-----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-foodsoft-14.0-jessie-amd64.ova.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-foodsoft-14.0-jessie-amd64.ova da46c4ca6a3627a1a881928afae943f4 $ sha1sum turnkey-foodsoft-14.0-jessie-amd64.ova ac70dd3fa2602c8cb28a35e0e9c21fa7b02256e9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdWAAoJEIXCXpWhbrlNvSwH/Av7j6l4c5P7OXbdgtKYcNHR ddDi8OJMus7yHGe+crfJjaI+sozFrFSkRCmjbufXjfQWFKJDuF/R3y+x+Gv3+lVf PDQIcWe0uS8zEXuJdjRRaBJ76A8kUd5wVwmr/h4jtylSWDXAa4Rnyk6US+H3savW +hUyOTKEmitVSu9zoViJrlg7OBuVtMMNLXCp4LplhOuq6snrNoZKCBl8tpU9lXfj meLbjOEm0HScoN1CDCE+TyQpa/Pls/0tC74DVHK4dIQoYzPerrLT7BuzGMBTkEp7 jnv3NIfQVK3TVahjg1UblKONJeAt1/oPnP5dzVnHRn47Kq5hKB+3xkIUnAFXleY= =3weT -----END PGP SIGNATURE-----