-----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-mediawiki_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-mediawiki_14.0-1_amd64.ova 74f29a6f439020a44bacf3e17cb260f3 $ sha1sum debian-8-turnkey-mediawiki_14.0-1_amd64.ova 6ca0a3278a18b34bedeb8c0147434245e02d189c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxTAAoJEIXCXpWhbrlNSXkIAOC2DqXoONmMpy0JbdsjGJTf /gQQ17mTxi+XxFyIhBiDE/UXb6MlMYPG3a30LVc4uo8sjZK1WwAHzXVfyWkqmD5x CB4kttx4xoo9+QZGmaoT82O/wffJ0GwspinE0U8Ko1c0qb6Y4sl9wueubli9IpkI 3b5pYmbriP2sXO65uw2wD8ugEJnVFqqSosp0dIGZMko/4j8w4GgOI/B7rOn9cDlw 7/aK5pQPIAfEYBBlwR0NrHFndTvRAlN173rDjcnJUsxY3BXPmAVCZD240SOamokQ 8WanJI1VMHDRY6l5HhbZXwN+QR0qF4goztZnD/EjklS7UlI7H5cyFwDUYitd0bI= =QmSE -----END PGP SIGNATURE-----