-----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-14.1-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-cakephp-14.1-jessie-amd64-xen.tar.bz2 85e31c5c2f14ec2e2a318489e0192372 $ sha1sum turnkey-cakephp-14.1-jessie-amd64-xen.tar.bz2 fa33afa96b2b31765267a347cd353e4b0dd41c6c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnwAAoJEIXCXpWhbrlNy4gIAJRl+q9lGzMdzfOW7hIrCszF P66xZ/WiiEMLcap0YlchYBlO3DCelQ/UYPEsTJmWm+8QIQ5IVXxgD7RdSTsKfh+y UgMG0S8wztvuE01cRY11iJ/E2rqhDL30ctHvZhEJkpsM73SWQJF410SdPn1cyL8K B3ZXFe8oqm3Uqnp7GV+uI8VBkYFp/xXBn6BdpmvnKh5cjHsc+si1f010o2Y5c5P8 iDGZA+IddYCkuzV810puTLSmHqlZPiLITlheA0LCXiOwcGSlbeUESrxLSY4tHDp4 GLSw8ti4a7dNFKoFLQ0rRNjiOnvbmAXspFks5dZbxVfV0PMnx9jW1z575356PNE= =pzpS -----END PGP SIGNATURE-----