-----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-gallery-14.1-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-gallery-14.1-jessie-amd64-xen.tar.bz2 a48bbeb526045ffc0dbfbe92166b2561 $ sha1sum turnkey-gallery-14.1-jessie-amd64-xen.tar.bz2 7c2e6f3c3287f67f29ce2a339d4248221aed0fcd -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnzAAoJEIXCXpWhbrlNnokH/jWDl4wozzNd3haNOeOz1KV5 emhS9GL3jLZ8UpEAa3gzD0s98CMy5N0OOsa5wybTfoGmvn5GFi5o28ilaVzi0cQZ e4VU4LjSRbXMyxczfyq1csU6Bny47pHUQ068mBJwRuF+Kh/hw5X2uXIYBOW37mnE WdfBPNlpjnfxHgrS7Llvg7qGPMkGSCnG7Dc95pjWqtq0IQTnmJwfpUS6+PeZyjO9 XXGg9SMFkCKB/eaJLS9NJIwNPduY77EBsP2Fs84/qZfMPvuA28XjOqeqOjjZaZyl o5w6MjkO2i9R5x/3Od7aGcJ16xyaVev/+DMA9jOEYyvzWEcu11fajpvbgHs/K20= =nuwj -----END PGP SIGNATURE-----