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-tracks_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 01:02:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum fd2f9c4d820f4449f5efca5cff9fde6fb19b4b0e * md5sum 270f1c8bd554ec20234e0adb383301ad 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) iQEcBAABAgAGBQJRro4JAAoJEIXCXpWhbrlN8pgIAMrMPtGOeGd5sstMXtqkYWlq TP6W7D8Xuj3xxE7L97FIWNz8y2l6hJUzt5EiQPxbg0qdqUIkNhwkA18c9RmA1EWT XlSKxVv3okTmnvPRN+q8kvvZYtgudIoHCgTM7ski6sCUpEXxhIDG1DMLfonmBuOW zujJlnamzRqkYjpvpD77E1nO/6h10+xGbzrs+QjpKRxA4TmWWGCIjcHKLeMy4Sno jq3kk7dcB1namlpwBiZH6E8Yze3DFvPmVtVCtu1Dk+ALEhZJ2TTji9MVMpVZUh/X YVdQixO0yN4P/XkswE4iVMQ/oLt1LXVnscMPoeAf7AWxTNHmvsQoQ67kSon05B4= =SlpC -----END PGP SIGNATURE-----