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-tkldev-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Sun Jul 14 11:43:26 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum bdab817a8b37558a7605cf1099381882c3eb32d0 * md5sum 339958ad04d61f4e8bde085d277a2f38 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) iQEcBAABAgAGBQJR4o7YAAoJEIXCXpWhbrlNRSAH/31ehcnQDttip92XX4VHBYoY nEpBWEuTtMGHCm5A0aK9kM0BDu44rf0OdPVF030eER0h8OUMPrECb845Sh0RDo5A tI4KuwDYBVXPUxQiX9DelcuhIL4nTtYLUCnXKfdViPuEtzKl+oeCjW7+gFNTB1Mr pkB9o9ovNm6byiAP/d+vGalmp1MqUr0bk/pNKvhxQKO21bktKxTaxq0Q/LLXKw5x 4U3p0qQN1o8VSxozT/hYoE5kLrybY7OWyfv0CUv2H4InOa7qyQARXFkO/MmpDyeJ d0dCQ1Vyb0SufcXn4KZQ0lEto9AazrtzNmBdkPc9VS57JGtkZ32ukSmZs5YYbFI= =rCsd -----END PGP SIGNATURE-----