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bascule's profile
Tony Arcieri
Tony Arcieri
Tony Arcieri
@bascule

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Tony Arcieri

@bascule

Co-founder @iqlusioninc, formerly @square @chain. Cryptography dilettante, polyglot programmer, key management wrangler, and infrastructure security specialist

San Francisco, CA
tonyarcieri.com
Joined May 2007

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    1. the grugq‏ @thegrugq 24 Feb 2015
      Replying to @alexstamos

      @alexstamos I'd argue, and I think NSA would too, that Dual_EC isn't "weaker" in any meaningful sense.

      1 reply 0 retweets 0 likes
    2. Marsh Ray‏ @marshray 24 Feb 2015
      Replying to @thegrugq

      @thegrugq @alexstamos pretty sure dual-ex drbg has observable bias. It's a bad prng.

      1 reply 0 retweets 0 likes
    3. the grugq‏ @thegrugq 24 Feb 2015
      Replying to @marshray

      @marshray @alexstamos ok, but it is possible to create a system that only NSA has the key and it is "secure" enough.

      1 reply 0 retweets 0 likes
    4. JP Aumasson‏ @veorq 24 Feb 2015
      Replying to @thegrugq

      @thegrugq @marshray @alexstamos this statement can be rephrased as "NSA can securely store and access-control a 4kb string"; can also be HSM

      2 replies 0 retweets 0 likes
    5. the grugq‏ @thegrugq 24 Feb 2015
      Replying to @veorq

      @veorq @marshray @alexstamos yeah, I think it is technically possible to do, so I don't think we should say it isn't.

      1 reply 0 retweets 0 likes
    6. Marsh Ray‏ @marshray 24 Feb 2015
      Replying to @thegrugq

      @thegrugq @veorq @alexstamos not without sacrificing the security property of Forward Secrecy.

      1 reply 0 retweets 0 likes
    7. the grugq‏ @thegrugq 24 Feb 2015
      Replying to @marshray

      @marshray @veorq @alexstamos true.

      1 reply 0 retweets 0 likes
    8. JP Aumasson‏ @veorq 24 Feb 2015
      Replying to @thegrugq

      @thegrugq @marshray @alexstamos not necessarily, backdoor may require interaction (active MitM, say)

      1 reply 0 retweets 0 likes
    9. Marsh Ray‏ @marshray 24 Feb 2015
      Replying to @veorq

      @veorq @thegrugq @alexstamos But #NSA already has that capability via government root cents (and Superfish, etc.)

      2 replies 0 retweets 0 likes
      Tony Arcieri‏ @bascule 24 Feb 2015
      Replying to @marshray

      @marshray @veorq @thegrugq @alexstamos just have the NSA generate your private keys: http://kukuruku.co/hub/infosec/backdoor-in-a-public-rsa-key …

      11:44 PM - 24 Feb 2015
      • 2 Retweets
      • 1 Like
      • u irate bro? Rodrigo Vigna
      1 reply 2 retweets 1 like
        1. New conversation
        2. JP Aumasson‏ @veorq 24 Feb 2015
          Replying to @bascule

          @bascule @marshray @thegrugq @alexstamos many more tricks in https://math.uwaterloo.ca/combinatorics-and-optimization/sites/ca.combinatorics-and-optimization/files/uploads/files/Jihoon-C.pdf …

          1 reply 1 retweet 3 likes
        3. 1 more reply

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