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Subject: <secDNS:rem/> definition
From: Ulrich Wisser <[email protected]>
To: EPP Provreg <[email protected]>
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Date: Tue, 30 Dec 2008 00:31:01 +0100
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Hello,

my name is Ulrich and I am working for .SE (the Swedish registry). Among
other other things I am responsible for the .SE EPP server.

During the implementation of our EPP server (and client) I found the
<secDNS:rem/> definition to be incomplete. I have no idea if this has
already been discussed on the list? I haven't been able to find it in
the archives. Please feel free to point me to any old discussion if
applicable.

For <secDNS:rem/> only keyTag can be specified. But DNSSec explicitly
defines the keyTag to be *not* unique for a zone. Only algorithm an
dkeyTag together are unique. Besides that it is possible to specify
several DS records for the same key but with diffrent digestTypes.=20

Currently due to the low depolyment of DNSSec and due to the fact that
only one algorithm is required in DNSSec this is not really a problem,
but it could become one in the future.

Here at .SE we currently publish two DS records for every key, one with
digest type SHA-1 and one with digest type SHA-256. (Try dnssec.se)

My proposal would be to add two optional tags to the <secDNS:rem/> tag

     <secDNS:alg/>
     <secDNS:digestType/>

Which would be fully backward compatible, but still allow to be more
precis if needed.

Kind regards

Ulrich
=20

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