[dba-SQLServer] Quantum Computing: Has Its Dawn Finally Arrived?

Old programmers are stuck in a Newtonian reference frame - they don't
do quantum mechanics.

Doug

On Thu, Aug 23, 2012 at 12:39 PM, Jim Lawrence <accessd at shaw.ca> wrote:
> I noticed you didn't mention any old programmers. ;-)
>
> Jim
>
> -----Original Message-----
> From: dba-sqlserver-bounces at databaseadvisors.com
> [mailto:dba-sqlserver-bounces at databaseadvisors.com] On Behalf Of jwcolby
> Sent: Thursday, August 23, 2012 9:41 AM
> To: Discussion concerning MS SQL Server
> Subject: Re: [dba-SQLServer] Quantum Computing: Has Its Dawn Finally
> Arrived?
>
>  >Its potential is virtually unlimited...well limited to who can program it
> and given the current
> description of the product that will be a very finite group indeed.
>
> It will be a very finite group indeed... every high school script kiddie.
>
> ;)
>
> John W. Colby
> Colby Consulting
>
> Reality is what refuses to go away
> when you do not believe in it
>
> On 8/23/2012 12:09 PM, Jim Lawrence wrote:
>>>From what I could read (no subscription) it is a very exciting subject.
>>
>> I suspect within five to ten years a design of same will be on the market
>> and at one point its price will match any today's machines. Its potential
> is
>> virtually unlimited...well limited to who can program it and given the
>> current description of the product that will be a very finite group
> indeed.
>>
>> Maybe just you and me Arthur. ;-)
>>
>> Jim
>>
>> -----Original Message-----
>> From: dba-sqlserver-bounces at databaseadvisors.com
>> [mailto:dba-sqlserver-bounces at databaseadvisors.com] On Behalf Of Arthur
>> Fuller
>> Sent: Thursday, August 23, 2012 5:00 AM
>> To: Discussion concerning MS SQL Server
>> Subject: [dba-SQLServer] Quantum Computing: Has Its Dawn Finally Arrived?
>>
>> This snippet from iProgrammer:
>>
>> A Quantum Computer <http://www.i-programmer.info/news/112/4679.html#>
> Finds
>> FactorsWritten by Mike James   Tuesday, 21 August 2012 10:00
>>
>> The Shor quantum factoring algorithm has been run for the first time on a
>> solid state device and it successfully factored a composite number. Is
> this
>> the start of the quantum computing revolution?
>>
>> Quantum computing is promised to provide many amazing advantages, but the
>> one that is uppermost in the collective consciousness is its ability to
>> factor numbers. The reason for this concern is that the Public Key
>> Infrastructure (PKI) depends on the factoring of large numbers (600 digits
>> or more) being a difficult task for a standard algorithm. In simple terms,
>> public cryptography depends on the asymmetry between multiplying two
> primes
>> together - easy - and factoring the number that results - difficult.
>>
>> A quantum computer, on the other hand, promises to factor a number of any
>> size in one operation and,  if one can be built, the future of the PKI
>> looks bleak and we would have to find encryption methods that were safe
>> against a quantum attack.
>>
>> The summary of this can be found here:
>> http://www.i-programmer.info/news/112/4679.html
>>
>> The original article published in Nature Physics can be found here:
>> http://www.nature.com/nphys/journal/vaop/ncurrent/full/nphys2385.html
>> (subscription
>> required).
>>
>
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