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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. Watson Ladd‏ @WatsonLadd 25 Mar 2014
      Replying to @kaepora

      @kaepora @sleevi_ And they didn't get that right: PKCS 1.5 encryption is broken.

      1 reply 0 retweets 0 likes
    2. Tony Arcieri‏ @bascule 25 Mar 2014
      Replying to @WatsonLadd

      @WatsonLadd @kaepora @sleevi_ last I looked WebCrypto only non-normatively included RSASSA PkCS#1v1.5 *signatures* which are fine

      2 replies 0 retweets 0 likes
    3. Ryan Sleevi‏ @sleevi_ 25 Mar 2014
      Replying to @bascule

      @bascule @WatsonLadd @kaepora RSAES-PKCS1-v1_5. Along with RSA-OAEP, but no RSA-KEM

      2 replies 0 retweets 0 likes
    4. Watson Ladd‏ @WatsonLadd 25 Mar 2014
      Replying to @sleevi_

      @sleevi_ @bascule @kaepora Yeah, that's the broken one. http://link.springer.com/chapter/10.1007%2FBFb0055716?LI=true#page-1 …

      2 replies 0 retweets 0 likes
    5. Tony Arcieri‏ @bascule 25 Mar 2014
      Replying to @WatsonLadd

      @WatsonLadd @sleevi_ @kaepora I am aware of the attacks. It wasn’t in older drafts of the WebCrypto API though

      1 reply 0 retweets 0 likes
    6. Ryan Sleevi‏ @sleevi_ 25 Mar 2014
      Replying to @bascule

      @bascule @WatsonLadd @kaepora Um, it's been in since 2012 - http://www.w3.org/TR/2012/WD-WebCryptoAPI-20120913/ …

      2 replies 0 retweets 0 likes
      Tony Arcieri‏ @bascule 25 Mar 2014
      Replying to @sleevi_

      @sleevi_ @WatsonLadd @kaepora anyway, it’s still all non-normative right?

      12:48 PM - 25 Mar 2014
      2 replies 0 retweets 0 likes
        1. New conversation
        2. Ryan Sleevi‏ @sleevi_ 25 Mar 2014
          Replying to @bascule

          @bascule @WatsonLadd @kaepora All algs are non-normative. That said, it's very likely to be implemented, for purpose of legacy/interop

          1 reply 0 retweets 0 likes
        3. Tony Arcieri‏ @bascule 25 Mar 2014
          Replying to @sleevi_

          @sleevi_ @WatsonLadd @kaepora it would be nice if browser vendors had enough taste to avoid the ones with known attacks

          2 replies 0 retweets 1 like
        4. Ryan Sleevi‏ @sleevi_ 25 Mar 2014
          Replying to @bascule

          @bascule @WatsonLadd @kaepora So no RSA-OAEP either then, right? ;)

          1 reply 0 retweets 0 likes
        5. Tony Arcieri‏ @bascule 25 Mar 2014
          Replying to @sleevi_

          @sleevi_ @WatsonLadd @kaepora perhaps we should get rid of AES-192+ due to related key attacks ;)

          1 reply 0 retweets 0 likes
        6. Ryan Sleevi‏ @sleevi_ 25 Mar 2014
          Replying to @bascule

          @bascule @WatsonLadd @kaepora (Referring to the I2OS issues generally described in https://www.cdc.informatik.tu-darmstadt.de/reports/reports/mangers_attack_revisited.pdf … )

          0 replies 0 retweets 0 likes
        7. End of conversation
        1. New conversation
        2. Watson Ladd‏ @WatsonLadd 25 Mar 2014
          Replying to @bascule

          @bascule @sleevi_ @kaepora Sadly interop recommended. http://www.w3.org/TR/WebCryptoAPI/#recommended-algorithms … I don't read that as non-normative, regardless of disclaimer.

          1 reply 0 retweets 0 likes
        3. Ryan Sleevi‏ @sleevi_ 25 Mar 2014
          Replying to @WatsonLadd

          @WatsonLadd @bascule @kaepora Um, read that again. RSAES is not in that list. RSASSA is. Different story.

          1 reply 0 retweets 0 likes
        4. Watson Ladd‏ @WatsonLadd 25 Mar 2014
          Replying to @sleevi_

          @sleevi_ @bascule @kaepora Yes, you are correct. RSAES is merely in the list of registered algorithms. Now will it be implemented? Or not?

          0 replies 0 retweets 0 likes
        5. End of conversation

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