-----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-mambo_14.1-1_amd64.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 debian-8-turnkey-mambo_14.1-1_amd64.tar.gz 05c3c2a30021650afc6f27e16b1e26aa $ sha1sum debian-8-turnkey-mambo_14.1-1_amd64.tar.gz 7008f80f29bf663135f3453ae76f58f9a4dd9e3d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnsAAoJEIXCXpWhbrlNADgH/jJ6bmNRVmDQkSsB8hdGiYJJ 6bHAU6usTOvfNDb1wKdj2zer7VPP72g9PgI4qx70iXKPsXUyCyTwUk2bt3w1SRPs yxFgErT8l14gBm/7NosxuIq1Uja6xPcVJ4NFJgctX0P7piCgT2cgmWGxSeFjRIIz /FkaoDVFoERCKMcEADRwpWhKB9m5gVkkOcgIsKCk3d8FXvekru++rmXiKDlUggyo Eb0vSF4yYzQ5O/RbzJnB+c0hP4BjxopKwaM1x0dCUsjrDOSekesF5uL7urcdE7ot qSqd1tpudW7Lt0wDLNF0dX8WEYV04wJV3rPAI0uD81S8wZbGRxcF3kYZLNQB11Q= =+HTS -----END PGP SIGNATURE-----