-----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-django-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-django-14.0-jessie-amd64.iso 16871b4a55f4b0ed7458d6bd1e964fd4 $ sha1sum turnkey-django-14.0-jessie-amd64.iso 781ec2f9de071c3a31380c295f3c6a24dbc5eec7 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BroAAoJEIXCXpWhbrlNX5UIAN8gsw0YqannbK7V+jVmR/69 HhTmonmz9BP0NS1H+RTSG0QYq1gXMw1Jwz2bG3ip4o1hzvQlaUfERZnG8hpVj8yu 9xs4RXqOJZ/dLlxSdKkyuRgUMAjw+PPIsxOy4qAmqzkQAEosI3xkxMuYb9geYeSP wiVaT2O0aai2ukh5PicVdrO5kIHAq08NF/cC9x0LdPKuEhO+YNm3ZHMKjBC/r68n E+j3MBJ753r+vLJJQMRtPqqadVfboBoOeLADtLlH9XUAwjaEUHss+dwKAR8X/70K alcQ0bYSELrveNhGaMIBCuzcEtSU77vVfJo8sAvbNHnHdBDln/xGME39Ssts33E= =/CZh -----END PGP SIGNATURE-----