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-moinmoin-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Tue Jun 4 22:01:44 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f4f20b64b15bb91c61c5406d0728edfa3f5b0261 * md5sum bfd964f12a43a55f423e7e48628bd917 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) iQEcBAABAgAGBQJRrmO9AAoJEIXCXpWhbrlNIHoH/0zIp/UWbdBCH3eLNRFyj55J efmYdugAFGFWhhHK/OjjdOtxKw0OgqGJcu32Ax72mrEMpg/EUpTJtdaUsL3KMX9L T6H8AqTKrFAjl1JFD63FfOQa7BHAP5D+LCkiKWmPTDZ2qVIFxQxc/v9totAgRb0z 3aKjl6IsYa2zSVDCPke8kJQxAcZblPgw70+CNLF6H2RMB6WBXXubvbP64scv66pl sXAs3md/6NS2WAXMoHYJtt9A0U9tcs9jb69T4TyIFf7uh8diaY/f6aa1hwAqARJ8 oDkA009U8ZypsviN7ko2H3QI0m6SrHsjsWaRbFXJ6jOAui4xpwuZ/CYPICHZKts= =gE9R -----END PGP SIGNATURE-----