-----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-ushahidi-14.0-jessie-amd64-openstack.tar.gz.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-ushahidi-14.0-jessie-amd64-openstack.tar.gz 95ee0226604f88ca621764c159ecde28 $ sha1sum turnkey-ushahidi-14.0-jessie-amd64-openstack.tar.gz c47d9ef2d3b8ee6adf3349b086f14427f8597e39 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG/AAoJEIXCXpWhbrlNXtcH+wW1jBAxsKG+UuiU1IKc5sJw mEM4xqKcUXQ6oZGDXcS0onYbg7dKe8RASf50czdq2FVH1QkBTwCZcOyFjIpjxJ3x yOBweuGv5VZf6f0JIpxxhCZyzV4n73cQ9HKpcFkX46EcrH/bCWPFlbYlV86Q8Qbr 6nuo97by6P2/3gklZHCEi929foOwKiPmteR0bk6CRAipzW3kaBBMgU6ZmafcSLiN /ZXcqovSVHt5SgwNCBkWlKUCaE7mYyPKEOZFRZw/T2ks+4kT7mE3Xm6uTA4KkqOn UCaxVlZSt8awwK8c74sxDdfyJ/Y2QgJLpGUuAGCTbfIg9CoqDhSeAi0jbx5NmbE= =Fgg1 -----END PGP SIGNATURE-----