-----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 turnkey-wordpress-14.1-jessie-i386.iso.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 turnkey-wordpress-14.1-jessie-i386.iso ad0ca6c8fcc1b5d869b2cce1e7d4500e $ sha1sum turnkey-wordpress-14.1-jessie-i386.iso 9e6b450e42442c7ef405d30383ec8e0fdd06319e -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXCkP1AAoJEIXCXpWhbrlNoyUH/0WzGcXkHoo5tz8x5bUFcXki kE6s8j0Z01rn98+YIzOvwCb2ekSAOrj9zvXW4XrM+WNJl5ynhSYWWSlD3Y8k2oOe UwBiMKdEwMFoPqE9kjaN8jOSmfog9HVwb1CMpZzC5gd3mOiNpBAjSFIHl5bLxaaY zvlEN2hotQqXflIh/T2gW9U9pVIKLlNenbmFmOyy+8n7uEQHGIU40qQim2D4g7qn Mot6Ixez3pHYgVNryRfoW7GLTLALJxJasXohD/5uknPfJ+oNVMvri7dkrw1gCLYx t3v73d3klwsDEl5yn2H9/UJ0t3QEsT4SHgKzRlCWlRASY6cYftIa/4wVpRifSDs= =RybM -----END PGP SIGNATURE-----