-----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-i386.iso.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-i386.iso 9f1affdba2033e9986f2defc76fbcab8 $ sha1sum turnkey-prestashop-14.1-jessie-i386.iso 931397dd4bc86b3e010f78fcdf7d3d5f3b3d7034 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPzAAoJEIXCXpWhbrlNaJ0H/ivONm43rYar/Rfws2jxkqYV HcAnlaNALxthMFM7OQ5MPocssLUVZUs0uHS2uq4+f8a9NcX+6giQ8H0/TYaM2XbO utCLfF76U0yyWqGa8IvSQhlm1OaFenb/q6bu53HCiVm7/7gI9ORXDZIaFPi6EIwc 5zsu52GIWTwHzt/tuW8ple00pp9r5RliEmyN2U2dEGMdVxZf/d4zXqhPRkxedzcW Pnpw1xEwaLpdaKrPuoYP0YeZyzqiBv0LBJzpXQ+oesabl8t+E9WgF0YvFC9Aksb4 ZGG1iBQnBzkYlpDAu/dlPr4oZvix491lR5GGrDb1KHfhvAW8yLRPHlEN/Hf9V5g= =+uno -----END PGP SIGNATURE-----