-----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-tkldev-14.1-jessie-amd64-xen.tar.bz2.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-tkldev-14.1-jessie-amd64-xen.tar.bz2 f76f243d67e71e6c5f9e89d4a7ce11da $ sha1sum turnkey-tkldev-14.1-jessie-amd64-xen.tar.bz2 c74401e500064848f6220fa771430bbf8c416e48 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn7AAoJEIXCXpWhbrlN0s4H/inV/3PkpSO/tAPMmuXT6yY/ 4y/EgDPQwJxZykgeIPRCguiq2q44SfkHRxc8UT1dzz0/LMRnfHllUjv45XMGKk3H KikWnr4CwWR41n7qCWc26LUk8e2YA+CzkoPNlWfWF3dyovzjzm8CoAFELFUntkZl kQHUcZ0mnR/tRywBbDbacY1VEiOKmcv+LpgDMUEbJleOVyIM/uvsRLqk+47JjbbK HHMjMKyIxCzs8PU6rTeVSSwlhm2opJBaxBsaJhfMPH5cufQ4NuXmgbQIKWb2sD8J 6meJPEHI08tjla7bLTSSA3aOq/we+WPpjADK1wfuczLgJrYuXV26MG6eVE99FkA= =y3jg -----END PGP SIGNATURE-----