-----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-drupal7_14.1-1_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-drupal7_14.1-1_amd64.tar.gz ebfb0f6b0f1174b3dd4f7b759885b850 $ sha1sum debian-8-turnkey-drupal7_14.1-1_amd64.tar.gz 972b9bc8d6085327e093d5381e0387d1304e2890 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnqAAoJEIXCXpWhbrlNA4gIAIAN2/rRJOJ9szLH+aYe+Kuc nSD77l74puIf8ubYZ7rkzH7YxJYqBbtyy07SySqy2FdJQiTp/6AqvI5Ys3ICMYGL 9z9Trxo3aA8lEwQBASuSC1psNIPqRAf/a6rtTqi5rox83atvcnK+0qwAlNwxmTWQ mGccVcWLk+sYLp+k/ezM5KPQ6wBzfrXGQ/cEcp5WI+KEL2qPnXKC6MlPJ6QZbPxv nqnyZDfADUD51xO1sN/P8WcpPW4e3ETtF1Xjg7kewfvklTcLQVnhB4iVoHFdZbCL r6senHVI7mP1XCiMENAcEcrSlit/377jP6nB33+nK2GOaTZPs9MsId2UO+C71ps= =/fdv -----END PGP SIGNATURE-----