-----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 debian-8-turnkey-mysql_14.1-1_amd64.tar.gz.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 debian-8-turnkey-mysql_14.1-1_amd64.tar.gz ad03f846123ac0be4cc792004fce0d85 $ sha1sum debian-8-turnkey-mysql_14.1-1_amd64.tar.gz 112dd1d0b1848bdb64036c46d68a52375f428067 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnsAAoJEIXCXpWhbrlN1SkIANjJaxIxl29jpxFSQ02nKKfi g9GiBqj+6iQvcv+8s1VgdyBBztYN9bEHIBtLqoq7c4GV3+vvcHrMd7DO9/SCE9td jyEJ1bWs9WWH6B2h8e109LprHtKMKkfBVzKVxui2fkswD1CLzC/D5o0QrmskLhOx Y8tiUq0p79v7bxtPDsT0lOtA5PTqWhL90oEFp5i7ytB7wM5N0P9KaT3KdhurWrNf 83qI59eMMTbUqbJX+y0fCKmWID/RJLSZPY95KPZCj2u1wL7zGPjGbTP4GGTHzqiK IOFRl+aG2WrYpdIR8SarIMK2rQPxhsDKMalcu2ilrT2HUDcEEtX+21WX8MsdsEQ= =+mok -----END PGP SIGNATURE-----