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-sugarcrm_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:46:28 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 95ba49fcec025b751cfa46e8394217a87b202617 * md5sum 2bbdb7a8957034aa55b4700d3d5d7075 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) iQEcBAABAgAGBQJQM587AAoJEIXCXpWhbrlNV9sH/jUujDKIW39qFzxFmtbaDyRT 1P6yCxjZ21hOaO5NYpxd7bxWz4fHp+6yOnSXnAGv/+BxKQb6gGL1o8yOFVXnCN9c Q89fAmgyBkvNs8Fqaeq4NGFS0lAgHnn4ElptlaTv1jrlpfhXeEVCzvjkGrVi6dVO yLj2CN5j/OmWIhgvsoiPUCN/T24XBIUVb1xAnhxDG46+2zwFLbDkK58W2NQG8wjw f2y99sXEN4qEkgOm5B0djl4Ukqz7RTiM5kWPi1DZockUXP/zv60dzKixALE1wKri zenmMIpxsMO9aJwF7XdrSjKEjIoSi3vX9j/E7O1+/Ye/hNj6u6XiavGA8I9mNpQ= =hY6U -----END PGP SIGNATURE-----