-----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 turnkey-collabtive-14.1-jessie-amd64-vmdk.zip.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 turnkey-collabtive-14.1-jessie-amd64-vmdk.zip 9661ab8dbd390511d8f321eb98b174d7 $ sha1sum turnkey-collabtive-14.1-jessie-amd64-vmdk.zip 68ba807320c1e84a84c3d380803cc6194a13279f -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnxAAoJEIXCXpWhbrlNm7UIAMm6doSwX6l3TMe/OpfEgDfp SPz+xL2oQ8tqhSajqb3U4YLssGoJOmEQKP4Jz+hCHpsUKVvAKYPpfeVyxqJemZkh FfSYreJ8BXKGWJy+E1nrq5ro/WaTnJcAEh8Lxe+7KBi6WW2Sbq0f1NcsB39nP9Fa Dsg6NwU4DdGRW8+4EAKwv13/Q5tw3iEPU8bRVqW7EhJ06vb0DxrXOPoQo0qrDTEH CA5i9941ksCvQPYWT7SD5v9BQy4oWxcnq/lIVWUFWi9oYLfijgcJyWJxsXMYfuGa xYrJxFW/aVCsNEMVHJVPAjIk3TTEuM7KKWA/dPRK7jAYZMO7yAXF0o9lI6NddeU= =ohvc -----END PGP SIGNATURE-----