-----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_14.0-1_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_14.0-1_amd64.tar.gz ef20b5d90f198b218accc71b7e36a49c $ sha1sum debian-8-turnkey-mysql_14.0-1_amd64.tar.gz 9e5fb8adaa9347d1ddc2e1eff1341f046b1fec0f -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxUAAoJEIXCXpWhbrlNCYcH/3d5RSZFIUvMlXjEH1BStAOu 83FLSTg2L9Pw5HQmD/FhQMcOAwQPFqQ5Vd8/v1U6lGUI6g73aM3hoJjSrdArkA42 WllZgj6rrY6kgleGlFuGv7/Y2F9kqYl2AjmydpiX2ZsaV/xo8ZNblFa1bcIG7rny d0rJwBbnausb8uYG2HgT8/suS8Dl0CRlHuj1ktqD2Xng1mejkCHHCB8z+38ErTQc qtmQ6yx24X+NXAIX8adv8mLUyIFfFyVPP30DAqc5ehMkpnvmEj75CVZtBcphqse5 PCcL6zyinxLY4nrqO1fh4mGpmHf6Ud5samukP3ihKft8NELenCWp3cxyxnz2khw= =JoDM -----END PGP SIGNATURE-----