-----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-tomcat-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-tomcat-14.1-jessie-amd64-openstack.tar.gz 281825eda12db959773ccd2cebde0948 $ sha1sum turnkey-tomcat-14.1-jessie-amd64-openstack.tar.gz b94d3875940fb204735621e988d07b7475b67772 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn7AAoJEIXCXpWhbrlNG1MH/3hg+HVhU2JDb+MDUrq7oU2Z 4ErZdcVYFjXzrcvgcUbyfP8VUHz5r8gChjVFdTBr6wrBLQsV+zIrNgb1Ipqu4dk2 PVhbLcWOdosjeOidNEnwJmFrM+vbQauuTOj0wxnHMCJJr84paPem3mCtE+bxH9gG qH18Tf0HnTYiaJADpROpn/SOjZIPBP9o5/Hz09ZZqM1MGJSTcOQr0Jcsy47+GdNb PjrmQiSmsSMPgKELloBxEgmi4aAp9OJizo0MWF8wTqjvsQ8WXXON0Qp82jMZ0qez tAQMHfrrmt8nPDrIRU775XsWFHftEtl6SQpfRBY7MOp9S5ycfBAI3tnPb7/Elpw= =JABV -----END PGP SIGNATURE-----