-----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 debian-8-turnkey-bugzilla_14.0-1_amd64.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 debian-8-turnkey-bugzilla_14.0-1_amd64.tar.gz 4bac7d6648845144163348caa303ebd4 $ sha1sum debian-8-turnkey-bugzilla_14.0-1_amd64.tar.gz 968e30e0093359928241f5427857072da1ae9a7c -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNW2IH/0DPy5AV0rqwgNfs2Uyydb4X T9aP+gc0g88DvqBEF6922N5ZfbuiwjoXfgM3+Uju2LgbHS60fW95mBTZY0cUHBTn iIpPnGjxUSHYc96kcNjM5Sb1kqcM3bYO3fBIK2+xgxVhvzCbd555vqKp0KpNikAC mDoYMpjZnu70sJSHpC4V+ml2bUXf8FQajCosvri6tE17iKouqaf6N7xPs/se8kMT 8sjBTCOFcbTDkmurx39qqqFq9GLsm5mA47Rm1OcAXlyZ/X2MBjcW8UWp0B7rXAam xc38wDSr8KXQk1GEclieWaWTDoVBfpg1RJRZsE85X9D1Ix6Yo75U/Vu+yXhcBDw= =bSyK -----END PGP SIGNATURE-----