-----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-typo3-14.0-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-typo3-14.0-jessie-amd64-xen.tar.bz2 5dcd898ac929f13dcf1e084417a44a4e $ sha1sum turnkey-typo3-14.0-jessie-amd64-xen.tar.bz2 e6d762bbecbd8de453ce5afe518ff22a843b42e5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiDAAoJEIXCXpWhbrlNKawIAN+FVnnbPHnXEq8tMM3DmPtX vgvFkhwMieqXIrHq8LeSp8Tim2N0AD9a36fX55fLY/f6HOgkl6c9gGEhAmoHlKZ1 nwfVqnhxplo5qOILL/2Cj7ebb9MZ39D9p1G5pCZBLpU8ol4DRnVFNn4u+GSLEZIV K2PcHeZuY3EOjIz7TIt0097CJRMKEN+j78m/5/XPnSMqDCulT24SKq+sWaJmGOp5 StzlbudzKFprgwY5tkA1FZyILkkTftRqaJGRhSKbchZE1QfaUSA5BynjUaAVfqF2 LCGTHw4FObxDCVe4Bgfv+0XsS3bh8q8DdeHZ4aNi+JXVJQFNoudunv4lC/jLdyk= =x2EM -----END PGP SIGNATURE-----