how to retrieve SSL certificate informations?

[Leonard B]

Hi Benoit,

This may be helpful for pulling basic cert info

https://gist.github.com/leonardb/a4dc25651ba3682966bafe5c7d1f575c

Leonard

On Mon, Mar 9, 2020 at 8:16 AM Wolf, Dave <dave.wolf@REDACTED> wrote:
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> Hi Marc,
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> This is a very timely topic in a current project I’m working on at the moment.  We need to determine the expiration date of a certificate as well as generate a self-signed one, which I see this module does as well.  Could you please isolate it in a separate library so we can include it in our list of OSS components?
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> Thanks!
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> Dave
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> From: erlang-questions <erlang-questions-bounces@REDACTED> On Behalf Of Marc Worrell
> Sent: Monday, March 9, 2020 3:58 AM
> To: Benoit Chesneau <bchesneau@REDACTED>
> Cc: Erlang Questions <erlang-questions@REDACTED>
> Subject: Re: how to retrieve SSL certificate informations?
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> Hi Benoît,
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> If the below is what you are looking for, then I can also isolate it in a separate library app for inclusion in your projects.
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> - Marc
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> On 9 Mar 2020, at 07:25, Marc Worrell <marcw@REDACTED> wrote:
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> Hi Benoit,
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> Maybe this helps:
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> https://github.com/zotonic/zotonic/blob/master/apps/zotonic_core/src/support/z_ssl_certs.erl#L313
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> Cheers, Marc
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> Sent from my iPhone
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> On 9 Mar 2020, at 00:34, Benoit Chesneau <bchesneau@REDACTED> wrote:
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> How can I get informations about an SSL certificate ? Specifically I am looking for a way to retrieve the issuer, subject, and the  serial number of the certificate.
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> The record I get from decoding using public_key functions is hard to parse so any help is welcome. Maybe there is already an api/app somewhere for it?
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> Benoît
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