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-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 16:29:48 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4e01096e15c77def2e2e46d37915a3172d4d48bb * md5sum 07cd81858adc3222ff2eedb01ce30d62 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) iQEcBAABAgAGBQJSXW1xAAoJEIXCXpWhbrlNxskH+gOWquGZ2taC1VvTdylDgAuF 1nOFEma6PB4RgzEE9XhGguXRVqXgWjRNPUMOmzOVXaGK1ymUhaY9FlUCAkz+DnG0 KcV7qMrCqLT5RmxWJf5joiARf8qRldfD3iRB3HaFEU2YByn2uwog14PuQS3UIknI PrG6obB6uQ7jmjxbds54FA10l9sOdyv1K9sgqiQEvutkIuMqujU2RRR23a4N+NK7 TYEgDcmtkulWmaflFD4LwkGGV8AfPcHt9PjzCGKgCDC6/feBO3UZjgMhdtoKQzUD w67UaAy+7dwh5mUdCbr2h+aBBqpjHGE00NfEGYY+dEiKNLVwchYeqRNusyu/lSo= =5Jsz -----END PGP SIGNATURE-----