-----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-prestashop-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-prestashop-14.1-jessie-amd64-xen.tar.bz2 b9012ba3110361d36b0241949808aff3 $ sha1sum turnkey-prestashop-14.1-jessie-amd64-xen.tar.bz2 3a5dd43d946267e95249ffcacf34604df94dbd38 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn4AAoJEIXCXpWhbrlN4xsH/3EToUUV1DdZeyfTkeI+Max+ 2Ms37oP18ia9tCknohzWlAvDuC5aSzxFFs1sCCCCjDdRyAJ82WUZe+/hW0owJiA5 Gu7veeVtcPgr/clUAXjoUzRX2IYYACTkv15l9nPjTQTTd7YwzqCADPJVe8BrWnvJ 5IMHZvBMf6a5cC2//FR9mfFzUJKUtkaoGW2NK15gkgmcoUWCnpBMUc5itBkAfUWo gDCKecXuA0MI7Dlv6l6QEZ6nbBLsvZ1cVTZADTxwl+9TpoGJCfM4XswZgLuB+s5m ufxVJos5/RW+X2tKL7SBqrtPHd4+nEfmZDdxxcm8dIYk4SiPIDbx2QliGZIVnOY= =jcvj -----END PGP SIGNATURE-----