-----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-joomla3_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-joomla3_14.1-1_amd64.ova b4c5c3fe986796634e09d8238c90fd66 $ sha1sum debian-8-turnkey-joomla3_14.1-1_amd64.ova ced0b3be9fb79fe26bd72fb56dcdf55905ca537c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnrAAoJEIXCXpWhbrlNXPAH+wZmXmur8lFP60mep/piOzEW gHCQ5Hp3fo5kJQkvfbCJ8+PWiPSs+AVNfvOKZP0zPpJglcEWrY1UEOuljUO5joO+ hD6NetnwtPX+DM6awsgOASjYVMo+fgBfFQ4ytLVopX52OCT8ufUullQ9b2XAzeEm 3LWZcu3UdIhbe73v6tdoOiwQkIcyiEgpX79Uv60A++QvKUbC03fP9ABbNu1pbjg1 nk1N48A9HRTeYfddOgUBG6UcCWNFdhRPIBg8Vmx6HV0y8F1KjCY5D0umnbIJzJZA ZhpmRSAoejYXa0Tp/VU6WCDdcpSqFFxq7WfC6lVbwdw77yg/CJ6l5b0id6x7/ak= =pG9D -----END PGP SIGNATURE-----