-----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-14.0-jessie-amd64-xen.tar.bz2.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-14.0-jessie-amd64-xen.tar.bz2 96554a5a3e6dfc3e505f5f7d58f744ab $ sha1sum turnkey-orangehrm-14.0-jessie-amd64-xen.tar.bz2 f6ea3850ecf75752f51a57c1d96ca9a2fcb3aed4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiBAAoJEIXCXpWhbrlNH+sH/26CiBUUPlKjFE7MOibrVh2z h7gNvNGNvS2Sw7K2aCNLv2ms4xlKwCnz8doS6ppoHSDhNpZioLkS8qoebeudtAms aVtTvZJeX8p4Oxxws1SV8X3mj9eBuMWNJiiQOnzCAaJPjy426B2Abq2gND/hNrah y+tFi4vxPXk2RvvHpddBx37LTBZk2XwWJO/TytofWgfYIwplpw5msnhA2vxx5xSW jMSEiRc1eEzAdlEjZx5oZh2qVU8KtsE45AZCj78bK97ocdW0uFqvj1PWirqkB9gA IwEyijUqX71KiT0NXkUolbyY3vHaf/rpuwG/iqURrkBAtZrcxZF04Q9m9JX/LOM= =5sTe -----END PGP SIGNATURE-----