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-gallery-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:00:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d87910462a0bb939e4a2d4c5ac47ccd5261e76ed * md5sum 4254f9658d412d3ef0534a226a153569 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) iQEcBAABAgAGBQJSc22XAAoJEIXCXpWhbrlNoRMIAJ2xUq6OPo1TvhcjeKX7tJ5G I/hY3w1dhax3axQm02Wffjpvfu5Z3dRPoxiFd3GcCtD+OT0dXN3vkExnrPRiSmjN MPLTwNtdgsecHnGienc9JTcuiMlO2Nxg3l7fBgL0J16MMY5wf9dj2vPHnl593lux IDaAw8f4GCnsKk+o/cWdV6SgwaNf/X9ZAoxavsyS6zU2HhXuVUXgzpM2UYkW1O7A a6TWBIEZWOBJf86D17pu874bUxhpb6fvQGS+7jxfOwaH4sVdAQH0gPhNR6r9cCSl u/vOJYgzboTdAaUTekZnT3ompQMTR54WFzBQBcbWqfYL/EdYcxRkBvlNAQnxHQY= =poMc -----END PGP SIGNATURE-----