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-limesurvey-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 14:06:17 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 63c77911718bea29c0d1ccd4dade24ae183f65f3 * md5sum 107341b010de148d33c8c87e0842e25d 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) iQEcBAABAgAGBQJRrfROAAoJEIXCXpWhbrlNPKMIAIx6WLJnFIq8YDZKgblv5Kj6 ZP0/G+mScOb1Yrg/hxuY5QXecM3mPJ5JI7+8sPNKQHPsEZkT9RG7BynrKJp+VqqW ZR1CA1N386loO1tAj5uHt3Rjh77L1iv3dm7BHQ7SEqhflbJ0oWW+IjjZxLlyUF4t WFH8LCTjTO49cDPS8+LUOaZPO0TejPsOBbh4p1AhtvNVzP4O68jGe2sfu9EvD16V zpaFxUwlcaBCtmGKM7kEbl8iEixKVf7ADMxVhDaQ7b1UbDptvEWTTQfqQzZfHB7I rXbFf4WwHWAu72S8YuLMhYKj/Hn2hGCkt+ZWsCssx+dKGFqdpptXOes/6pMg3Uc= =RSGW -----END PGP SIGNATURE-----