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-asp-net-apache-12.0-squeeze-x86-vmdk.zip.sig gpg: Signature made Tue Aug 21 11:27:29 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum e3016b2dab0eff137e3a0a7d1e8af930b14b54fa * md5sum 3ca14eb049066eafd6cfe2292d024129 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) iQEcBAABAgAGBQJQM3CVAAoJEIXCXpWhbrlNyFUIAIzk2bRy7YtO2Jjf5D4fCdqQ J9RZFfmDmKtkHc7oNT9XOWm6RHWeMgKIpUxCmWAqrEoI+bNVMKQWHDJBx/M0w/sH 3WL3C9DVRBBDS7iyeWxPV8XYTOB0UxRm4GkRYi2mt9hVn2fbvY1TomE3Pc5hWf2l h/8vqZxVCHZfv2Qgz9ak954Zmd8syF04pt9LxsGqY376CTlAGGeAnuK5sD2ZdSxx uVhMLFL+U+4iv4EJh4QeO/nDwij+CiF/syozJHVMuj8thtqK51Y9IXcNUfc20Av8 fPmJ4PGv2XzCo2FAGc1k/u8mP+91UEh4e0aJzFjM8ZWQIkR77SCMVZ0uN1yuwRQ= =2l1Q -----END PGP SIGNATURE-----