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Re: [stir] Proposal for update of erratum #6519

Roman Shpount <roman@telurix.com> Tue, 20 April 2021 14:20 UTC

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From: Roman Shpount <roman@telurix.com>
Date: Tue, 20 Apr 2021 10:20:33 -0400
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To: Russ Housley <housley@vigilsec.com>
Cc: Marc Petit-Huguenin <marc@petit-huguenin.org>, Christer Holmberg <christer.holmberg@ericsson.com>, IETF STIR Mail List <stir@ietf.org>
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Subject: Re: [stir] Proposal for update of erratum #6519
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Hi Russ,

The complete grammar would be:

      Identity = "Identity" HCOLON signed-identity-digest SEMI
          ident-info *( SEMI ident-info-params )
      signed-identity-digest = 1*(base64url-char / ".")
      ident-info = "info" EQUAL ident-info-uri
      ident-info-uri = LAQUOT absoluteURI RAQUOT
      ident-info-params = ident-info-alg / ident-type /
          ident-info-extension
      ident-info-alg = "alg" EQUAL token
      ident-type =  "ppt" EQUAL ( token / ( LDQUOT token RDQUOT ) )
      ident-info-extension = generic-param

base64url-char = ALPHA / DIGIT / "-" / "_"

In this grammar, SEMI is defined as SEMI = SWS ";" SWS. This should take
care of the SWS after the token.
_____________
Roman Shpount


On Tue, Apr 20, 2021 at 9:22 AM Russ Housley <housley@vigilsec.com> wrote:

>
>
> On Apr 19, 2021, at 9:57 PM, Roman Shpount <roman@telurix.com> wrote:
>
> ident-type = "ppt" EQUAL ( token / ( LDQUOT token RDQUOT ) )
>
>
> Since RDQUOT allows whitespace after the double quote, do we need to allow
> whitespace after token when there are no quotes?
>
>     ident-type = "ppt" EQUAL ( ( token SWS ) / ( LDQUOT token RDQUOT ) )
>
> Russ
>

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