[w3c/webauthn] 58e824: fix 543: improve COSE_Key spec language and add CO...

  Branch: refs/heads/master
  Home:   https://github.com/w3c/webauthn
  Commit: 58e824a5c1b0d12cee42aa4fc25df47d8dcdb39e
      https://github.com/w3c/webauthn/commit/58e824a5c1b0d12cee42aa4fc25df47d8dcdb39e
  Author: =JeffH <mobileuser@kingsmountain.com>
  Date:   2018-01-12 (Fri, 12 Jan 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  fix 543: improve COSE_Key spec language and add COSE_Key examples (#732)

* update COSE_Key format description parag

* create example public keys section

* alg -37 is actually PS256; align PS256 & RS256 text with ES256 text

* fix modulus length, as encoded in COSE_Key, to be 256 bytes rather than 257

* incorp agl's comments, thx!

* adj example whitespace, thx agl!

* further whitespace twiddling...