-----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-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-zencart-14.1-jessie-amd64-vmdk.zip f8bb95b3137f74abaff7e974b998f69a $ sha1sum turnkey-zencart-14.1-jessie-amd64-vmdk.zip a5e7be34ef0b21d871ffad965f50d7ce4ba7bf96 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn9AAoJEIXCXpWhbrlNbPYIAMoiIMgHslRXtlX7QltLhmUW nf3u8+7jkFXwt6ZdvkZZ0IdhtY4UHYugdUmhb5I5R+lg6+4uuM7ErZYZYApvddvy 5vnTrcqG+0vETjVLBy1DbrKtMATqz9rQ99JRsVuPYeXJymkjkKm1jI9LbV7OINnP d8zjkubw1CjQiTYQA1vqthA/cTGa45fRzRLi086EODenib57bDv4JB8sAAd7RTht 1qWCJn6hUnkhQYk0KUM+vfR1xHp59HxJzqJYz6qP3Ic0JYaSoR5/UmZZV4u6MtNx HyDvKzAXecfLRfwTS9R0H7iWDIttlMfVZZkCE1fFrwTvZ03Wy0cbrPeSYrOpuoc= =ADZf -----END PGP SIGNATURE-----