13:        # secret key $key_id, protected with the passphrase $pass. 
15:        my $key_id = '...';
19:            KeyID      => $key_id,
32:        # Using the public key associated with $key_id, encrypt the contents
36:            Recipients => $key_id,
93:                      Recipients => $key_id,
278:                                 substr($cert->key_id_hex, -8, 8);
399:                    push @return, $cert unless $BAD_KEYS{ $cert->key_id_hex };
576:                        $cert->key_id_hex;