Dwave has a 1000 qubit quantum computer now in their lab and will release in later in

Discussion in 'hardware' started by lotuseclat79, Jan 16, 2014.

  1. lotuseclat79

    lotuseclat79 Registered Member

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    Last edited: Jan 18, 2014
  2. Hungry Man

    Hungry Man Registered Member

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    It sucks that basically all asymmetric crypto that's been collected is about to be destroyed. There really needs to be a push for PFS.
     
  3. funkydude

    funkydude Registered Member

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    Do you reckon they're keeping logs of old crypto sessions around just to crack it afterwards? Was there evidence of that I missed someplace?
     
  4. lotuseclat79

    lotuseclat79 Registered Member

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  5. Hungry Man

    Hungry Man Registered Member

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    Hasn't it already been confirmed by the leaks? I could swear there was at least one thing that discussed this, but I don't follow it all that closely.

    I honestly just assume that our sessions aren't just being intercepted but also stored.
     
  6. Baserk

    Baserk Registered Member

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    True; link
    I read somewhere else, encrypted data was kept for some 15 years but can't find that source atm.
     
  7. funkydude

    funkydude Registered Member

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    I thought that was only metadata. I also thought the the NSA is already struggling to cope with the extreme amount of metadata they are trying to store, never mind storing the actual encrypted data which would be even larger than non-encrypted data.

    I mean, I could be totally wrong but, to me it seems pointless to store so much in the hope you can one day decrypt it and then what. Say "Oh look we could have prevented XYZ if we had the technology at the time"? :s

    From one perspective you could say that if we are really close to quantum computing, it would start making sense to start storing it now. But then again, websites have already started deploying forward secrecy, would it have made sense to store that data years ago when quantum computing wasn't in sight but forward secrecy wasn't deployed?

    It's probably more likely that they are storing data from already suspected people.

    A good debate I guess but I doubt we'll see an answer.
     
  8. Hungry Man

    Hungry Man Registered Member

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    So their QC isn't actually faster in any meaningful way when it comes to NP problems than a classical computer, just by the way.

    http://www.scottaaronson.com/blog/?p=1643

    @FD,

    Using encryption makes you a suspected person in their eyes, I believe. Storing is no issue though, they have the room, and the computing power. In a stored format / tree they'd be able to access the data quickly too.

    PFS isn't really used anywhere, unfortunately. Google and a few other sites, yeah. And TOR. But otherwise no.

    I don't think they store every single packet that goes through their system but I would assume they store quite a lot.
     
  9. lotuseclat79

    lotuseclat79 Registered Member

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  10. ronjor

    ronjor Global Moderator

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    http://www.technologyreview.com/new...hes-effort-to-build-its-own-quantum-computer/
     
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