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-bugzilla-12.0-squeeze-x86-ovf.zip.sig gpg: Signature made Tue Aug 21 11:27:37 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum d46c497340f1f6304b604755a7c06511023bb59c * md5sum 45e225329dc5c012093eda444f8c9f2e 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) iQEcBAABAgAGBQJQM3CdAAoJEIXCXpWhbrlNBWoH/i4xrC5sNNTn6zwgXDSdhVEA Qx2aa2kqPK21zYU+vm/0rIHsPZ8kUTOMhBRNk21+1iB53CZkWnWeybcufhQtiTn5 Lo+S+mLpS820csPbx+jrHKHb0Pbojd5aUAJpytSSgoloxPn07MTZGcuoFVPkNnIl J8B+aMWvHiJjY9yAik7nLtqKbN1ZeUIPb+AoEWu5pUn7sTX7yb5ybWVXXMacWt1h G5aPMdu1PbDab45woTiYfCpfKWAKXwTD9QeUOS1zKoS7C6KeikLIKJXLuNj5yeqC oZ2txmPcpdLD0xcDY0hRm6QVRcEwjwDia/Gb2Dj14B3F0pHMAmN5mBKa2Uvl9Rg= =lBab -----END PGP SIGNATURE-----