-----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-lapp-14.1-jessie-amd64-openstack.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 turnkey-lapp-14.1-jessie-amd64-openstack.tar.gz 395916123b7611c0c0273c55212f7245 $ sha1sum turnkey-lapp-14.1-jessie-amd64-openstack.tar.gz b70bb78a36be9211bd48b63a4933bce8b1aea11e -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn0AAoJEIXCXpWhbrlNT9gH/iJs8Hp+iDVQxgPbjYjCw6W8 rAP25KbScXMx6zL0wEwW7kU17VxRv81Vr7MnMb2sT01PaFtYMt1A4nwpB2ZzRNwZ XkQwE2i+E3s4h4LWiwYjsztyMF45DcLJWSvPDsHdVy8pBEFhq27XacOdHAoYosNi w+Dea/z2Wed0Z7p5Ud4T0K3KtiRC159siBb5suLdqJQ9U/3W9H5eGZ/l6IIqFpuc Z0tbHEx702QtZRUCvcw19PxsSyhoZuiKnSGoick6yXKxy7qpLkyytAgDcbn83Ahe tI3VCJh6zvb2qqIvHdxHQioOx8ypOQLHX0phTPV6hOH/jMutxOAa80XFLhcjOrM= =2SHj -----END PGP SIGNATURE-----