-----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_14.0-1_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_14.0-1_amd64.tar.gz 9300e2cc81c76a0864a53d0b9d12d342 $ sha1sum debian-8-turnkey-tkldev_14.0-1_amd64.tar.gz b4ed3d4bdf077466618d41c34a5d86bb0bde7364 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxWAAoJEIXCXpWhbrlNFyYH/ilPHXovpESWvj3ESy2clbyb BoRAzf0j2a9h2fiX7qeHgkesHPjkwzgPGttXc+Mq/0KjHdiNuKjNmEDYlxq7VZII A4H/5/s6CKXWw3QKK1EQYhY4PCc9hBqrz8+6atkcakH2aYYJMGSMPQLmjK1wr6en rpnLNz0CcFFclylnPkAUCtGS9CVJr8e31lRqqIcXvGVsxXIR1z7dAqpHO63/tKKu SBVxKl67N8lLVHW1VSpnEUGsrtmv0/44mt4cJEbIg+A6E0zrwrAsWzPQKGC9j24D iqjqkedBfbvTpxAbDdXE4KGXfLbtZx077Z3eIUmrB2/GxyES2+1X+BCBKwSxWOs= =yxCG -----END PGP SIGNATURE-----