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-phpnuke-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 23:36:25 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 50dcf89c90c700768483058d885ec3ec14397c89 * md5sum 90856413366bf64a9186853fd0764b7b 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) iQEcBAABAgAGBQJRrnntAAoJEIXCXpWhbrlNbH4H/2tTLEmK85DeyDnmtw4uXKiH IgGJIDVDjepF8JSTIgpkaGr7n+HWdbIYC7oDcqOvfldjmdnZ+QAhx6sAhDrK8ed0 N4pMpnfQ70XmaPDvjtalSwGbOLzrJkcIVtzXqoO40nsUj64n1MhSdaW1lNuUHsDz 6SDnYY0w88ceaeeqgvak4LrjJE+6NyHOJf81uMYi6LZoK9bwSuXrnDtEbrGB1tV5 bHyI6ArR1DINDY92eI2VPuNpDNdHOU0mvNFDFn4jCFOIWGun6VT7rWorOuaIBaQc fDXG3l/qCVRIQnPlFzwqRM4Yx/C7y5riQHNDQ/69Ur3vinDGltgzxkZ1D+ng46E= =pkYz -----END PGP SIGNATURE-----