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BRIAN_____'s profile
Brian Smith
Brian Smith
Brian Smith
@BRIAN_____

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Brian Smith

@BRIAN_____

Code farmer. Security, crypto, performance, networking, usability. Rust, C++, C, Haskell, DSLs, etc. *ring*, webpki, crypto-bench, mozilla::pkix.

Honolulu & San Francisco
briansmith.org
Joined April 2008

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    1. Alexey Ivanov‏ @SaveTheRbtz 29 Jan 2016

      @igrigorik qq: what do modern browsers do with `ticket_lifetime_hint`? Should http://istlsfastyet.com  take it into an account?

      1 reply 0 retweets 0 likes
    2. Ilya Grigorik‏Verified account @igrigorik 29 Jan 2016
      Replying to @SaveTheRbtz

      @SaveTheRbtz good question, paging @sleevi_ :) ... guessing, "not much".

      1 reply 0 retweets 1 like
    3. Ryan Sleevi‏ @sleevi_ 29 Jan 2016
      Replying to @igrigorik

      @igrigorik @SaveTheRbtz // cc @davidben__

      1 reply 0 retweets 0 likes
    4. David Benjamin‏ @davidben__ 29 Jan 2016
      Replying to @sleevi_

      @sleevi_ @igrigorik @SaveTheRbtz Doesn't look like we do anything with it right now. I suppose we could? Meh.

      2 replies 0 retweets 0 likes
    5. Ryan Sleevi‏ @sleevi_ 29 Jan 2016
      Replying to @davidben__

      @davidben__ @igrigorik @SaveTheRbtz Yeah, seems more useful for constrained memory environments. Doesn't seem to offer any other benefits.

      1 reply 0 retweets 0 likes
    6. Brian Smith‏ @BRIAN_____ 29 Jan 2016
      Replying to @sleevi_

      @sleevi_ @davidben__ @igrigorik @SaveTheRbtz "I'll throw away the master secret for this session after X and/or I'd like you to do so."

      1 reply 0 retweets 0 likes
    7. Ryan Sleevi‏ @sleevi_ 29 Jan 2016
      Replying to @BRIAN_____

      @BRIAN_____ @davidben__ @igrigorik @SaveTheRbtz Right, but that's like asking the client "Please set the evil bit if you have malware"

      1 reply 0 retweets 1 like
      Brian Smith‏ @BRIAN_____ 29 Jan 2016
      Replying to @sleevi_

      @sleevi_ @davidben__ @igrigorik @SaveTheRbtz No. It's good to throw away secrets when they're only useful to attackers, not you.

      7:33 PM - 29 Jan 2016
      • 1 Like
      • David Mirza Ahmad
      2 replies 0 retweets 1 like
        1. New conversation
        2. Ryan Sleevi‏ @sleevi_ 29 Jan 2016
          Replying to @BRIAN_____

          @BRIAN_____ @davidben__ @igrigorik @SaveTheRbtz Under what threat model does it provide value? Only client compromise

          4 replies 0 retweets 0 likes
        3. Alexey Ivanov‏ @SaveTheRbtz 30 Jan 2016
          Replying to @sleevi_

          @sleevi_ @BRIAN_____ @davidben__ if you compromise client, you should be able to decrypt previously captured traffic up to "lifetime" secs.

          1 reply 0 retweets 0 likes
        4. Ryan Sleevi‏ @sleevi_ 30 Jan 2016
          Replying to @SaveTheRbtz

          @SaveTheRbtz If you compromise client to the point you have cross-process memory access, you have far worse problems. That's the point.

          2 replies 0 retweets 0 likes
        5. Alexey Ivanov‏ @SaveTheRbtz 30 Jan 2016
          Replying to @sleevi_

          @sleevi_ agreed. Broken PFS would probably be the least important thing at that point.

          0 replies 0 retweets 0 likes
        6. End of conversation
        1. Brian Smith‏ @BRIAN_____ 29 Jan 2016
          Replying to @BRIAN_____

          @sleevi_ @davidben__ @igrigorik @SaveTheRbtz Not the highest priority issue in the world, though.

          0 replies 0 retweets 0 likes
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