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I started using letsencrypt when there was an "official" client called letsencrypt. I now want to change to acme-client - that is, the C implementation.

I think I manage to configure my sites, and find the certificates for them, but I get the error

acme-client: https://acme-v01.api.letsencrypt.org/acme/new-authz: bad HTTP: 403
acme-client: transfer buffer: [{ "type": "urn:acme:error:unauthorized",
"detail": "No registration exists matching provided key", "status": 403 }] 
(120 bytes)

I don't think I got the account key right. Where did letsencrypt store that? I find a directory called /etc/letsencrypt/accounts, but below, there are no pem-files, only jsonwith strange content...

So my questions are:

  • Did letsencrypt store the account key in pem-format?

    • If so, where can I find it?

    • If not - is the key stored anywhere in a way that is transformable to pem-format?

1 Answer 1

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Another solution, much easier, is to re-register the account using

acme-client -DAvv <domain>

after having opened port 80 and configured httpd to answer calls with the additional

location "/.well-known/acme-challenge/*" { 
    root "/acme" 
    root strip 2 
}

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