-----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-pligg-14.1-jessie-i386.iso.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-pligg-14.1-jessie-i386.iso 52dc1227eb0a3033629ca9b69efa8ef9 $ sha1sum turnkey-pligg-14.1-jessie-i386.iso cfd6bc97231a6c0eda7b602593a1b21b7d513af1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkPzAAoJEIXCXpWhbrlNlY8H/ihOreLozDgdisiTVcYbzJmK gZPYLDNWFrkAiE0ZaeutqkASQR8zR2w2zJg6jUvm+72irKuIYq0dYNUJWTL663BQ DQ8LxICJ+W6NUbNbJX+nhe7IbwPjx9YdA7coElXDrc+RkfiL6YGpr9lGdJjYcxLf UdkIavlFeAHQdCA7GV/5kx6EqWxKGfD4d/MyEP8NKNP6dyl6OJfeKbdAlgvmk6rv Wsth4vTkHzGpyF6ziRA7bmMkPjF/OyRc86IDjaKYphOb+NVGIcuYnukO3fyNcsBA I8Px18ssVvRQHZJK8F9CycmY3k3jTg2+BNTN3Uq4YxznPiSlHkwN1UlhZ6V4uZQ= =L7HG -----END PGP SIGNATURE-----