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-dokuwiki-13.0rc3-wheezy-amd64.iso.sig gpg: Signature made Fri Sep 13 07:49:41 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum fdf90dfea2edfb1e821001e20155cfc81d8cc094 * md5sum c03828ee6650172ab14ef12f055f5942 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) iQEcBAABAgAGBQJSMsOPAAoJEIXCXpWhbrlNqYQH/1hvSiI7XIQFhnscYTDBIR9o krLCRRVT8fXeES7HsxqIemwBjDMRNGE2h5PC3KFmMnuHZvnE37ubQLO9ZksoabkV NUIbY3S0sKvCrS/sVCZ1bfA+/DOIxBFpG1EyR5MAJUII+ydET8fsMMoM3x0Imvch FxQTYsYZaRBv+I6QfkO8KoJ5V94u+xjv8GcbKLOWZO2sWT8lu2hcfaEDAIPjbE6Z P1hz4m16o7EowtN18ffYFiR5cCwLB4YJDV09WzB1TwS55nxFi7Ey306uK/f1D/gR MyA1VEHwhKV5im73N4zVFy3J7RboFyY6UdCUY+jbBPV0p029p4YJb3kmepJaTiQ= =qsQy -----END PGP SIGNATURE-----