-----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-torrentserver-14.0-jessie-amd64-xen.tar.bz2.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-torrentserver-14.0-jessie-amd64-xen.tar.bz2 e7331fd4ecf3a232426c5c4b0326e627 $ sha1sum turnkey-torrentserver-14.0-jessie-amd64-xen.tar.bz2 a1d554a9ab2bb4011d060a903b0bb7331d45995d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWNdrjAAoJEIXCXpWhbrlN+j0H+gJjnruTOPxNaUDA6/t7pAGQ 9sWvrkcU5LjvEg5pNM+6ao8xCzibf9UCnfRDRGqe3bIqkRBc6EV7BsaQsLP1qloD i47lo+hquEgm66kz+NQBFrF8xTcJe6rN0oWkR4A7A5sCtQNxIBMC+ccIK/b2e8qt 05qzWXeWjAMfRpcSjfpUPTpHbImcro1LQ+4bTWfGi2I32sfc9+c7DWAXmMtPj3jg HX/WwEY18+TfccV/Z8UPqbhm0fVqdQNDpMzK2nWAZkQv29BvtUA9Gm3TG/ykt7/R lzD8m1F7ZvQQkTTvh+qo2MbeNoK1WMUhXO9KrT8MuZA8mQX6jU7Y23thNBVbWCo= =5cNc -----END PGP SIGNATURE-----