W3C home > Mailing lists > Public > ietf-http-wg@w3.org > October to December 2007

Re: RFC 2617 Authentication-Info BNF

From: Tim Olsen <tim@brooklynpenguin.com>
Date: Tue, 2 Oct 2007 11:36:35 -0400
To: Paul Leach <paulle@windows.microsoft.com>
Cc: "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
Message-ID: <20071002113635.11e21358@neurofunk.limewire.com>

On Mon, 1 Oct 2007 17:24:10 -0700
Paul Leach <paulle@windows.microsoft.com> wrote:

> The "nextnonce" is optional. To see why, ask yourself if
>         Authentication-Info rspauth="ab10f00baa"
> is legal according to the ABNF. Hint -- what does "1#" mean?
>

ok, I understand that technically.  But what is the purpose of having
square brackets around the other directives, but not around nextnonce? 

> 
>         AuthenticationInfo = "Authentication-Info" ":" auth-info
>         auth-info          = 1#(nextnonce | [ message-qop ]
>                                | [ response-auth ] | [ cnonce ]
>                                | [nonce-count] )
> 
> 

Thanks,
Tim
Received on Tuesday, 2 October 2007 15:36:49 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Friday, 27 April 2012 06:50:22 GMT