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-symfony_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 00:32:20 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ad411d63cc17a87fe87562b973fd916269e03478 * md5sum 79cc3989329eec8acf2f66c34c3f7d17 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) iQEcBAABAgAGBQJRrocJAAoJEIXCXpWhbrlNxdAIAJ8GgNOkE9Oi33V2rSXcaQcR JdjOuyODW7NjGFhKyXRst36xznXgOCqxsnN9A/2VWTP+14ASZfb+NaezyX+zTvA7 HfJqxKL3e4xVl2hDXJtf3DZvJzD68F3x7WK4HPYcjFI0c1i8ti4kKqAE866aiQzi 3fRrr7AdPjccfqlmkeuo50TjGr++TY+haLuTdUX+tD9wtVmBhSt+reDlIgY/LXsg OC/unDMd/72OnxSKCYe4G1V9VmEzJ5A46vySKVYbHq1G3EhKzSX35RAQOojsrCo2 ZSl3f7BpYrUGInAVWrRYhl9MJhWCpp51D5uEskDxA9upABOmP/CQYML1d1j562g= =32FS -----END PGP SIGNATURE-----