-----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-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-prestashop-14.1-jessie-amd64-vmdk.zip ab3142b152aec685bc0eaa20b0a1de8d $ sha1sum turnkey-prestashop-14.1-jessie-amd64-vmdk.zip b6545988f25ef28ac909847f010b4d9f425778b7 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn4AAoJEIXCXpWhbrlNM4MH/2l8Dmpr6b6ZDg3+eneNNvk4 hJyh58lohuqstpIMjkEk5Xbxn6vi4aNj4WXUcsNBqtH1JT6Kq/7iUCPbui1kXnsU QCVg0ZUSjXaW4DRI3R0qyzV4pjtsOHY0vKMN+cwuGTxA+0ZkQVuX/S9c/fTWsmq7 v4U2LQ1FgA6UAuYD92nYQb0lp/0wL6EQN+8CVj0FEP7Nz0y4ilh/M0jC45JdvQ+k 8FjOOHC9efFnH8jysp0fS/FHy5W9VZqhE1m3QkPcmvoRlKHHwTkNuFwX1P7DBZS9 TbVI7FGPacQt/WsjCSFDp2P1vkMtTtIzMiLbF2lTtAh37KfTd2mNXTH7UqDVPrs= =f+Hu -----END PGP SIGNATURE-----