-----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-lxc-14.0-jessie-amd64.iso.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-lxc-14.0-jessie-amd64.iso 6765a4b3e863b142bb80a4055b1434ff $ sha1sum turnkey-lxc-14.0-jessie-amd64.iso 923554b348419712b9376f6606b94b70155bc794 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWnf6zAAoJEIXCXpWhbrlNdhoH/jNEz0z3cXYhyq5Tdk+hR5mW 3WYegQUJtk4tIIUZwpOrL5YiDf51CkgPcAWujtNuncQEDRC8iSl0tLnNHZgGvwqb R37GuAAbaIqxtXJJUMqcmrSERwwaWjjwJt2/sdAJPrvW8GVZFLDTH6eJ4ywVkc7b FgO1gzTvmBxiP6fUesP6qNdTx7RdjdCMjK4QMVgHf71h0aDRLNywrs5wUusmbMUv DHxYOlhplSm0yWvHdcWtA/BuvKW4GM/MdV08eckn9Sy3ZbVS0Ve8tDRb8pzVx5GD GdhqY/3duJOO40jKeBvmYdfIWOuA+6/Yxmpq3jngbRftHUVgbMeboZWg9cS3dz0= =jLev -----END PGP SIGNATURE-----