-----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-mysql_14.1-1_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-mysql_14.1-1_amd64.ova b0ce3146613d371c451c736e44272747 $ sha1sum debian-8-turnkey-mysql_14.1-1_amd64.ova c37dd05f60243f1a2896e4f52699ef554c3a6550 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnsAAoJEIXCXpWhbrlNenAH/RX3gPVQau7BO/9Pstwocjfk 8KY4AfHIaeGagsg4+smFEoC8ENqKcd36xegPbx1GItR4A276i/L4GO2Dya7uhCMW PdfSp7vIUmZW6kRY27tT2Occ+ycFrUhv9KYopRHZUdwAGgR03UkwJaZLX9RwYdZv CzMyc9iusEos2t7F0DU5IvZ8njWRrTsMRctrBMlOoLiUwbMA+PcO6zrJO/9PecbK y3Q3t1SEP2YOQwNZgmhg2TNuoDkkcSWPz2QXtgAP1y51d92z9jM2ZivoWcPiprUd onsEPr025JnQVB4tgr0tx0bYN96muVOTUEYwt5viekaCaKMMpfBfTAlY5uKhWu0= =8wmP -----END PGP SIGNATURE-----