-----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-dokuwiki-14.1-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-dokuwiki-14.1-jessie-amd64-xen.tar.bz2 df8130089c2ba64a2b5f8ebfaa563648 $ sha1sum turnkey-dokuwiki-14.1-jessie-amd64-xen.tar.bz2 f5cdd254feddac67210d3735aeb0f373edec947d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnxAAoJEIXCXpWhbrlNBxkIANeX54hhogmfP2K+98urhJQ3 d74AaGNpgR78PRZ9w8v7OR5v9fo/dy/lgzlksTBPKcfhjAnywJosBM9fr2nvIxVm r+ntozPcWoh1/y2ODz+3FTEg/WgPbh+y4j1lmfs2fZk0qJaiQJAeZog+X2Qv2hdQ 0Rh1C7xxrNs0BAqHvFu/qSDckB+5atAph35xmAgQORNteaMUiNA+6Jz+PwNOxR2h JcDQnmq5k8eY5deKUJoHMXmaTOpYyK2DVVXKg+DY75bj/6ydHYCwV1dKrIwEWu7O KUOfTEck2vMKBkrPCgYVN//D/VmI5ALl3v1LjAmyXxv0ZL9DQYjr3zSMoD4y+mI= =xD6V -----END PGP SIGNATURE-----