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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. Brian Smith‏ @BRIAN_____ Jul 28

      You can use WebAssembly to make a synchronous WebCrypto-like API. Reportedly in some cases (for simple algorithms like digests on small inputs) such an implementation is faster than using the WebCrypto API, presumably b/c of the overhead of WebCrypto's async API.

      3 replies 2 retweets 28 likes
    2. kiniry‏ @kiniry Jul 28
      Replying to @BRIAN_____

      If you don’t care about prolific side-channels... and mountains of extra complexity and attack surface.

      1 reply 0 retweets 3 likes
    3. Brian Smith‏ @BRIAN_____ Jul 28
      Replying to @kiniry

      People are doing it. And people are switching crypto libraries from ones that try hard to avoid side channels to ones that support WebAssembly.

      1 reply 0 retweets 2 likes
      Brian Smith‏ @BRIAN_____ Jul 28
      Replying to @BRIAN_____ @kiniry

      It would be great to have a synchronous WebCrypto API so that cross-platform libraries can use it to implement their synchronous APIs, instead of having to choose between not supporting WebAssembly and supporting it in a dangerous way.

      12:17 PM - 28 Jul 2018
      • 1 Retweet
      • 4 Likes
      • Mayank Varia Florian Bender Deirdre Connolly kiniry
      1 reply 1 retweet 4 likes
        1. New conversation
        2. Jeffrey Yasskin‏ @jyasskin Jul 28
          Replying to @BRIAN_____ @kiniry

          I believe the old WebCrypto editor is working on other things, but a synchronous, worker-only interface sounds totally plausible. Create a WICG repo for it?

          1 reply 0 retweets 1 like
        3. Ryan Sleevi‏ @sleevi_ Jul 28
          Replying to @jyasskin @BRIAN_____ @kiniry

          It was something explored but @slightlylate was highly skeptical of due to things like scheduling and shared workers. Certainly the blink infra doesn’t exist as of last year, when we last (again) explores

          1 reply 0 retweets 1 like
        4. Ryan Sleevi‏ @sleevi_ Jul 28
          Replying to @sleevi_ @jyasskin and

          The design was made so that the promises could be synchronously resolved and async/await would handle any other grossness

          2 replies 0 retweets 2 likes
        5. Brian Smith‏ @BRIAN_____ Jul 29
          Replying to @sleevi_ @jyasskin and

          C programs, Rust programs, etc. don't use async/await. They use sync APIs.

          1 reply 0 retweets 1 like
        6. 2 more replies

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