-----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-mantis_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-mantis_14.0-1_amd64.ova 6aa7b46f85210aa83162ad487ec75594 $ sha1sum debian-8-turnkey-mantis_14.0-1_amd64.ova adc7a046d508c1eb1467719063ff6f7e4eca63f3 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxTAAoJEIXCXpWhbrlNpEIH/RvkHpEdqXf5VfA6lk8PmczV ijHzeyT1kpeXtJVuKQD3t04ua6UiXCAuVf2t/+7sqDRBbAtHKLg+rz4Q5QJcKflo h9AL8wwCNQ+2SR9LHg/6xBF2E4du2vmxKhX5qoa+ZHe19m92Wl+iYpm4LjvzaRb0 Ms/RjvWhPuu4lWdzA82jj02euYeaVVcE7e8/UNDSQXt1qr7G2U9nwnxZlcydbfbf lB5SpUc6Ns8ZadT+MOOmOG6GZdrxo1p1P3Ci5pczT4KLVk5KFJNBH/oFWjKwu+/a JNP37vnK/iQa8JfT7ZnC/ximr/DmT8lgaHVyo6a/ojeKbQO3FuE29FQnOrOPSoQ= =hZ85 -----END PGP SIGNATURE-----