-----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-asp-net-apache-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-asp-net-apache-14.0-jessie-amd64.iso 6ec79f654d3e2c24a821a32688e0f9e3 $ sha1sum turnkey-asp-net-apache-14.0-jessie-amd64.iso aa40ec3efa98a64853f969494d15104712538a20 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJV7BriAAoJEIXCXpWhbrlNw+oIAKyHm687cAir4vTEpnOaffJO 2643Q90Dns6WziVmzO/iIiY6m3AYURumbNUCghNtxPVwNkxRwpEHKzkZAdnT2Ipd sPzHRHAfNJQ/OvdTRfDPMAxBb/EJp/I/B2l//dqcH9jENKyga0QeWSGrJpVE1Kf+ /fkwHSr1Klzv0SeD7c+wR+qrTtiS18nYixZMv6b+h9pd1r6fHJpCicB6wi51K6cG mLRItCgRtdyI7XqGtBL14vDUYiO0wuk1G9MdbKhE3CE8tM6/nKcamoh9f3/hZ+Ck 79aodG+WD8siX75jeeY/dESfz8WJEEQfiTVApwp8KetGZJSGIPYyXky1wvOh1O4= =bmuy -----END PGP SIGNATURE-----