OpenVPN with OpenSSL and tpm2tss engine

Scripts to manage certificates or generate config files
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Gansl
OpenVpn Newbie
Posts: 1
Joined: Mon Jun 22, 2020 11:58 am

OpenVPN with OpenSSL and tpm2tss engine

Post by Gansl » Mon Jun 22, 2020 1:25 pm

Hi,

I'm looking for a solution to use openSSL with a tpm2tss engine in openVPN.

So the first question is: Is a .tss key supported in any way?

Sadly on https://tpm2-software.github.io/software/ it is under requiring.

Is there another way to combine a TPM with openVPN?

Generating a RSA Key on the TPM -> generate an CSR with openSSL -> sign the CSR/get cert -> start openVPN with generated cert and TPM - Key.

Greetings

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TinCanTech
OpenVPN Protagonist
Posts: 7342
Joined: Fri Jun 03, 2016 1:17 pm

Re: OpenVPN with OpenSSL and tpm2tss engine

Post by TinCanTech » Mon Jun 22, 2020 1:30 pm

Gansl wrote:
Mon Jun 22, 2020 1:25 pm
So the first question is: Is a .tss key supported in any way?

Sadly on https://tpm2-software.github.io/software/ it is under requiring.
Looks like openvpn cannot use this key (yet)

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