-----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-typo3_14.0-1_amd64.ova.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-typo3_14.0-1_amd64.ova 5618d3ee035056d0346506eb6d9f24d7 $ sha1sum debian-8-turnkey-typo3_14.0-1_amd64.ova 5e93f275c9bb5c68630edef459ee490eea09dadf -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxXAAoJEIXCXpWhbrlNG5EH/iVbbsMBKU3dxfGfrQPNK65/ k6Xj1wE7qAQt9dAuSyoO0k1btWCzUSXnClsB/uouXEFSBN2G3z/7jvB3qi/t4DEt gvIegQ5w18sytuvYTbFqyB3DMIKc6rgqALo9yPrVa9jLrXfLwUAWB6vEQ2Ua++4p ZNrW6M/Tm64AnFCLBEH91cx6mAu7ZPSCy/hR1aBktS8+CvvGlHBv4mIqZqegJg8/ gqCfdMI7t+tbJbwOv6JwNqdqxfZ09xG8j4hiT21MRTp7KahUmMeXyASNVWXW/aXU N/VL73sMVqmSd9N+RuF9kemiBGWYGgXpooSOAlb1coNKadCyEpvwKAf8AQql5Q0= =9Mjj -----END PGP SIGNATURE-----