-----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-mediawiki-14.1-jessie-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 turnkey-mediawiki-14.1-jessie-amd64.ova 47ea47babd780a6214adaa56708fde2d $ sha1sum turnkey-mediawiki-14.1-jessie-amd64.ova e6ec7de1b0672d5bbae3edf311484b2c11ff2c4e -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn1AAoJEIXCXpWhbrlNy0QIAI2Y7HFquUymODONbGekPMNm +GHzRktnCToHNlqjMT2NxaORJYsWrcocScWMwOU22QV55e3RTrdEnAErPnevS12j /zcPO6It2qvI+/bKzEdBKJTItKgn9ydK8kBWftHjuSHgt9Inej9tWJy/UPIlAXjG pAoMYNA6AXhBSSniS3Rdg/x1/5FzJJGoSckycMnnLdAHbjuyFhyC8T1IXhCAnTHO u+pZQ5/oLrZ33D1QzRJOZcH+RuwSCWv/9G5okjte+/SuzmIgmLwBuNa3a81qeh0x IMWm5qquX1yuZWvJaWUdg4C4b+c/dWQrGlh2ih5LBWnCAmbeEUBX9R44EJ2nW0M= =+uxZ -----END PGP SIGNATURE-----