-----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-oscommerce-14.0-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-oscommerce-14.0-jessie-amd64-vmdk.zip f6c7cda4588dab407786d7374a519f7e $ sha1sum turnkey-oscommerce-14.0-jessie-amd64-vmdk.zip 6b2e1c1a2e7feda2a59f27cbe21b872e8bb1a2f6 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdYAAoJEIXCXpWhbrlN4P0IAL/DoR8gd85WPObTii85hleZ WmKBadab9X1h3J7+tKlgW38RngDTVytJqsQqQSzqKGxOPOK3FbiW4qSMnwQUxViN jYyDDfHHyRbnI9FuL9UxT/gY4VqBQhn2z6rBoOaeaGEjuWOCmVvHBpxOuq95bmA9 B95mpSW8B60atiHlEqkhUTUOLvzn9E6RkH9i7WpBJzZJvVD8bAwAFUHovKvx8EBS W6woiZwAVuDGw4z6ixPUH/TevuQs1ruX+yGXaU0k71GZOiS7KQjHsLVJL4BMC9Bw VxE9t4kKkVniQQUpuzPB5+qGC27Yyq5LSRK66ED5TEM7CJA1XGFm2Fp6DO6vjpM= =mboK -----END PGP SIGNATURE-----