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-ejabberd-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 13:21:55 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f8c79248c6fbcc1be03099d8e442207ccb200b06 * md5sum df70872cd41bc5da2d95476a057d062b 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) iQEcBAABAgAGBQJRrensAAoJEIXCXpWhbrlN70sH/3VOzDupBTiWLhFGsBAdyxKQ nf4GSPh8MBRTk4+Ih+FTLhtfucCY9UL95B4dzY55cMnxhIFtRyvahTyoNsl8xGAU ULAekW/u1QJuU5b9yKocoLfOuozd2b0Z4fwIkIBfk9GRc6acFC6KCD92b/NcRfYy Ay7Czrf0aetPC2CEwk55U63M7tkoP98sohwkdxg0Ku/sI/Qc2mRREm6PR4J6yrjt Dd+gWKWiWn6E+o5k40YvAbLRqvRRYONiCagtZIdiARlQjmLXQ3kxK2nK2KGZ/xrw sVkSugEhP4fQZ5LCTiAxjrbXB2k0/EFtNErcikegE+pGGoNJ4dHsR57vU6Ul0G4= =14JS -----END PGP SIGNATURE-----