-----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-cakephp-14.0-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-cakephp-14.0-jessie-amd64-xen.tar.bz2 d1e4d53ba0695152843d0ead5fb08aeb $ sha1sum turnkey-cakephp-14.0-jessie-amd64-xen.tar.bz2 bc8549fbd1cd8222385a96a828e5c1127f4e8fb4 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiAAAoJEIXCXpWhbrlNYgoH/j9rEreDM4JSl4QQVCgnXgez EVtTzCnoJHFxsuTO3bTF954vvMubaLV6xA2HC9V42YYXW4m15zhcPFi8Z2ftNpwu QP7lPhLC5V2974FcCFtYzH/2o7221ZWSYXCJFi7DSzXXrzRfm8BXixUYdOTgvYZT D517xFSQatGTFPINoHwpvTAZXFqE0jggvjF7F7DGAD1NZXHKn0D9Ud3FE/kTAw3y C+Z+fAC01x77b65t2m6ep1dpr7wxOxPZvA7V86uYfLhRJWA7B93S60gtxyTbxzKn +MSI455TY+j1nQMgC0K1S+1tRp2ZAyqCAM/MUF5CCGgdRHpYuG16vRt+COFd3Zs= =tUR1 -----END PGP SIGNATURE-----