-----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-mantis-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-mantis-14.0-jessie-amd64-openstack.tar.gz 258648ce33ed752600eb1f08d4a8b0fd $ sha1sum turnkey-mantis-14.0-jessie-amd64-openstack.tar.gz c503c9b17c90046acd64a0819492c9d0a8364966 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlNKrcH/0AUViDZ89LO5edSjmpX5PgR B1Yrzya2HjTfggi1xsFdBdtri7qrgngJduCcGHGYy8TirrZQ4/Ltq0CXXIixeUW1 2v+pXtqtTIXKcuFD1gkbBM2R0X2NwKxD68gVs9C1rYlNoYxkuF29DNAGqjEp7Osa ATQ2SRQR3WxmvvQQA9G75+nzhbdDMbjH6wovMkMzeGuBfUu7yRG0SVlKe9ZNI4Tz QWRcvyHR/ltDesUcyk9PSwse+/iFMO3D3WXbr4VwDcMOIuKQRDWaluT6MdDMDbxZ mrsvlBmToT7SDyIy8Gn9qinBEk1FjlpKIYQcgjckfv98misprt8pzbbpQoamGSg= =cLil -----END PGP SIGNATURE-----