-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --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-14.1-jessie-amd64-openstack.tar.gz.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-orangehrm-14.1-jessie-amd64-openstack.tar.gz 7af687bb32c2781baae32642e188a058 $ sha1sum turnkey-orangehrm-14.1-jessie-amd64-openstack.tar.gz eb36891ae27319f003a466ceae3c362337c639ad -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn3AAoJEIXCXpWhbrlNP7AH+wd6HT7B8UZ+I5X4xIFdlTM5 Y5nm7kcvLNCbnQi+E3YBDCl8vM8Ncz55eBgz53XTmp70mYhS+lNLYLyGcCyalzK6 d0QUGQcnuRUzLIE5JVHh6X5YoCg0/rEYCjjs8HLSdEtVhM6tcD+9EWqx89c938PC kveXzQIxcOVErQx4509VVkX6YM0dHcn1gyH7uZQ1l6nKjdIxQa4Ed25Ftqzp1EKS eOBoFajbBxnxZ5hZEjO01K9RhOwvHkFCr5YFwQ2jLNPom1zCjGsqfiXAEnbm13OH BiIEusUDqqKKNFEuRZGM0C1d3wKlXXoxGFPlTcaqWEmXOvnG6+ne4Y2z3Tc3Wlc= =w6Gm -----END PGP SIGNATURE-----