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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.vms
Subject: Re: BridgeWorks
Date: Wed, 24 Jul 2024 00:32:20 -0000 (UTC)
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On Tue, 23 Jul 2024 20:27:26 -0400, Arne Vajhøj wrote:

> On 7/23/2024 8:09 PM, Lawrence D'Oliveiro wrote:
>>
>> On Tue, 23 Jul 2024 20:06:00 -0400, Arne Vajhøj wrote:
>>>
>>> On 7/22/2024 11:08 PM, Lawrence D'Oliveiro wrote:
>>>>
>>>> On Mon, 22 Jul 2024 22:55:35 -0400, Arne Vajhøj wrote:
>>>>>
>>>>> AES-128 is toast if/when they make a quantum computer with enough
>>>>> qubits.
>>>>
>>>> So far progress on getting quantum computers to perform any kind of
>>>> number-theoretic computation has been precisely ... zero.
>>>
>>> Basing ones choices of cryptographic algorithms on a belief/hope that
>>> it will continue that ways is not good engineering.
>> 
>> Evidence: it’s been about 30 years since Shor’s algorithm came out. The
>> “belief/hope” is on the side of those who still think “quantum”
>> computing will somehow, magically, any day now, fulfil that
>> long-overdue promise.
> 
> You don't think logical. It is pretty simple:
> 
>                                      quantum computers  quantum
>                                      computers do not materialize do
>                                      materialize
> using non-quantum-secure algorithms        OK              toast switch
> to quantum-secure algorithms        OK                OK

That’s still based on a promise of vapourware.