-----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-asp-net-apache-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-asp-net-apache-14.1-jessie-amd64-xen.tar.bz2 6c2c45ffaaeb8fdb0e5b39aeb6ed58fc $ sha1sum turnkey-asp-net-apache-14.1-jessie-amd64-xen.tar.bz2 6aee57fb4d122d97c7f26fc1177fc5d2189519f4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnwAAoJEIXCXpWhbrlN2AAH/1IuCKWnQvQYlW6pmNzXKUHy 2mc7tO4ugj/h4v2R+MhoMtkSpUesIBGg73F8rTahq2BvCtq5hXUisg/0iqADZhEf WPZT1fVQtocYS3HDh9dLbBV6hGIVN2iNlYz/hVGc0hP0bXTU/q5DqASo1pbjZPOZ ozT6FiK4Glnun3+lHJ1kdmzGI4hkmyh98VTN15wXpEm3yyVlu+BZqhew649BvWxA a/FEwCOIj0ZK9R0puuRQBWhxQFWVZ+DykckyBvfTF2HzT1mR5VmIMUl+oUhsiBHA b6iFiBbmcbb3Cuymy1EovkTI4cChWmW2G9dWHAlc8gWeuq+WeDPF8rg5PQc574U= =8isN -----END PGP SIGNATURE-----