-----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-omeka-14.1-jessie-amd64.iso.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-omeka-14.1-jessie-amd64.iso c0c9b503eaa8d207d9437073eff9bd7e $ sha1sum turnkey-omeka-14.1-jessie-amd64.iso b0f6c07cf25186f52001ba8f89a31cf70e64c9a4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPzAAoJEIXCXpWhbrlN4uIH/1kE5rpxze72X3MMS7yU0jJr k8DNcBZ3xtKuHxs079nEc1cbNvICT01p32ehZQlepOieL9U4EbBubZMNB3uo6S8M wLZqzV86eI3IezmsncPRKL+AR/ci9kyAXFW/RkK/b5zop9HaVV0Oi8VFEZYb7pHg HP4WGyxWIo7YOvpgTUDS0YzH+hKsx8NTnxsnPJ5DyrzOasI/swhTVNdWHAHPgQ1p qnJiyg+J6FpbD1hGjOQx9M5j2hnbwVZiTpyowju3TdEVCOCaT//F7i6aVb2OlQ2Q gnMRmGBEC10x/0r1iDQExcH124QFn3oAJr2nNWvg866ifdadBzlh6jWbNlxHTDs= =Tglk -----END PGP SIGNATURE-----