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Signing with the KSK and ZSK

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xu dong

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Dec 8, 2009, 2:03:17 AM12/8/09
to bind-...@lists.isc.org
Hi folks, i have a question about signing zone files with the ksk and the zsk, as i know,when signing the zone files i have to use the ksk and zsk both,just as following:

dnssec-signzone -o domain-name -t -k KSK zone-name ZSK
but i want to sign the ZSK with KSK first,and then sign the zone files with zsk,so how can i do?

Thanks.
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---------------------------------------------------------
Xudong
Email:xudo...@gmail.com
Beijing,China
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Chris Buxton

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Dec 8, 2009, 8:43:34 AM12/8/09
to xu dong, bind-...@lists.isc.org
On Dec 8, 2009, at 2:03 AM, xu dong wrote:

> Hi folks, i have a question about signing zone files with the ksk and the zsk, as i know,when signing the zone files i have to use the ksk and zsk both,just as following:
>
> dnssec-signzone -o domain-name -t -k KSK zone-name ZSK
> but i want to sign the ZSK with KSK first,and then sign the zone files with zsk,so how can i do?

Why do you want to sign with one key at a time? The default behavior is to sign just the dnskey RRSet with the KSK, and to sign the whole zone with the ZSK, all in one go.

Chris Buxton
Professional Services
Men & Mice

Mark Andrews

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Dec 8, 2009, 8:51:30 AM12/8/09
to xu dong, bind-...@lists.isc.org

In message <2ac8e9ad0912072303u632...@mail.gmail.com>, xu dong writes:
>
> Hi folks, i have a question about signing zone files with the ksk and the
> zsk, as i know,when signing the zone files i have to use the ksk and zsk
> both,just as following:
>
> *dnssec-signzone -o domain-name -t -k KSK zone-name ZSK*

> but i want to sign the ZSK with KSK first,and then sign the zone files with
> zsk,so how can i do?

Firstly you don't sign keys or files, you sign RRsets or zones.

'-x' will tell the signer to the DNSKEY RRset only using KSK's.

Secondly don't over specify the command line.

'dnssec-signzone -x -o domain-name master-file'

is enough in most cases. dnssec-signzone will look at the DNSKEY
records in the master-file and workout what is needed.

The options are there for when you want dnssec-signzone to do
something non-standard.

Mark

> Thanks.
> --=20
> ---------------------------------------------------------
> Xudong
> Email=A3=BAxud...@gmail.com
> Beijing,China
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org

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