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

Tony Arcieri bascule at gmail.com
Sun Jan 25 11:06:26 PST 2015


On Sun, Jan 25, 2015 at 11:04 AM, Tao Effect <contact at taoeffect.com> wrote:

> *"More good news: quantum computers suck at breaking symmetric encryption"*
>
> Do you have a citation for that? It conflicts with what I've heard from
> others.
>

As I understand it, quantum computers effectively halve the keyspace, so
perhaps "suck" is too strong a term, but it isn't completely catastrophic
for symmetric encryption the same way it is with RSA/ECC-like pubkey
systems.

-- 
Tony Arcieri
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