-----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-e107_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-e107_14.0-1_amd64.ova 8781788a0a7aa9c1f894d9020f825a20 $ sha1sum debian-8-turnkey-e107_14.0-1_amd64.ova 45244137b129b8ffdc9fa280283a6da09e321e20 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxSAAoJEIXCXpWhbrlNuEkH/3iD+OF8qzm6lgtHnFbqNGYS uVhhHWyMFclKogHqmWAcEARIdak+SnVGwIxh/pULTIBog74qJHuQyGuicFwhf/se vvG7wAIW5IAtNKrdOHGCT1ISBLvLAtkNzWKGA/Ypme/CjAjFPES3mfWhBsRZy7v4 4kWSCS2bOxgE/MQk/D6WYE9wXTfDbMOZKNDwNHiixquYuDFhZQ6RA2NtV6I5+g6y c0XHlrRKfLEL9VyVBGI4AbKem0A2BzLDvUrRJgI4puXDF8nxI0BsPCAurDeAMmNd TdxvytFWfsj1kUtGW9jIlSe7d1q8s9T51HhNPswOJfy6mdVWkDasT97awEGFJv8= =W7J+ -----END PGP SIGNATURE-----