This is the package signature as generated by The GnuPG. This signature identifies the party that created the package. By verifying it you are sure that the package coming from a trustworty person or organization.
Here is the package signature:
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEABECAAYFAlBouOwACgkQqesEzEdeXBE9UwCgh7LYvKFMOPotj3GnrrzGlU2O QAgAn2aYsedwurB9k7yZcVxH0eygap78 =Mri7 -----END PGP SIGNATURE-----
You can save this signature in a text file (e.g. twolame-0.3.13-i486-1gds.txz.asc) in the same directory where the package file (twolame-0.3.13-i486-1gds.txz) resides and you can verify it by issuing the following command:
gpg --verify twolame-0.3.13-i486-1gds.txz.asc
NOTE: You need to import the public key of SlackPack first:
gpg --import KEY