-----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-14.0-jessie-amd64-xen.tar.bz2.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-14.0-jessie-amd64-xen.tar.bz2 5852167df234ed67ed5c312a3532bfb4 $ sha1sum turnkey-wordpress-14.0-jessie-amd64-xen.tar.bz2 6463f279d6660aafb1d19dc2aee649b49bef1d4e -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiDAAoJEIXCXpWhbrlN2nsIAIViIkdj2eoVjgqWL+PYIYJa b2LxQheZrvxzAr/lPRTIQYDzdYyJldZspNLGSLEyde3hpKgkf2ZO75pPnKYxUUIb +IziFvbOf6sU7i0CKrz3MeGLc7FyiOWH4fWBuk9Fwf/boZe1Ld0TO5MhNxHmkMlu J1W9oMTw0Ty1f+y11hrH2cAJwKc5uyy3da14m2Tuhggh6xuIKtlv0pAX/Fh8xSUV Z7tkzuqbjcZ+B43HI0EGkuHDdz5ML+NZd2876PWyZEB5W3Nj+8k0b24WQLNC/T9d QhAjjjebPuQ7R4QHOhdh0MURukn0XByoT2tKLnjtExMSyvBwZtsuk0WOcuMEB4I= =EBuc -----END PGP SIGNATURE-----