I followed fedora source file verification and there was nothing about SHA checksum verification. Also it is 2048 bits long so I doubt it is SHA256 checksum file.

https://docs.fedoraproject.org/en-US/packaging-guidelines/#_source_file_verification

On Nov 10, 2019 10:05, Vascom <vascom2@gmail.com> wrote:
May be you need use sha256sum instead gpg?

вс, 10 нояб. 2019 г., 9:17 Baxi <faezebax@riseup.net>:
Hi. I am trying to package a program. The upstream provided sha256sum.asc file. Verifying tarball with that signature says, Can't check signature: No public key. I found his public key in key directory by searching his email and added that key. Now gpg says Bad signature from that person. Also upstream didn't provide gpg keyring in his project. What should I do? 
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