-----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-tkldev_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-tkldev_14.1-1_amd64.tar.gz a286d0c2e89bd5c17121973c1568b278 $ sha1sum debian-8-turnkey-tkldev_14.1-1_amd64.tar.gz 58c72db4a55642f8bec9f768fb67713774e37b77 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnvAAoJEIXCXpWhbrlNHIYH/Rw1diiYNHZOr6Hbd7c6JGs8 QbAOPG/dnNhBqWD/nl0VSaH0csM/50G7QRVQQ1MJPzj+Wc4JzTjJ0vOte3Tn1EyD YKN7WIxOj+vuwJh0TUPwRKe9KKPOJ/hitiig0J4kCNHjfjKWLmgp9Bo1bsUKPwNY 8oL3oIOib4ARtCU9UEkNYsHpAKplBwgDOGp203Pm8usfzlrt2UZxdvoAcDUT4e/F L+7wWR5kx0YtFWFxME8xoplLYpHgoeURd+PjUCJqcD/ZULmTEtT5karwp7mF4PWJ TGKy5P/bwEPChUD0coHr1sKw4+qzKaXiJHOss/hh/yTv2M+mfRiAFflT9tyHMvI= =3qee -----END PGP SIGNATURE-----