-----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-tomatocart-14.1-jessie-amd64-vmdk.zip.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-tomatocart-14.1-jessie-amd64-vmdk.zip c12dc234745502f2c8b0ae7785c68c64 $ sha1sum turnkey-tomatocart-14.1-jessie-amd64-vmdk.zip 9cbfefebcb330eb6b91606387970b0767b1218cb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn7AAoJEIXCXpWhbrlNRkcH/A7oXjMnFIFhAzXYhCt/dz9S CDIMWgeOSWvdLssNN83067HttY8FEb6Byt7dT0SgpOCFMhA2v08pt15Igz0BJbGn s3ypBLEQ8BuGSk8Sf7mExddht7eQUIPd1HA3AR3JAUE3G+RK1NVSgZefeZksldA2 Wl8tpHxm675XkusemwTQtNFhVAv5T9JqNuD8+qIcJl1G56a3Cc4uuxRB6HVphCw9 VoubtPaQ0v0jDwFJrcsePCA19lLTdaddKl33MCiYyzUzWCYMgMH2wWbSyEiBmJ/z ZMuv7eVb+uNa3xjgO+Wj9Jbsi9Tf8Z5Amv1giqY+3Dc00/UoBNWo6h/kWiBI5Mo= =7RIS -----END PGP SIGNATURE-----