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-6-turnkey-processmaker_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:33:55 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 3fef3dfc5e2eee9766dac6127f45e2e9635ef59f * md5sum 371d12b446c3187c834f59b5e4064de1 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) iQEcBAABAgAGBQJQM5xLAAoJEIXCXpWhbrlNxy4H/0BG9Y9g4DEnloeltOZVxfgI T6OBhGNQz+ZNxjOzHQc+HKicR6qAHCITBO9aTUAhtfvFsiyTrzytTJuRIkqhb+IJ mWyQ/f14CosS1b1v1o3padBbGSSCzHNqMr2iiAvtvjJXG/ZyoEFEIWwqyZ1QktYG aWYpXUjIwc2vq817THEAlTEWgJX48te+n57N0D03GMpbK1xmqlnrVdqrNdsyGu0u i3PK/4Y3stEJKHQn+bC8Wt8fK66OOkXH4/EcFHdTQlL9kbcCMnqoCud4jaSNEOw6 DFQDx3R0ll9Y39NAagwHrbpV+w3huv2GvXgkuArcqjlb4NgIZZfyRNjpiUclySY= =N2Uf -----END PGP SIGNATURE-----