-----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-elgg_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-elgg_14.0-1_amd64.tar.gz ded524bd54c6aa2fb10def6242831dc9 $ sha1sum debian-8-turnkey-elgg_14.0-1_amd64.tar.gz c7ee98dd85b0429dec02d4862a8885039b5ed649 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxSAAoJEIXCXpWhbrlN5FEIAOEzbjex2reWrwa3oyIFRuvn E8wz/yJJ3wWZMH2xRFqUnvuAbbnlo5XOFVeYR6LeqIZxrzWa5y6fdqa0n2XKClGM T6t74T8OF9UOgjBly0qEXz1OtI8NMC/7uDNz/oGyR2pIhGZ8ZBQFIAD27Gs9IN7C WrYlqPPekZ4l2zAeF4PHF/xrW4V/uK9AGZnpNObUtPVSm4y309TRSr3aXntjPjEe xEmhPejId78P5mzD9OA2n1I6qBFLzcz62nGPICj+rkA42Po7VUEIUbq9yySEiQ0H /1Ck53B4FMVbxKChu+gOzq+ZVFNuWwKNslwf2ZralkqN9vhxQl5Qxkm6pi1o8n8= =6fEX -----END PGP SIGNATURE-----