-----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-14.1-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-torrentserver-14.1-jessie-amd64-xen.tar.bz2 1d5fc685296e7ca103a0b24b070cbb58 $ sha1sum turnkey-torrentserver-14.1-jessie-amd64-xen.tar.bz2 9f2899710e77e05cb09eafb81253b6291c5d9995 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn7AAoJEIXCXpWhbrlNoMcIAI8gOUkJfggCsh7Xpy9pwVmd wU9TARURibBQ/b70YGEtuDQ72J9/ElhCmEex8hmAKmYARLs6pOLGe5DzYjJ2IUvL GbpVuWn6W/evDivbGdzKCP6a6E4bbIMVjfYH2dD/bUZQA+xYwsr9nzWwYK0z48Rn PQfQqjgxP66UvHqi8ra0fWfxlAK9g+YmtU8YmNvKusUDwNk9ViTuXLDq0MvmkRyg vPdre80Ic7dajY6pGNx5YynmBF33a/gGzL7H4JUJtwpr16i3soKJVYHhRuWxoEv2 6aVQ6YmyrwClZGrpI2D+OpvM7fxHzPe8f6kj7RbtY4ZlhgaF5oAUdf9HNHIY+aI= =Yopx -----END PGP SIGNATURE-----