-----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-tkldev_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-tkldev_14.1-1_amd64.ova 0ceda6925246ce55c68c40ec6775e0c7 $ sha1sum debian-8-turnkey-tkldev_14.1-1_amd64.ova 3b7a89836aff7c8132272258c8548f6f48eff767 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnuAAoJEIXCXpWhbrlNAR4H/iNPQs72stcCOhe38/7Qvr+O tvHpPZbvS9YPMlscVL2VXCc///W8Lp5Jzxhs6Z/SuZTUiOyEyfii08TcEwuXfZkt QmhW1ZRiZMYWnTiUAOhMdqNcfaIW4AzbsMpgqX6km1XiiLoHqgnABu8JE7f9XA60 tayhTw6QAWR2UY72ktu/D+aS+ed+iVblKBZW3tntahlgZjp/Uajg3a949vKCAFLh zf2WP3AYajSBM6eceMT4eMfa2qeinteeueOi41KxHkLDCTD7Sa2BqpvoyWYJXnqL vKvAuoe5Ch6CfDMsvLbIMN+KN1rnCAmoPGzZtkzeuNP9UjT018u+TsjcsFmwU7U= =EjQ7 -----END PGP SIGNATURE-----