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-elgg_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 15:55:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 13b2c2ab7c8a6101f1dfbefe737dae5bdd95919a * md5sum eebd6073bae7548f416030bfad21da57 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) iQEcBAABAgAGBQJSXWVcAAoJEIXCXpWhbrlN96sIAJy8xtIYckLuDT2Dut4prOYy SzJ/PdX1vG3NO83ibH/Y2dt8hcZN3sOCkT2Rmod7o3XeCS9rm8RPLNpH8XPF255G PrHU1W17ab6bF1bgF8rth9X5G/jNBfApYThDQRJzEtNIif9eOePAuITPDV6pt4a7 yZXzXQqrILJU7IiDbYx4DuZlMtdnaJ1i96avgztACUe3QvD9yOjGcFuEgr7ghhm0 sfnUc/UxHiQ0wVd6ZEGIqf0qZfSVjVjQkAiDh5R7n2C37OFghC54yHFpn1lEOr2v 49VeEV4k1Osa73AzyBQGuDPyBEb72XPboVvI1jnN8V8ppsXHOMLeIxnO+fvBHQg= =Hd9h -----END PGP SIGNATURE-----