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-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 14:51:07 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d25944661c66d048fa41abaf32f345111936e359 * md5sum 9e42bcb89a26dafe75762ff7cabc66fb 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) iQEcBAABAgAGBQJSXVZSAAoJEIXCXpWhbrlNlZ0H/j80EeauC0LhxIOmyWvDnvUf u+iRdJhEOs+ysLe4ad4hjW5MUM9r4RvteUmtdDyMcAgEwvWl6iAGQ1HO10HKdllc sH++xW3v6PoKSa0Pei3z/y0B97KRCJYv/r6KkgOGeUMmQ/T2TcJ5X2evPVqYsw5v NbOCihcXXHkBfckk2Bz/CqaFfTPb8SFejYG5zYwf2nLFQ8RhNmhTtAHl6STfNEmI FSZri9pGMN8h8FUPBukRCbsdboEG5qSUIPujpuCOgBZccng6EDa04Xf4kZ21vHxu pZKK1B0FyerbJolk+KcsXhpenUV8P2lS8QoulfeEPFJn4+rdqHI9eXuoewNq+HE= =HMuY -----END PGP SIGNATURE-----