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-lamp-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 08:49:19 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2db1900178e6e5bc75f602baf1500cb3e8ff62b7 * md5sum 3a08ba5c628fc9f48b3def78ce28edda 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXlMFAAoJEIXCXpWhbrlNz24H+QG3U6jenDj57Ku078FJYhu0 pOPzgcicNcyawIvBR7nYHCTYpGAg+zShoTzvorIeFaYaEvs/qIeAkRf5UslMStaW wZSWvIu+6KCqtKYRF3hOyy+TNxi4wq/utaxSMTzeANsGIWqRHBZRmY4m6pqRwieL EAqRLmSsMgEZJPIPAGFg2RHr3Eu5rd1TdOB4w5Muo0Z++flpAOQbA9r1UJnaFx/0 9G0GeSkdUswh96Tlhd6zmdq2YNPLHLb+803LqqRJj+HKEqXjqF518uBYOXYL3uWw r6ydfUlG3duBmG7JomT8LIAlfty5SCCe2lXWkFQ5ebib/Y8nH4z8/r3VOeiCuYM= =3CVI -----END PGP SIGNATURE-----