Generate secret keyΒΆ

# generate private & public key
gpg --gen-key # in password section do not enter password

gpg --list-keys
# output
pub   rsa3072 2021-06-20 [SC] [expires: 2023-06-20]
      <test_token_generated>
uid           [ultimate] Test <test@gmail.com>
sub   rsa3072 2021-06-20 [E] [expires: 2023-06-20]

gpg -a --export <test_token_generated> > public.key
gpg -a --export-secret-keys <test_token_generated> > private.key