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-drupal6-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 20:36:13 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f95de416a7b6e7d43019788091829f23feced64b * md5sum 9ef8ce3705333594e2f405eea212b09a 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) iQEcBAABAgAGBQJRrk+wAAoJEIXCXpWhbrlN1gAH/0jE6+tycxpDIVAwy0/fBpxu PY33bptLxcZiTEwTD/7Ii01Mrf1fHqS3DToQsqdeg3sidQcs1GJ+526FV7DhxCQN nuo6yv1tHKqkYFH2h/qp+Oxsaq7AoWa4T8PiUEqJsfZ56sLSsNweCLY+lDF80yNP 5OqysXxFnrsGNyLljhR8k9t/wmhi0KrUVRL065gNUcvneSWCeB+BpglQ+ns7yBj/ bO6SBsy+IXOLSuaFJY9ssRIUd7jaOVnHbbKWk5cGTySdMfkH278yCZ+7ZhXgmTT2 GWQk6IdIDxhLyj2IvCVeI12zH8n071yUULFhmYEOLMEPzGrQ8Vl8gmxqE/JN+mw= =PkXl -----END PGP SIGNATURE-----