-----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-zencart-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-zencart-14.1-jessie-amd64-xen.tar.bz2 581e546b0a825ed29cb5e0f250db60f7 $ sha1sum turnkey-zencart-14.1-jessie-amd64-xen.tar.bz2 8b13edea88d028e54b5b8bf1ab97d3e9a817d445 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn9AAoJEIXCXpWhbrlNbT8H/jNjJvmhVOACRp4hlNFN8Bzd w2cVCyR4XePdtIOfwCAd+TN9m1h+YoieFUOBoAxt9gN8QAyj2u9jMTEFys3jWXyV CLNhJUl7d/RIcgOEM8yQgZjJ74pBQ0xF/eI+39Z7jE8/sy4PoBp02s38FrWqIpgf KA9P3qY8BKViQ9eD4HDBVtMqe6gVYR/U2nH2P7s8h1j3gLmdjrEgYBWIKtC0fKaX 1B3Ss+uPdRBIugTZ8gbGx7qpPBKeb+1o41G14tEyM8Vax1H0HK3CgH3EOLUEyKW/ fSgRw3he97rMzTfGQvEjhVxx+9dpbsiewQc8+FE+v+fQaG5cQqAfyByIqPuZ44s= =NnyS -----END PGP SIGNATURE-----