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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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    Tony Arcieri‏ @bascule 28 Dec 2014

    When endpoint security and cryptographic protocol design are in such sorry shape, who needs to bother cryptanalyzing ciphers?

    2:31 PM - 28 Dec 2014
    • 14 Retweets
    • 8 Likes
    • markus A. T. Jen Seifert Brian Smith Paul McMillan Topher hotelzululima Matthew Erickson Mayeu
    4 replies 14 retweets 8 likes
      1. New conversation
      2. rst‏ @rsthau 28 Dec 2014
        Replying to @bascule

        @bascule @hotelzululima Who needs to cryptanalyze ciphers? People processing bulk intercepts from central collection points.

        1 reply 0 retweets 0 likes
      3. Tony Arcieri‏ @bascule 28 Dec 2014
        Replying to @rsthau

        @rsthau @adamcaudill for cryptanalysis to work on bulk data it would have to be a lot faster than, say, the RC4 attack

        3 replies 0 retweets 0 likes
      4. Tony Arcieri‏ @bascule 28 Dec 2014
        Replying to @bascule

        @rsthau @adamcaudill djb and kp's RC4 attack finds biases in 2^24 - 2^32 ciphertexts of the same plaintext. Seems hard for bulk data

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. New conversation
      2. nobody‏ @imaguid 28 Dec 2014
        Replying to @bascule

        @bascule @thegrugq compromising endpoints doesn't scale as well as compromising crypto does

        1 reply 0 retweets 0 likes
      3. Tony Arcieri‏ @bascule 28 Dec 2014
        Replying to @imaguid

        @imaguid @thegrugq if you have a magical SETEC Astronomy device that can decrypt in realtime sure, but most cryptanalysis isn't like that

        2 replies 0 retweets 0 likes
      4. nobody‏ @imaguid 28 Dec 2014
        Replying to @bascule

        @bascule @thegrugq pwning a box would only get you comms for that box, and only from that point forward, not other boxes and not the past

        1 reply 0 retweets 0 likes
      5. Tony Arcieri‏ @bascule 28 Dec 2014
        Replying to @imaguid

        @imaguid @thegrugq a lot of times cryptanalysis involves an active attack. RC4, for example, requires you to obtain 2^24+ ciphertexts

        1 reply 0 retweets 0 likes
      6. nobody‏ @imaguid 28 Dec 2014
        Replying to @bascule

        @bascule @thegrugq i am aware. i guess i was being too generic before

        0 replies 0 retweets 0 likes
      7. End of conversation
      1. Adam Caudill‏Verified account @adamcaudill 28 Dec 2014
        Replying to @bascule

        @bascule Volume is the main reason I see that would justify the investment. If you want to collect everything, endpoint attacks are too slow

        0 replies 0 retweets 1 like
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      1. New conversation
      2. Daniel P. McGrady‏ @dmix 28 Dec 2014
        Replying to @bascule

        @bascule yup. > receives new SSL cert via email

        1 reply 0 retweets 0 likes
      3. hotelzululima‏ @hotelzululima 28 Dec 2014
        Replying to @dmix

        @dmix @bascule yep just grab those unencrypted file handles and go to town!!

        0 replies 0 retweets 0 likes
      4. End of conversation

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