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I'm using pass as my main password manager(which uses gpg2), but since a few days i can't create new keys, I always get the error message:

There is no assurance this key belongs to the named user
[stdin]: encryption failed: Unusable public key

I already set the the trust of my key to ultimate als suggested here

And also checked that my key is not expired. Any suggestions how to fix this or should i get a new key?

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  • I voted to migrate your question to Super User. I think it might be a better fit there.
    – Tobi Nary
    Feb 21, 2018 at 15:22
  • This is better asked on the pass mailing list.
    – mricon
    Feb 21, 2018 at 16:24

3 Answers 3

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From https://stackoverflow.com/questions/33361068/gnupg-there-is-no-assurance-this-key-belongs-to-the-named-user:

do gpg --edit-key <KEY_ID> and gpg>trust

If you're sure about the authenticity of your key, select the trust level 5.

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  • 1
    As i mentioned in my question i already tried this and it didn't resolve my issue. I solved it running pass init again on the directory with my gpg-key May 25, 2018 at 11:13
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I had simillar issue. In my case I generated the GPG key for RSA (sign only).

It can be fixed either by regenerating it for RSA and RSA (default) of by adding a subkey for RSA (encrypt only).

The second option can be done by gpg --edit-key <KEY_ID> and gpg> addkey and select RSA (encrypt only)

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Solved the problem by running:pass init <gpg-id> which reencrypted the existing keys. Afterwards i was able to decrypt my keys again normaly

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