On 20:59 Wed 05 Aug 2020, David Niklas wrote:
>Hello,
>I downloaded the kernel sources from kernel.org using curl, then
>opera, and finally lynx (to rule out an html parsing bug). I did the same
>with the sign and I keep getting:
>
>%  gpg2 --verify linux-5.8.tar.sign linux-5.8.tar.xz
>gpg: Signature made Mon Aug  3 00:19:13 2020 EDT
>gpg:                using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
>gpg: BAD signature from "Greg Kroah-Hartman
><gregkh@linuxfoundation.org>" [unknown]
>
>I did refresh all the keys just in case.
>I believe this is important so I'm addressing this to the signer and only
>CC'ing the list.
>
>If I'm made some simple mistake, feel free to send SIG666 to my terminal.
>I did re-read the man page just in case.
>
>Thanks,
>David

You should be using this script to download and verify kernel from
kernel.org ...it there for a reason , please use it...which take away
all the manual labor ..

Here is pointer to get the script :

https://git.kernel.org/pub/scm/linux/kernel/git/mricon/korg-helpers.git/tree/get-verified-tarball

Thanks,
Bhaskar