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-icescrum_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 16:20:29 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 036f6150555117afb78af48082ef0ccbe58c0a43 * md5sum 6f0f69a0ec7aed9491e1ac72c6ee9945 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) iQEcBAABAgAGBQJSXWs+AAoJEIXCXpWhbrlNNl4IAMr9j72mn0EOFaWdQ7gfNEnL 9kKiEFXrWQUSaExaF/eQnuPIJQjd6xX/R3NVXkACIIAZanwCIVw+/+nH86ZfhPMR Sdcpr8ihXKZ289htUPM3UDMg40Viyf4YZJZmoB5lbGqnbbq45KmOPXWosg8dUWQO Zkrq/OnXTYkwpJyQXQP4aCJKJuqy19CcoiVW+P1y4C0CP+FK2/sxkfQNGC2FgCEE 4n5hGM9R/PZRLi4hy3yexs2KNI9tTiyRHQOcUCIy+nkjC7ad6VHlN9Cuy8dyPLZ6 RKmX0DaZ0iVmbvC6FGQ++LpRmB3URErYLTlz8DNv2/pRaA5By+6iREt/aswJyT4= =rKAV -----END PGP SIGNATURE-----