-----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-plone-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-plone-14.0-jessie-amd64-vmdk.zip 04b895d8281c084f9f06b093f85ce0f7 $ sha1sum turnkey-plone-14.0-jessie-amd64-vmdk.zip 1692e7ed6e5f9b3156686ff99b3de51896674e5c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdYAAoJEIXCXpWhbrlNLiYH/jRbRAbNtVZTVhemjLqPg8GD YW5JupSvB31nCmlcPcTYUzb126ZTsYRfnXWLCgphJHyJpP5poWlCnXsOYjAyDFYB JhaGtGm1zKmwO7SqZVm7No8egDhGezFU8+H7gkAEkny9PdcM43lcMaVTeoK7hfwE peSsh5iRvrgWEQVSxyrE8H92Jt0iBO/hs+BEJvXzRy54ehxWNuv1HwP7pfxXt8Gm 09E6K9hglXoqHlclbb4vLkoQonBdeTLjClkluwMaLz/ya0aSM9zuet1SL0medDqB /PQkJG6uQzieC6dAulVkWnosJ4uMjXI2aFjUowTbl0+hR2SQy7ODGNX4s11pxRY= =hrJr -----END PGP SIGNATURE-----