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-openvpn-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 17:27:36 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 286b485a27c88d344ce83eca0901a8360f774e91 * md5sum 6b255598f4c13d7bd54b5bf190112fa0 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) iQEcBAABAgAGBQJSXXsAAAoJEIXCXpWhbrlN4tcIAOwomTExS3QL9jULZv2L+Rzo orQ4giQveYI1MiKkwzLZ9vjhgb7fZbC/LdmR73XbsWS4JP8fsZyVsS1MtEsbznsG 1QGbWwL3wfQxc8v2gbUa3btV1PXamYwzj985y74H0iAna8G32jzZ+JzBjvXnTWuD mIs5sicNee5oTzylCxA1oI6eNgospSHzc3lwsBxdktxhlY2tvhsGvsPE8y0+337z CGkF6ElvA2Jg3a5nMckzH4J4X2EXKUC+A90wmfSyxYuOJSsXEpk4mw/onpGFizPI f7hAkTRiYB5jmWmQ29VE32cpWzkHhAIts1OzB1H3vSaGcbsUXOUCbR3OhC0OFPU= =iwrh -----END PGP SIGNATURE-----