-----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-14.0-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-tomcat-14.0-jessie-amd64-openstack.tar.gz 113258a4ca2b61c27ab77ad7755f9dcf $ sha1sum turnkey-tomcat-14.0-jessie-amd64-openstack.tar.gz 85e27882afa51875f9fcf4b06ac9d14fe3955af2 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG/AAoJEIXCXpWhbrlNmhEIAJ+AhSEXhrClIr3lIAu0wmQk chuo92vvawqIOUxcghq4RXR6idi7zD6sCUZ3YzbxajFO2yDfmfFc4kFrM8q4KQsy Bvtx96KK9lYRmCa92q/Giq4B9lmTLt6sKV8vmRhhG+e/WnCXTjJ3xHSA59mC5qlI Al8oSepdvj7sJHTf8eTBPFWJt56zsb/7RDc5q8Q/Oua1TXKRhd1dGH/nz9ESN5y8 B2wvzW36KRZ4QiuH/eWaVkuvTTIZcVx4P3D89mvImiKmQOccyXMLwd89ckX7hMKL 7IalzfdH0l4i5kf+UG7NQ45LPanmRTsVGIeKXi3wDzNLfsYqNkBFR7jtAKUqzPo= =Mta7 -----END PGP SIGNATURE-----