the entangled
David Honig wrote:
At 08:56 PM 8/30/02 -0700, AARG!Anonymous wrote:
The problem is that you can't forcibly collapse the state vector into your
wished-for eigenstate, the one where the plaintext recognizer returns a 1.
Instead, it will collapse into a random state, associated with a random
key,
AARG!Anonymous wrote:
The problem is that you can't forcibly collapse the state vector into your
wished-for eigenstate, the one where the plaintext recognizer returns a 1.
Instead, it will collapse into a random state,
Sorry, that's a severe mis-characterization.
David Honig wrote:
I
Ed Gerck wrote:
The original poster is correct, however, in that a metric function can
be defined
and used by a QC to calculate the distance between a random state and an
eigenstate with some desired properties, and thereby allow the QC to define
when that distance is zero -- which provides the
Bear writes:
In this case you'd need to set up the wires-and-gates model
in the QC for two ciphertext blocks, each attached to an
identical plaintext-recognizer function and attached to the
same key register. Then you set up the entangled state,
and collapse the eigenvector on the
bear wrote:
On Sat, 17 Aug 2002, Perry E. Metzger wrote:
[I don't know what to make of this story. Anyone have information? --Perry]
Quantum computer called possible with today's tech
http://www.eet.com/story/OEG20020806S0030
..
The papers I've been reading claim that feistel
[I don't know what to make of this story. Anyone have information? --Perry]
Quantum computer called possible with today's tech
http://www.eet.com/story/OEG20020806S0030
MADISON, Wis. Researchers at the University of Wisconsin in
Madison claim to have created the world's first successful
