[w3c/webauthn] 6e4480: Add an “internal” AuthenticatorTransport.

  Branch: refs/heads/master
  Home:   https://github.com/w3c/webauthn
  Commit: 6e4480e49b3de9ebb435bdcc30b8b22a4083f784
      https://github.com/w3c/webauthn/commit/6e4480e49b3de9ebb435bdcc30b8b22a4083f784
  Author: Adam Langley <agl@imperialviolet.org>
  Date:   2018-05-10 (Thu, 10 May 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Add an “internal” AuthenticatorTransport.

The motivating example is a built-in fingerprint reader. It might be
connected via an I²C bus or the like, but the current
AuthenticatorTransport enumeration cannot express anything like that.

This change adds a catch-all for these internal transports because, from
the point of view of the client, they're all the same: there's nothing
for the user to do if they're not there so no point prompting them.

It also clarifies that the “usb” type means a removable USB device. Some
built-in hardware (esp in laptops) is connected via an internal USB bus,
but a user would not know that and would not want to be prompted like it
was a removable device in that case.


  Commit: 3c5e383f0f5642e9d5815d97480e7d1b198356fe
      https://github.com/w3c/webauthn/commit/3c5e383f0f5642e9d5815d97480e7d1b198356fe
  Author: Adam Langley <agl@imperialviolet.org>
  Date:   2018-05-16 (Wed, 16 May 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Merge pull request #903 from agl/internal-transport

Add an “internal” AuthenticatorTransport.


Compare: https://github.com/w3c/webauthn/compare/1c3dd46e4952...3c5e383f0f56
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