-----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-elgg-14.0-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-elgg-14.0-jessie-amd64-openstack.tar.gz 882cf36dd3b06890c2cb7f1f6a546150 $ sha1sum turnkey-elgg-14.0-jessie-amd64-openstack.tar.gz b59ac2820f676ce64f5911b3822d8f8b5b7a0c91 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG9AAoJEIXCXpWhbrlNbwoH/RbPpb+udIVKUaRsqDkyVD1c rNNHmKjekOARahuGUNDPW/3H//1jpt3pDicSePUnIhXt0gOWfBYM8fIeElYDoo4q I4YFKq0rreEWWbD4G2kbtGDJK8mC+9IfzHYVZ/hvAEAC9Msw2zh5ak8BAXtwTVHa iGbR9ro+hv2AJH7UyadkIf8CVEDfBoFewOYQRONcgJ6xvK6Q8+/0t0MPvMqhuv2y nKZqRxW8qmkfsoenNi8t38eAtDCnfPwIxU4WnSAeb5Jz/A3vXNsETGNmpoZwMfJt 7xupweZfDFhuD74MrtNY5M6maHzV6k1jG2j/BD92Uo9irGIGkD0DrL3hjWwnk9c= =0WMG -----END PGP SIGNATURE-----