-----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-torrentserver-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-torrentserver-14.0-jessie-amd64.iso 88002d38590f96c1b6d9a2097763939f $ sha1sum turnkey-torrentserver-14.0-jessie-amd64.iso 6c9cd239b0474dfb9ffe059e95b225f6ed085249 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV8YyZAAoJEIXCXpWhbrlNdZoIAJDF3uNAgvKWfkIRTsMUkFwc AbLc7VPRs2lf5mBcHaS/379cBeBQIQ0Pi29bUMXjlxjSpEtCkppyiq+a0KzxdJKX isyb7czTtx3xyebY83gRlaJSZPAGJ6DcfEXPd3Uksa8Eckmg9Gy8UdPKT0AzTlNr tmH2KWvSNVImsVFGDkTCEq4gYK4jvIJ8y+EGhWrlKaUhLP1JBhtrk60kHpcoc0pv dAeSynxBj/HNa+deCtqlXGHOHROUAd3IsCbC68vBRyvdfF4OGS9VIOSTD2MLKYvT 75Qpzj1e/jOVv7UFBjEH8hUyFkPdPi9uQF3CEk7nrMuBWgNufcqoEo4sfe6VmMY= =bDgH -----END PGP SIGNATURE-----