gpg: There is no indication that the signature belongs to the owner. So you can import the public key to your public keyring with: gpg --import VeraCrypt_PGP_public_key.asc. gameslayer commented on 2020-07-02 10:57. And even when the key is stolen, the owner can invalidate it by revoking it and announcing it. I'm somewhat new to centos since I'm mainly a debian kind of guy, so I was unaware of /var/log/secure. The signature check failed because you don't have the new key (the old signature key expired on Sep 23). ; reset package-check-signature to the default value allow-unsigned; This worked for me. Looking at the log /var/log/secure showed that it was just downright refused. The new key is available from the usual GPG key-servers, comes with Emacs≥26.3, and can also be obtained by installing the package gnu-elpa-keyring-update. As you can see, the two fingerprints are identical, which means the public key is correct. Primary key fingerprint: 4AA4 767B BC9C 4B1D 18AE 28B7 7F2D 434B 9741 E8AC gpg: binary signature, digest algorithm SHA1. "gpg: Can't check signature: No public key" Is this normal? After checking this and doing a bit of searching, it turns out PermitRootLogin no needs to be PermitRootLogin without-password if you want to specifically use just keys for root login. License: Creative Commons Attribution 4.0 International License Linux Uprising. Here I am using Pierre Schmitz’s public key to sign my iso. This is expected and perfectly normal." M-: (setq package-check-signature nil) RET; download the package gnu-elpa-keyring-update and run the function with the same name, e.g. As I understand it, now I need to make sure the public key is valid. Forget to actually check the arch one worked or not. If this happens, when you download his/her public key and try to use it to verify a signature, you’ll be notified that this has been revoked. The person may name the signature-file anything they want: the names of the file and the signature-file do not need to be similar or related. Now verify the signature using the command below. # dpkg-source -x libevent_2.0.12-stable-1.dsc gpgv: Signature made Fri Jun 17 07:12:50 2011 PDT using DSA key ID 7ADF9466 gpgv: Can't check signature: public key not found dpkg-source: warning: failed to verify signature on ./libevent_2.0.12-stable-1.dsc Any idea how to fix this warning? gpg: Can't check signature: public key not found I know I have to import a public key but I don't know where to obtain this file and I've found very little information describing what to do. set package-check-signature to nil, e.g. As stated in the package the following holds: M-x package-install RET gnu-elpa-keyring-update RET. The registered trademark Linux® is used pursuant to a sublicense from the Linux Foundation, the exclusive licensee of Linus Torvalds, owner of the mark on a world­wide basis. 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