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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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    Brian Smith‏ @BRIAN_____ 8 Oct 2015

    If it really costs $75,000-120,000 on EC2 to make a full SHA-1 collision then somebody qualified should start a Kickstarter to make a PoC.

    11:57 AM - 8 Oct 2015
    • 37 Retweets
    • 29 Likes
    • Albert Lunde WISeKey QuoVadis Robert Noack 0xDB Paul Préfontaine Jeff Noxon Berry Dan Carnes Tim Medin
    6 replies 37 retweets 29 likes
      1. New conversation
      2. Brian Smith‏ @BRIAN_____ 8 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ And @awscloud could, perhaps, donate a huge chunk of that.

        2 replies 1 retweet 0 likes
      3. Ian Carroll‏ @iangcarroll 8 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ @awscloud Google and MSFT already give startups $100k in credit.

        0 replies 0 retweets 2 likes
      4. End of conversation
      1. New conversation
      2. nephalem‏ @_nephalem_ 8 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ a strong collision?

        1 reply 0 retweets 0 likes
      3. Brian Smith‏ @BRIAN_____ 8 Oct 2015
        Replying to @_nephalem_

        @evasiv3 A collision using standard SHA-1, with the standard IV, with no other constraints.

        1 reply 0 retweets 0 likes
      4. nephalem‏ @_nephalem_ 8 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ yes but strong or weak? the impact is vastly different.

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. New conversation
      2. Kenn White‏Verified account @kennwhite 8 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ wonder if @jmgosney has a few million spare petacycles? ;)

        6 replies 0 retweets 0 likes
      3. Jeremi M Gosney‏ @jmgosney 8 Oct 2015
        Replying to @kennwhite

        @kennwhite @BRIAN_____ they don't seem to take into consideration that the GPUs in their 64-GPU cluster are 5-6x faster than EC2 GPUs

        1 reply 1 retweet 1 like
      4. Brian Howson‏ @bkhowson 8 Oct 2015
        Replying to @jmgosney

        @jmgosney @marshray @kennwhite @BRIAN_____ Also consider the Titan X is almost 2x: SHA1 6112MH/s vs 3349 MH/shttps://gist.github.com/epixoip/63c2ad11baf7bbd57544 …

        2 replies 0 retweets 0 likes
      5. Jeremi M Gosney‏ @jmgosney 8 Oct 2015
        Replying to @bkhowson

        @bkhowson @marshray @kennwhite @BRIAN_____ You just linked me to my own Gist ;)

        1 reply 0 retweets 1 like
      6. Brian Howson‏ @bkhowson 8 Oct 2015
        Replying to @jmgosney

        @jmgosney @marshray @kennwhite @BRIAN_____ Doh.

        3 replies 0 retweets 1 like
      7. Kenn White‏Verified account @kennwhite 8 Oct 2015
        Replying to @bkhowson

        @bkhowson @jmgosney @marshray @BRIAN_____ rofl

        0 replies 0 retweets 0 likes
      8. End of conversation
      1. Joachim Schipper‏ @JoachimSchipper 8 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ @ivanristic Or fix science funding - economic impact is big enough to justify investment.

        0 replies 0 retweets 1 like
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      1. Jet Dillo‏ @jetdillo 9 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ @will_sargent that's how the EFF got rid of DES back-in-the-day

        0 replies 0 retweets 0 likes
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      1. kang 🦊‏ @kangsterizer 8 Oct 2015
        Replying to @BRIAN_____

        @BRIAN_____ yeah that would actually be great.

        0 replies 0 retweets 0 likes
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