-----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-ghost-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-ghost-14.1-jessie-amd64-xen.tar.bz2 480a8c27724c5bba10b72e2c231bc07d $ sha1sum turnkey-ghost-14.1-jessie-amd64-xen.tar.bz2 e57fdea640466be82a478cdd3b4fd194606323e9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXRb5nAAoJEIXCXpWhbrlNcNQH/2zt8njnHSxKU3BCVGaIZPG+ 5cZB7Yf5c2DS4M8QnPNHEq0IrjQSE8FHMvlHqa4YD8/+qPTd9rvotZFlmWmJm55j HqyoD/dwDKjz2JVIjOB0XLD5A6PbihIhE4TA3xbWfAIxrNPpQR98NcJexCXIr7Is 7Mu+TCVHMr8kvCi5wPYQdWgAJMbcqWMzHIyVEeSu9tTFVUuPpbtuXRBfCifK0cGS ZDUdWGUs1PiynSXYABLleF7wRgsAli+WEENeHr5g01WRRD01qr1dJ0FwCRSBhTgu c94iymGdQcTswdYyfn6xiviXEP7OsrM/3mWn+BxoNXrqC3Z8agQsNEKQ2BcCwXc= =GwTX -----END PGP SIGNATURE-----