-----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-magento-14.0-jessie-amd64.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-magento-14.0-jessie-amd64.iso 771b4306e2dd760b3a955993989201ad $ sha1sum turnkey-magento-14.0-jessie-amd64.iso 3d60bff43e1edaf867722917841d690428ab87ad -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BrpAAoJEIXCXpWhbrlNWV8IAOyNvFilVn9vdWwyeJuf70mD FIUub4z8BkyzRRxL1z2sWmcSUmGKpraX+F3v9kz3zg+/mmblPgPv+4wCB9Bh6GLd Q0A5gQaZdZphu1peHEsXjAZhQgV1qMA5EHy0Yj9aJc9PwU2gpVPpeBKCX4+z7a0k vNzeICKCTeNstm+Ko+cA0+45mdfwmatOap7F75td/a4lSg+RkonfC4vEW/fPQp6w c+ByqEScoxRQGjlH9CRmGVM4pXDUkoSVDQQvRVeW39lbqznnRlrodeofdkVteEgB tZsaScFmtaMDv9UI1FssqvUolJCb/ULaEMPTZbHgT1c3g7aD0HtmxlYZcQK0Iw8= =xOPO -----END PGP SIGNATURE-----