-----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-revision-control_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-revision-control_14.0-1_amd64.ova edf40ef17cc7a66bee01ffdda57ff77e $ sha1sum debian-8-turnkey-revision-control_14.0-1_amd64.ova 6f637d92fe84427f1c4b3ae6b7bd5b2f4d19f54d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxVAAoJEIXCXpWhbrlNLQ4H/jjh3A4kFgQa4G8gOKJyvU+J dLJ3INnJJxJkZUAW0hO6AFCuSP1mVW9hHjITw5xBiCB0c+ieo03dftiPdaf0urGg SkRAYJvRdEX9s7MPxKyPlkLG5sVUwJ0Sfm+A0uN6R3p8MOdN/VOr8ckZMognl1ji IYOr6wIecWu7xujwFE6SAV6q5x/wthS8KlEfYrbOt6duy1WKBiVo0Tg830TFnmQu tBewAnDvsWXN076KG8Zxz9ftPKI/c9yUdGRjrxhbo8NmqKMDSnhYF2N5AAFwIImT jb6i92HijKhFQkfmyrV4QFyS/UGjAmkL6Q6URwRODRYkOaa9loJgvGexsQnYNjw= =K64/ -----END PGP SIGNATURE-----