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 debian-7-turnkey-e107_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 15:45:57 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 60a813eabd8a586f1dbc42739116779ec5a0a357 * md5sum 848cb793d261fd7725ea80a1e642b4f5 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) iQEcBAABAgAGBQJSXWMuAAoJEIXCXpWhbrlN6ukH/2hHrysNmjWSNVoAHD1ASaAD 95XmkY+1cOUanFSCzwHDN7KKrszxR7aKWimk4yc2zaRhIgHYDUS4XbEhV5MkA0JZ 6YTy7wZnI1RRpec8V5ZanrAJsNf4Yb7X37iGPrgAqsrk02KooROK1SWG6fdQG1jY FxRX0yG2veNOUXJPe80EG8oIIf8q+BOcOTn+VyxNDMIdyd4rqFTE6mcTFRA90+zX F9RukOdtstQNHwqOrAiT4U4AMiOd8WHvfG65xnOTdiVilxNl1lSNOtSIOkt/tiv7 XH7qEQ5lqM9RpAdbVhio12xECkifYrIgr5NX2zzjLEdp3odooPL/R7G3mMh+Zn0= =36j9 -----END PGP SIGNATURE-----