-----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-lxc-14.1-jessie-amd64-vmdk.zip.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-lxc-14.1-jessie-amd64-vmdk.zip 143f2447bcdc044a1599f15e2002a955 $ sha1sum turnkey-lxc-14.1-jessie-amd64-vmdk.zip bf061f3ef050a2cb60d48869cef91e4aa826b1c3 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn0AAoJEIXCXpWhbrlNRGIIANsBhcjFk4B5PeyVXVE4PuW0 3ul/V9AlzqHZ+c5kWHn+BWPvi9OiqAUcFxEcV1PZiWknbgHNUjpmcIjiANL/t6FV GSh8WQ5mhIVVQwvAWsNygaLrYqIv9NR6SPaZU2d3Q7nA7/5x4JjOA/dia6c1u4Ru rp0xpeyPrJiIwDeJOepimJ3fdWcfMywShAenbWZxKklIILkxiOQXkMPaeV1a3Qk+ l5przsIip05pLoQGe5NPvLAzb4EXH34QaoGx84WP8bolu7RDe642PCOClwlKTVsm JrT28zEL3qRFVcRsiUd9/HJQyKFxvP8bc4NBzmFqhcsyNkrOFY+FlQrGnX3HYU8= =56/0 -----END PGP SIGNATURE-----