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zeynep's profile
zeynep tufekci
zeynep tufekci
zeynep tufekci
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@zeynep

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zeynep tufekciVerified account

@zeynep

Complex systems, wicked problems. Society, technology, science and more. @UNC professor. @NYTimes columnist. My newsletter is @insight: http://www.theinsight.org 

floating in a most peculiar way
theinsight.org
Joined August 2009

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    1. zeynep tufekci‏Verified account @zeynep 15 Oct 2015

      Ran into Alex Halderman recently. He casually said "we found a weakness in Diffie-Hellman." My jaw dropped. GO READ. https://freedom-to-tinker.com/blog/haldermanheninger/how-is-nsa-breaking-so-much-crypto/ …

      7 replies 243 retweets 147 likes
    2. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      Basically, with a one-time large investment a state (ahem) who knows this weakness can decrypt large chunk of global VPNs, SSH, HTTPS etc.

      1 reply 14 retweets 3 likes
    3. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      Before you think, "oh, it's just the NSA then", as Alex and Nadia point out: "Vulnerability on this scale is indiscriminate."

      1 reply 4 retweets 3 likes
    4. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      Not sure how to explain all this at tweet length but THIS IS THE BIGGEST REVELATION ON STATE SURVEILLANCE IN YEARS. https://freedom-to-tinker.com/blog/haldermanheninger/how-is-nsa-breaking-so-much-crypto/ …

      2 replies 120 retweets 60 likes
    5. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      Crypto math isn't "this isn't breakable by computation" It's "this is VEEERY HARD quickly compute." Doesn't rule out (unknown) shortcuts.

      1 reply 4 retweets 5 likes
    6. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      So basically a very widely used crypto math algorithm that everyone until recently said was the one to use has a .. shortcut to break it.

      2 replies 7 retweets 3 likes
    7. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      Good news, I guess: investment required for exploit is huge, so can only be done by states. Bad news: the weakness breaks forward secrecy.

      1 reply 6 retweets 3 likes
    8. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      Q here isn't merely should NSA use such weaknesses. It is:"should NSA fix these weaknesses instead of using them"? "Who else is using them?"

      2 replies 4 retweets 3 likes
    9. zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @zeynep

      What's good for the goose is good for the gander. If one state can break HTTPS/VPN/TLS/SSH, so can another. That's a key unaddressed issue.

      2 replies 6 retweets 5 likes
    10. Ross Nicoll  🎩‏ @JRossNicoll 15 Oct 2015
      Replying to @zeynep

      @zeynep Also, for all the reasons that encryption backdoors are a bad idea, if one state breaks it, eventually everyone else will too

      1 reply 0 retweets 2 likes
      zeynep tufekci‏Verified account @zeynep 15 Oct 2015
      Replying to @JRossNicoll

      @JRossNicoll indeed.

      7:18 AM - 15 Oct 2015
      0 replies 0 retweets 0 likes

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