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-mambo-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 08:50:46 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3e7be9513bbc3d59c287f9bb6570d807adcfe660 * md5sum 3bb021ad5f0721d261f95793287e43f6 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) iQEcBAABAgAGBQJSXlNcAAoJEIXCXpWhbrlNZ94H/jHVvp3ntyIfEsHWO0FSJDj1 woY9nBAkWzS6X4wi5NJg/wqFqqfpSDQd+7dJb/agwo4vzpCLprrpa58aMzcx1x1B bc4+r/82sTdX2HLhMIhns//J2SmoqF1c/+L5C31TLq1f1I1wHJr+p4MOpu40KXX5 PslARQ2nfb7G/T3usLxzZfcHdq7DzYRRaiUPQl4R7QCA0zIaWH9i5QIc6Z6U+w7Z l1XUVpAT23j+qVjrBWwbf0Ai5OU7SnPjzkWD4faHo91+/vQkbnW+lfUTbQbxYMQJ xiZ+IMb/rDr+PShBCKikcNKNK4c1943EoaACJU7UhDwXVewf+m5HpGOwfkbqnQg= =jHZZ -----END PGP SIGNATURE-----