[OpenSIPS-Users] Stir Shaken: Failed to load certificate

[Wadii ELMAJDI | Evenmedia]

Hello Mickael

if the goal is only to keep your key out of opensips plain sight, the simplest way is using exec.so module, load the private key from a local file or an external data source with an external command, and then store it securely in the local cache for future calls stirshaken signing.
you could also use the rest_client.so module and get your key/certificate from a secure external webservice (my personal fav)
another option is avpops module to get your private key from a sql database on demand (or sqlcacher to full cache your table on script startup)
in case you're considering using the avpops module with its default table, the value column can by default only hold 128 characters. for an RSA private key in PEM format, it can go up to 800 chars.
hope this helps

De : Users <users-bounces at lists.opensips.org> De la part de Mickael Hubert
Envoyé : lundi 29 mai 2023 14:55
À : OpenSIPS users mailling list <users at lists.opensips.org>
Objet : Re: [OpenSIPS-Users] Stir Shaken: Failed to load certificate

Hi,
Can you tell me what is the best way to load our private key please ?
It would be great not to have it as clear text in opensips's configuration.

thanks in advance

Le lun. 21 nov. 2022 à 13:39, ryan embgrets <rembgrets at gmail.com<mailto:rembgrets at gmail.com>> a écrit :
That was it.

Working flawlessly.Thanks Vlad Patrascu

Ryan

On Mon, 21 Nov 2022 at 17:24, Vlad Patrascu <vladp at opensips.org<mailto:vladp at opensips.org>> wrote:
Hi Ryan,

You have to provide to the stir_shaken_auth() function the actual
content of the certificate file and not just the path. The same goes for
the private key.

Regards,

--
Vlad Patrascu
OpenSIPS Core Developer
http://www.opensips-solutions.com

On 21.11.2022 14:02, ryan embgrets wrote:
> Greetings
>
> I am trying to generate an Identity header by using the stir_shaken
> module of the opensips.
>
> But I am encountering the below error each time upon call.
>
> Nov 21 11:15:20 local /usr/sbin/opensips[5051]:
> ERROR:stir_shaken:w_stir_verify: Failed to load certificate
> Nov 21 11:15:20 local /usr/sbin/opensips[5051]:
> ERROR:stir_shaken:load_cert: Failed to parse certificate
>
> #Module section.
> loadmodule "stir_shaken.so"
>
> route{
>
>       $var(cert) = "/etc/opensips/certs.pem";
>        $var(privKey) = "/etc/opensips/key.pem";
>       stir_shaken_auth("A", "",$var(cert), $var(privKey),
> "https://domain.org/cert.pem");
> }
>
> Though the cert looks valid, has proper permission for the opensips to
> access them and cross checked with openssl for the verification.
>
> Any pointer on what might be causing this?
>
> Ryan
>
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> Users at lists.opensips.org<mailto:Users at lists.opensips.org>
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