-----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-asp-net-apache_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-asp-net-apache_14.0-1_amd64.ova d3745b2c6940ce03b7d6f0738b481037 $ sha1sum debian-8-turnkey-asp-net-apache_14.0-1_amd64.ova 5dfa4d5e03fb4ea30b60812ecb3a70b8569c1ec9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNFGEH/RuIYgdusb8B7fFx/mtd4H11 ynti7lsHPCRUKJhJLNYxXAlKR/vsC1hxP7GeOfzZ7NXA7A3sXM6jdM+YIEiB+k9L CD6MUbA97+5AmRgH7MkMDS6c+nrD0qy4UiVzyHKaljYufXdHOThNnfA8AOz5dWI5 j5Q1EPkxXgGWog3QPwUzStX3OKNd2rN3/i7xG/0d1TrGR76bdLs2XmOXCkHuo45d TWrgocatQkKSdwxwSb3T3FQWto6VccYgFjzD/3HtfLoPfdlSY4cClu+j0XeU1IsY ht82uzZIAdd0Pa+tJw6Hr+E/d5iOjcwlIaMZfP82At0qLqg/DvOEQ73ptjDAjdo= =lx38 -----END PGP SIGNATURE-----