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-ezpublish-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:05:25 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6b226c5fdbfdd128ffb0943648a481f484febb7f * md5sum e249927f576c3989b3320a7f94673bfd 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) iQEcBAABAgAGBQJSc27LAAoJEIXCXpWhbrlNbHsIAKlLvD7+PpFL9r499FNXaWsG XyhRYdBSLIgWSwBmYJffLZLgK+CbYeD/T6/VmgT9dxUdAHeX0xJJttmeBEn6LHpm ddRFy/n56rJgQryfDEB3tbaFaI7ap/hF6Nk5Qsogllbs26XbL9PtcCvx5L4JM5cT 9MXRxoHFVzpwjQ4jMIBkiktJqgqbY26kDsmnhRRaCZ2ZzTUytVWLpJRiCsR3ZFN9 WAKTyAR/jwdwxWoFSGSG35o3frYVjZRFC0y/uxUsSB2aOCaxm+2UEk2MT0218OaY 1fxkvFT+UcqoULHYGPzpBngYNVz2BEhxkNv3ZzAZeLzuPieykeP1dLZasnTebhE= =GY4T -----END PGP SIGNATURE-----