-----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-14.1-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-14.1-jessie-amd64.iso bdb8dc36f1a4bf8da4e766a9befcb84b $ sha1sum turnkey-django-14.1-jessie-amd64.iso 7b2caea976fb24a81c99e53c33d25f617a75b35b -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPxAAoJEIXCXpWhbrlNXXIH/AhqXV2rdjUU/UgcdJweygXe VPl8Tl+LlRBQXxuBai2BKvZcuzM9k4d5na9ilurLzxXrWS88nB9TqOHJNa5R13r2 BY/j5vNZ62rsh5D6usgSHFOrmvnwhsET1OPcyXD0pWbbKwcAJZiZcwQWO363A6c4 5vAH+MHCTjczT4GryxWrnC/F8zOeqf9t+wSM8Ki2zUeF0fJq5SETmXFUoatfxd0A UWUWPgxk7c2SvXHO+iO/pspFU2v9otY0MBcS8ubKTOfkRvXNCarTvzJivDvIYHgj PUV4Lg+pXd1gXDJIpDYIa6Fyy9sqwDFjt8MGf92f70Ap4RpXoKvQc6Cqj++4i4U= =HWtP -----END PGP SIGNATURE-----