-----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-bugzilla-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-bugzilla-14.1-jessie-amd64-openstack.tar.gz d4893f6728498822d138a92b6c83db14 $ sha1sum turnkey-bugzilla-14.1-jessie-amd64-openstack.tar.gz 6486b9d732630e854d0d5dbc0b68c71c57c3ce7f -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnwAAoJEIXCXpWhbrlNyScH/2JSCSDqPdKISEsIJ4ITQfGr sA18yzGh7nkMx2ZP63bO9hdYn+xjtPE95IrlzYGuw19Or8v52ICKYgz/XOpa/AAH 6S7Z5Nd0yB5OfjDR/KVPOuRak7TCIqPZxjEaK08AjhzA64V1IaOn6bQVXxwnLffO 2CrrkxJ63LKkc4uFuvE4P/hg6lmcjuBT1pI6UWWB4L0oQcWqR2xcmNtMoK9P1Wv9 NuN61jbs4uLgyeBvzbfD3U4vnYGZz0tgENqfkAWGvAX8JztO6FIJupogfLuUVtjS eUCj8djIkFwsWodV+IeHJ0ZjcDLKrWS2o5uIYIrZLITlxNtYbEmEMvMdhb3dAMA= =Lqyl -----END PGP SIGNATURE-----