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Re: [dane] Payment association records

Mark Andrews <marka@isc.org> Fri, 13 March 2015 01:01 UTC

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To: John Levine <johnl@taugh.com>
From: Mark Andrews <marka@isc.org>
References: <20150312210723.16146.qmail@ary.lan>
In-reply-to: Your message of "12 Mar 2015 21:07:23 -0000." <20150312210723.16146.qmail@ary.lan>
Date: Fri, 13 Mar 2015 12:01:07 +1100
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Subject: Re: [dane] Payment association records
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In message <2015031221>0723.16146.qmail@ary.lan>, "John Levine" writes:
> Concretely, I have a few nits.  All the other strings I can think of
> in DNS records have one-byte lengths, so I'm wondering if you actually
> expect URI strings to be more than 255 bytes.

Given the record format has 16 bits for the length field I think the
answer is yes.

                        1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3
    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   | Payment Network Selector      | Preference                    |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   | URI String Length             | URI String                    /
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+                               /
   /                                                               /
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   | Association Data Type         |    Payment Association Data   /
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+                               /
   /                                                               /
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

Mark
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org

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