-----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-web2py_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-web2py_14.1-1_amd64.tar.gz a1fa5148bc6acf0d812ca7c62a723d1d $ sha1sum debian-8-turnkey-web2py_14.1-1_amd64.tar.gz c79a69dd013eb8349f84a20020d0ce649ebebe02 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnvAAoJEIXCXpWhbrlNu3oH/ivixfOdRpdjgPoaJJOaoKc9 cwWWMU4H7qJey4N+v8yeVL1roy/ekq8jU/1u7sEttwrzsARr7sCeigxOI0JkuY3B Gu3bWeTcoA27SgwCETxOoSkCduIXvV3UkN0+RicHBxqcIBaVnwz/j4Qb5egrd7Cp 3nZEqgS1jh1ogzVuEEmYm8CRgyJRvdwIAqIBLcn95TFCApQKPRrerqps8JegVOvm l/zNQJ8Og4M3mqF3dafnzkRsHQAYwu9SAszTr78055rzfZYGmzx52HP+rI6OgDaJ fKg/mebm2vwLTlaLiHd1K85clZ1o+n1JJpFYUL7noh01e/MRQGv/J/tQHGs+pvA= =PJjD -----END PGP SIGNATURE-----