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-deki-12.1-squeeze-amd64.iso.sig gpg: Signature made Wed May 1 12:28:41 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8d11d583a31997986c1111218df3840abfeda326 * md5sum 6a74bd7734a8a8e2d9cc5888fa9aad6b 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) iQEcBAABAgAGBQJRgQprAAoJEIXCXpWhbrlNtDoH/R7jvWdLf/kahRFbMv8PL5HV UOUK7eVLD339TzfSwVSoemEji8EPD6qQEOKjWo9vld8QQ8YibPMsqR2BQyoDMjdw jV+EdETVc55hZCrOk1k540lKKumVBaAon/hCD5GJPZYKkKGhNhwMtc0+8Bu7hXLO JcIrxYIPzkOK/x5yt8MpJzKR1XL1r0jLgzeInxJe0c6r4RF30j/4CVupCyPMyWfS fbrt3PuBvFcfDNf5RYNCpN6fsRKSsHkxd8DC66TRLs5gVwpwqONr8JFS7MTjuj7c JLJO+HPWGCCmpijOfXTp6SBFSmcDm4G1x0mF5YZX0DSx08KaMfwNVay9zYldanI= =rbXY -----END PGP SIGNATURE-----