-----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-dokuwiki_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-dokuwiki_14.1-1_amd64.tar.gz 9efe307a010e1f38436d99adf00b54ad $ sha1sum debian-8-turnkey-dokuwiki_14.1-1_amd64.tar.gz 3d7827cbfd7fccf158f5fd8f07b5186e162ab9e5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnqAAoJEIXCXpWhbrlNVH8H/iKIUnTzmJ6rUtIy9X5/2Zn3 i2wOsbiWKVhZLaQsL5lzxFSImI1fi8dSBS8y1vFjxYcWhqd85XnCu/8hiyGuCorL pTE/zL5u5rPpeoTviWTVQ9I/b54XESIO5EOno7o+ZcUCJCIbm3WotiFfZRLRWnMH L+bnvGEdAhVg2mE8RRBaeUYSh4MyvY3Avwy63DRGFY5QXdMTcpJoE3wbJ0FibJ6y Q87mBM326huJ+SC8on1zPB5cdQ04PRdevH3xlXIH1ziwoKFU1rNCM87OHwnaJLpH 5YYyhYk1tTLJQKpfVlRtpFsVXA6LYLxATjMb3aDTkFb4H1quF84VAf9umjNYxzE= =UTgR -----END PGP SIGNATURE-----