-----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-mysql-14.0-jessie-amd64-xen.tar.bz2.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-mysql-14.0-jessie-amd64-xen.tar.bz2 e44de011c3c167c776a69942d9ac99f2 $ sha1sum turnkey-mysql-14.0-jessie-amd64-xen.tar.bz2 31d71bb07c191a1f432820665717f204566733a0 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiBAAoJEIXCXpWhbrlNuA4H/jX5FozwY3szsYdOmQ8MEylI Noo2hFmru1bGUdDUWYZyq0M5nbx0zKycMcP7oTKbrLpDbje/doVp/WfhQMqklOX/ fyoX11GF8UlIkiWBtawy1BCClQ6tKGUxac4IpaSjTcsK6WWDx4+dXLwYUP9INdC4 A12OmwEgJN3i+PnHxjsgSh5P8dvd/dby+nOnpus47hrWJ2Crlxh9yZLy6yxUepMT ZXoj1IwFR9R8IxceTqKC8ayajE6WgS6LArSv3eYT1I1N0GK3VJ5kw1DPDbNi52vk a6KQHhuBbz7a4zKGpHYi47sVJaKInLvdjfiNZrknabXLWCbVumjhahv0B9ihGj4= =XuFN -----END PGP SIGNATURE-----