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My certificate imported, but Certificate Manager can't locate it. Why?

  • 9 ŋuɖoɖowo
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  • Nuɖoɖo mlɔetɔ Faraway17

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A certificate without * <customdomain.com> has been imported to Thunderbird via Preference and it's visible, but when going to Security -> Digital Signing -> Select (Certificate) it states "Certificate Manager can't locate a valid certificate that can be used to digitally sign your messages". Why?

A certificate without * <customdomain.com> has been imported to Thunderbird via Preference and it's visible, but when going to Security -> Digital Signing -> Select (Certificate) it states "Certificate Manager can't locate a valid certificate that can be used to digitally sign your messages". Why?

All Replies (9)

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My certificate imported

Where did you import it to? If this is a personal certificate it should go into the 'Your Certificates' tab.

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of course. Thunderbird doesn't seem to locate it even if it's been imported to "Your Certificates" and it has the same name and email(both in crt and account).

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Did you import the cert and the private key?

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christ1 said

Did you import the cert and the private key?

Do you mean combining public and private key into a single crt file?

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Something like that.

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Yes I did, in fact it automatically merges both public and private keys to some_file.pk12 file when using "openssl pkcs12" utility. I checked the content of pk12 file and it has both keys

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I think the problem was being caused by the way how FQDN name was assigned to my certificate. Although I applied for <customdomain.com> certificate (without www or other subdomains), the certificate issuer released the certificate(by default) under <www.customdomain.com>(which is a subdomain). So in order for Thunderbird Certificate manager to locate a valid certificate the email should have been something similar to <[email protected]>.

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Are you saying it is working now?

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I will try it once I get my certificate reissued.

p.s: Sorry for delay. I was in a travel :)