This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-xoops-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Wed Jun 5 01:33:20 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 18ca02c6749fb2f683562188b384837ead44d891 * md5sum 00e4d2c0c1cce7cb73b39905d9f571e3 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrpVTAAoJEIXCXpWhbrlNuZ4H/3j1iYFIb5EVpkEof7s92uth FGXCELagBho4s3L8wE3DppvGmmqnD9WkJyzTGxVpezn+mwT3N1BrPKYo0QHnT455 XpXVs9rNL9FfmFyzAt//28mCmAr2KTCN7gg6NAJtdVQhdVNWtk4YeaNV+9vBREUQ 4zE0pMQtg6tgAnd6l9oow7xN4p2Ity41SSZcJBRNb/5JpEB7NUrQcC43oJesNgDs +b603BOMs/zfRx9VUoXhwXYVQ+pGRBDO0gRuDzfwt2+y2DEIXNhx15wipALfBLJa ERZ4oTlvtOPDKlwsXGj378zGGdYB4QfZHu2e5NS/47JOf/IkG9ZcPqXF4VqAJMY= =r/bD -----END PGP SIGNATURE-----