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-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 22:54:34 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 090e09fbb8b17cb2652a1e95875a95587fb8236a * md5sum 1b0e96bef1a444a545e8e51b3b2150e2 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) iQEcBAABAgAGBQJRrnAeAAoJEIXCXpWhbrlNCTUH/R31BmWtwErP7cABwmSJ16GG JupUJQshD4QOgasj1jnDGCE0zDOo3D+636kn5aIOUwEWtfHhLdj1J/Hr7Ou03B4x NR2rccjxm+pCGiQANgU8o/qJWk1Y3fBh3W0XnoaLptdOOSufCU/vVNx5FJ4IyGoi CJ0/u8EMZKF1RuAEWwMOYSf/y7DL7r2pz6A9U/4JS9O9ZkNKt6Mh80epGLFeWj8s c5FLJLolyT5htHAUZJUKhxAx9q1JxDUHiTnDXwgwq1AH9I87EOSqaymoRF7Zt7/M Jp1NR5nVqlaIlnxrhPa0zIukqwaszGFvzSocY32Np+UI4Kzk3iZ15edVOSQW55o= =ykXn -----END PGP SIGNATURE-----