[cryptography] Do quantum attacks/algos also lead to compromise of PFS?

Kevin kevinsisco61784 at gmail.com
Sat Jan 24 17:24:47 EST 2015

On 1/24/2015 3:56 PM, Greg wrote:
> So, I understand that QM algos can pretty much dismantle all popular 
> asymmetric encryption algos with enough q-bits, but I haven't thought 
> hard enough to see if they also can be used to compromise 
> communications that used DH to do PFS underneath the initial handshake.
> Side question: is this the right list to ask this on, or is there 
> other ones I should try? (Is CFRG appropriate? Metzdowd is annoying 
> with its long moderation times...)
> Thanks,
> Greg
> --
> Please do not email me anything that you are not comfortable also 
> sharing with the NSA.
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I believe Grover's algorithm is the quickist at doing what you are 
talking about.


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