-----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-mambo-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-mambo-14.0-jessie-amd64.iso 02291c2c7f5915cedbc6a02b287ab2ad $ sha1sum turnkey-mambo-14.0-jessie-amd64.iso 17aaee65d7de5adede07636a7433dbe35fced2bc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BrpAAoJEIXCXpWhbrlNp1QH/2oKmAyBO3FeHcakcJYj0wuW Yccf5C6wXZtp09Fu86y3dLZSvE5NFe1K60T6qt5/WJjGX06i1K2pwWNalKUy2CDi Iukm9X2NjaLVAM1DD9/pX0ZEz2G1xf3tyK+/nD0QwKTMvW8pPwoNwHkcR3qYl2dj qzgnQUDHpWxjoGQdc9Q+sqwZ4ET3bplZWaqxVaist4ZlhZuHhpICH9EfDRIMJ+aZ ZVKGt/j/+paimKhVD5K0h04dk/FDz6AefTJSycJgsL7DI24zbJiHIB37EkDvMeW/ tKcPZK0ImDh2ZoXWr9xXSHtrWRTwYWQbN8EKyivFzwL1tl7aFXaB2D3npn4nDuE= =MlAA -----END PGP SIGNATURE-----