But it was my understanding that encryption is being changed to methods for which a quantum computer is no better than a classical computer and are effectively secure.

Brent

On 5/6/2024 6:16 AM, Jason Resch wrote:
While adopting new algorithms will secure future communications, anyone with the capacity to intercept and record messages now can hold on to them until the time large scale quantum computers can be developed to break the old encryption. There will be some advantage to the first one to get such a computer (assuming that one also has the recorded communications protected with current algorithms).

Jason

On Sun, May 5, 2024, 5:02 PM Brent Meeker <meekerbr...@gmail.com> wrote:

    The article implies that if China gets big quantum computers
    before we do they'll be able to read all our messages.  But us
    getting big QC first doesn't affect that.  What we need to do is
    change to encryption not susceptible to QCs, something we are
    already doing.  I has nothing to do with how fast be make big QCs.

    Brent

    On 5/5/2024 5:58 AM, John Clark wrote:
    *Will Australia’s giant Quantum Computer bring militaries’ fears
    to life?*
    
<https://www.defenseone.com/technology/2024/05/will-australias-giant-quantum-project-bring-militaries-fears-life/396312/>

    John K Clark    See what's on my new list at Extropolis
    <https://groups.google.com/g/extropolis>
    aqp
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