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__agwa's profile
Andrew Ayer
Andrew Ayer
Andrew Ayer
@__agwa

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Andrew Ayer

@__agwa

Founder of @SSLMate, author of Cert Spotter. I do #webpki and #CertificateTransparency stuff.

San Francisco Bay Area
agwa.name
Joined November 2011

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    Andrew Ayer‏ @__agwa Apr 27

    Andrew Ayer Retweeted Scott Helme

    What's a CA to do if Microsoft demands a cert be revoked? Revoke: violate Mozilla policy Don't revoke: violate Microsoft policyhttps://twitter.com/Scott_Helme/status/989826773876727815 …

    Andrew Ayer added,

    Scott HelmeVerified account @Scott_Helme
    It's great to see CA Programme Manager @wthayer raising this issue in @mozilla's PKI Policy: "Forbid Arbitrary Revocations" https://github.com/mozilla/pkipolicy/issues/129 …
    Show this thread
    10:28 AM - 27 Apr 2018
    • 1 Retweet
    • 16 Likes
    • Eric Lawrence 🎻 Ryan Hurst Sergio de los Santos Perry Lorier Eric Mill Clint Wilson Matthew Hardeman BenBE 🌹 robert 🌹
    2 replies 1 retweet 16 likes
      1. New conversation
      2. Ryan Sleevi‏ @sleevi_ Apr 27
        Replying to @__agwa

        Spend time on writing an OCSP/CRL revocation reason so that Mozilla (and the ecosystem) can ignore? Convince Microsoft to not be dumb (especially since their clause ONLY applies to DV 😒)

        1 reply 0 retweets 3 likes
      3. Andrew Ayer‏ @__agwa Apr 27
        Replying to @sleevi_

        Microsoft will need to be less dumb. Revocation reason is shortsighted because the logical next step for their dumbness is forcing CAs to check SmartScreen prior to issuance.

        1 reply 0 retweets 0 likes
      4. Ryan Sleevi‏ @sleevi_ Apr 27
        Replying to @__agwa

        I don’t think that’s on the same order of badness tho. For example, LE checks GSB prior to issuance.

        1 reply 0 retweets 0 likes
      5. Andrew Ayer‏ @__agwa Apr 27
        Replying to @sleevi_

        Why isn't that as bad? Either way Microsoft is able to control who can have a working cert. Also, would LE check GSB if not for the High Risk requirement in BRs?

        1 reply 0 retweets 0 likes
      6. Ryan Sleevi‏ @sleevi_ Apr 27
        Replying to @__agwa

        Because the ability to knock off arbitrary sites is an order of magnitude different than simply not doing business with a site. Same way registries can block registrations

        1 reply 0 retweets 1 like
      7. Andrew Ayer‏ @__agwa Apr 27
        Replying to @sleevi_

        A denied renewal can knock a site off-line. It's just matter of how much notice the site gets.

        1 reply 0 retweets 1 like
      8. Ryan Sleevi‏ @sleevi_ Apr 27
        Replying to @__agwa

        Well, presumably someone is renewing well before expiration 🤷‍♂️

        1 reply 0 retweets 0 likes
      9. Andrew Ayer‏ @__agwa Apr 27
        Replying to @sleevi_

        Now we're just haggling over the price 😉

        0 replies 0 retweets 1 like
      10. End of conversation
      1. New conversation
      2. Rich Felker‏ @RichFelker Apr 27
        Replying to @__agwa

        Obviously ignore the request - at worst, users of awful deprecated browsers will be affected.

        1 reply 0 retweets 0 likes
      3. Matthew Hardeman‏ @mdhardeman Apr 27
        Replying to @RichFelker @__agwa

        Not so. Chrome on Windows delegates to Windows trust store.

        1 reply 0 retweets 1 like
      4. Rich Felker‏ @RichFelker Apr 27
        Replying to @mdhardeman @__agwa

        Eew. Why?

        1 reply 0 retweets 0 likes
      5. Matthew Hardeman‏ @mdhardeman Apr 27
        Replying to @RichFelker @__agwa

        Probably mostly for enterprise PKI needs, but I'm guessing also the Federal PKI plays a part. It's not run to standards required by Mozilla program, but is conspicuously included in the Apple and Microsoft programs. @sleevi_ could say, but I think he has me blocked on Twitter.

        2 replies 0 retweets 0 likes
      6. Matthew Hardeman‏ @mdhardeman Apr 27
        Replying to @mdhardeman @RichFelker and

        I have this thing where I grate on some people's nerves.

        0 replies 0 retweets 1 like
      7. End of conversation

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