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-orangehrm-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Tue Jun 4 22:38:31 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c266665596370f38015e09025eed470ee02641f4 * md5sum 5512e5811a5a2203390253bfac668b27 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) iQEcBAABAgAGBQJRrmxZAAoJEIXCXpWhbrlN5TsH/jxKrJC4R6CHhAUYcLB4acZR z1x3SaYmxyMghPR3KqEjiuas1mSZul8YNV/krLbD2TFMRApK2jGFnfaNz+BByC71 RpuapKG7C9ea+7d2CYrTGDsxOtWC8GZkiAHafrdv6aQo5Gj8nvk1zRr9tVm1hM5s fU+rgREmbpmYNzM4hLdloiw1YBgCE66UGHhqDNaPlxy4GAioCqO2CA1qCXGJPQ6R Cj4HzAIGQdiaoMIJaVJLJQLtAGDZIhw3upMMiE1Cjpn00Iz9r/8Zoem/htflKhLS B2S36jAp26Pk1Fj8d5yssyDWJdzdiKrTqKrHOD7/HtPzit3fKfS+SkKRG/b5wLQ= =68ei -----END PGP SIGNATURE-----