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UniversalMomentum t1_ivvxhry wrote

There's no sign that quantum computing is about to become viable for breaking most encryption.

It's much easier to keep current encryption levels up thanit is to make quantum chips.

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gregnoone OP t1_ivxaek7 wrote

Agreed - I'm personally a bit sceptical at the estimates saying it'll be the end of the decade for a mature quantum computer to be built, much less in 20 years' time. But I am convinced that it will happen, and given the long shelf-life of some of the data that's being encrypted now, and its vulnerability to HNDL attacks, I think the argument for coming up with durable post-quantum encryption algos now is actually quite prudent.

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gsvnvariable t1_iw2avox wrote

Is that different than IBM’s System Two and their goal of 4k qubit machine in 2025 and then linking more together for 16k+ ? I’m learning about all this so I’m not quite up to speed

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