-----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-oscommerce_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-oscommerce_14.0-1_amd64.tar.gz 9a22f2855e5adbb7a6dd6cd78f213c48 $ sha1sum debian-8-turnkey-oscommerce_14.0-1_amd64.tar.gz f617194483509b6ffcf4823bc4e5c2fd78485c36 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxUAAoJEIXCXpWhbrlNQBgIALWqQXkErKpxgLEnZFW5zVw0 Bt92icmrXbHInJrm1b4Kk1l3KmeAflLGCHZTYJF6qFz94hDE4KOF525JxyKs4EtT D7U1ZIu5ZBd/zYhIN5xt49Jj1K8AXduEujFdx4o1rZEEhGj6VmJ2kxxBsq18NMWl 3EEFyhcLBA5G1sVQjr4nizkcBwTxY7siLKNCjbw1r+eScxW2h1Qtcre/20bczUkM GvUTzlRCTYOY/zs7vekX2F3FqpuwYymAt2mELZRSKMN3nmatqPwSpFj1j3+3/2la 2qUWyd7BX9xB/iiNvD+diWcnt3otcEF0iO5KX2fnpJlhj4qFEQzjsUVIdcr05SQ= =T0+c -----END PGP SIGNATURE-----