-----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-pligg-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-pligg-14.0-jessie-amd64.iso e993aafd300adb3ac8ef4762350c7e2a $ sha1sum turnkey-pligg-14.0-jessie-amd64.iso d047ef28917958297a6974af60364e008756eb5c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BrqAAoJEIXCXpWhbrlN5usH/3g7uOiVlhpF9pgleY76CMqG fxP9Gd/pUZCghmmOwDYfHpNBUZUU8JD8k+sY2nJTATcu1fM4sgDTf96BU6B3hSFV QaVRPOGP2UhV+Kgi01BKxQs44LCBIRztaDMI/A+g24oMHNiaJoBQQqgotyo/qmRW +kRUcSF4CIsxAE09xkCWp29LDJ1Ccjo6nOB/gp661wxg1pPyxfkIxW/gFCaazF9B CWLfOzXNhO+aWkjLh6YpSp4LftccI+mfsL1I3je6GoULMgOdOFyEpM/j3UghE9jp hi5emdu2WZNQyyZSe8gZme4V2OaSE6qSD73dJ4fxYakajg97Pm3o/Y/lHlKvzC8= =kwU2 -----END PGP SIGNATURE-----