-----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-prestashop_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-prestashop_14.0-1_amd64.tar.gz e8fac6faad4e54f1af86b88ae76efb0d $ sha1sum debian-8-turnkey-prestashop_14.0-1_amd64.tar.gz b564f8293faa5b8a1a8f45ac8c1f3599bc584ee9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxVAAoJEIXCXpWhbrlNdXgIAIxJQatet5MobfWHfp2roP15 58ujFWlxfbxTCmTEuF1LgFRG8FgYuTCkKp/whALKnXoH47koSLhtjfDgf2wae1Rm yAdo3YBD4vEKhQvb9NTBmxA+D7A1Lx2ZczwlRu1eicWxOhoZzZaVU0+6I1FwjAUT 4h2bfs4bikGhK8l//5ftSAuy6gc/dpKKKchsBNRitXvEqrRvyRPgosK652F30tHf czJaTI0hiEehvJBIdrDXi7QUVHGBOs+B8RXayugMKUgdH5BHjaVzJnv3MUgtXYh5 N77cUu57hTqtP+Xi7atqxxfirt5ALdQpYSAYfCWF3H/Qa1Mr83dYB+IIGNh5Jkg= =jwT8 -----END PGP SIGNATURE-----