[Pki-users] Configure externally acquired private key and certificate

Tue Jun 30 16:14:30 UTC 2015

Hi Christina,

Thanks for taking time to respond.
We already have clone setup using steps outlined in http://man.sourcentral.org/f18/8+pkispawn and the setup works perfectly fine with no issues.

My question is related to Setting up Dogtag using private key and certificate generated via openSSL command separately (on a completely different host from Dogtag).
For example, If I delete the complete VM instance where Dogtag is running and reinstall, I could reuse the private key and certificate already generated via openSSL command earlier to setup new Dogtag instance without requiring to generate CSR and get it signed with external CA (Ex: Symantec).

Hope this helps.

Please let me know if you have any questions.
Thanks,
Mahendra

From: Christina Fu <cfu at redhat.com<mailto:cfu at redhat.com>>
Date: Tuesday, June 30, 2015 at 11:56 AM
To: "pki-users at redhat.com<mailto:pki-users at redhat.com>" <pki-users at redhat.com<mailto:pki-users at redhat.com>>
Subject: Re: [Pki-users] Configure externally acquired private key and certificate

On 06/29/2015 07:32 AM, Jain, Mahendra wrote:
Hi Christina,

Here’s some detailed information:

I’m planning to setup intermediate CA with DogTag and issue SSL server certs.

I’m trying 2 options with DogTag setup:

Option 1: Installing an externally signed CA
I followed the steps outlined in http://man.sourcentral.org/f18/8+pkispawn  and this setup works perfectly fine with no issues.
This option involves following steps:

  1.  Generate a certificate signing request (CSR)  for the signing certificate in DogTag setup phase 1
  2.  Submit the CSR to the external CA (Ex: Symantec)
  3.  Obtain the resulting intermediate certificate and certificate chain
  4.  Continue with DogTag setup phase 2

Option 2: Installing an externally signed CA (One time setup of keys/CSR)

The desired steps are as follows:

  1.  Generate a certificate signing request (CSR)  for the signing certificate using OpenSSL
  2.  Submit the CSR to the external CA (Ex: Symantec)
  3.  Obtain the resulting intermediate certificate and certificate chain
  4.  Store private key and certificate obtained in above steps in secured media so that it can be used later
  5.  Setup DogTag using the private key (generated in step #1) and intermediate CA certificate (acquired in step #3)

The desired expectation in option #2 is to perform step 1-3 below once and then setup DogTag (or recreate VM) as many times I need using private key and certificate obtained earlier. This will prevent us from regenerating CSR and get it signed with external CA (Ex: Symantec).

If I read it correctly, you want to set up multiple CA's sharing the same singing cert/keys?  Dogtag supports cloning.  Did you look into that?

Please let me know if you have any questions.

Thanks,
Mahendra

From: <Jain>, "Jain, Mahendra" <majain at verisign.com<mailto:majain at verisign.com>>
Date: Friday, June 26, 2015 at 12:22 PM
To: Christina Fu <cfu at redhat.com<mailto:cfu at redhat.com>>, "pki-users at redhat.com<mailto:pki-users at redhat.com>" <pki-users at redhat.com<mailto:pki-users at redhat.com>>
Subject: Re: [Pki-users] Configure externally acquired private key and certificate

Hi Christina,

Sorry for the confusion. Let me rephrase the steps below if it is supported:

  1.  Generate private key and CSR for intermediate CA using openssl
  2.  Submit the CSR to external CA (Ex: Symantec) for signing
  3.  Receive the signed certificate from CA
  4.  Setup DogTag with the private key (generated in step #1) and intermediate CA certificate (acquired in step #3)

I’m hoping this approach allows me to perform step 1-3 once and then setup DogTag as many times I need using the existing private key and certificate on any host.

Please let me know if you need further clarification.

Thanks,
Mahendra

From: Christina Fu <cfu at redhat.com<mailto:cfu at redhat.com>>
Date: Friday, June 26, 2015 at 12:03 PM
To: "pki-users at redhat.com<mailto:pki-users at redhat.com>" <pki-users at redhat.com<mailto:pki-users at redhat.com>>
Subject: Re: [Pki-users] Configure externally acquired private key and certificate

On 06/25/2015 11:23 AM, Jain, Mahendra wrote:
Hi,

I’ve DogTag 10.1.2 setup with externally signed CA (using the steps outline in the link below) and the setup works perfectly fine:

http://man.sourcentral.org/f18/8+pkispawn

I would like to know if DogTag also supports configuring externally acquired private key and certificate.

In other words, If I generate the private key and CSR using openssl and submit CSR to CA for certificate.
Once the CA issued the certificate, I would like to setup DogTag using the existing private key (created using openssl) and certificate.

Hi, I'm sorry I read your questions a few times and I'm not certain what you wish to do.  What would you like to use this certificate for?  For example, is this an SSL server cert, or CA signing cert? etc.  And you mean in another new Dogtag instance, or are you talking about replacing certain system cert of the CA you just set up?

Thanks,
Mahendra
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