-----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-cakephp_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-cakephp_14.1-1_amd64.tar.gz 9087678db80db5efc7579bacea51203a $ sha1sum debian-8-turnkey-cakephp_14.1-1_amd64.tar.gz 477874c08bb7fcede5a4429d77b23abc666fecf1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnpAAoJEIXCXpWhbrlNH2oH/2YYdWuAFzyTJ2ktO7ym1i3R 2Phu7tIofr7ZlqFVIxFeO1xUEXOG9hyuZHZ4EwZ90tmLT0wbOiO4xyBtTYgmwFP6 jpaS8+hzwQ1qEzwtoN3WlUkfw1VFNVvQz0eW/5V5k2aqEo5D67sTsD3jgSau9lLB ecSxdGtP1a4PtP/L3vczedszoJqdM4ZCJJMeX2uDWNbOBpvGUgBojslaadAGJIg+ NZBZh88Xl9fLvOOIL42RyqS0xTUigbynZiqgBIy9EJA1gNYtHPaUCeFeu5SPSGMG 3zMp7b29HGtzlEiv1hz5LO3Lm8eKPDPZ4y/BcrySBMf0Hau2tb1NhMCc+cecxHc= =hsjc -----END PGP SIGNATURE-----