-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-foodsoft-15.0-stretch-amd64.iso.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-foodsoft-15.0-stretch-amd64.iso 4317a8f067b85965228a7a94a6fe704572a6a3a916a34af1de30d96608dcd863 turnkey-foodsoft-15.0-stretch-amd64.iso $ sha512sum turnkey-foodsoft-15.0-stretch-amd64.iso 9fd33addd0ce373490b52eaf32fad76239120e43ff23524a6be23fb6ec04e76f16f3a6df82c069a421dc0498700caaea26cf104fdad57aed653cf92fe68d616a turnkey-foodsoft-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-foodsoft-15.0-stretch-amd64.iso.hash turnkey-foodsoft-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-foodsoft-15.0-stretch-amd64.iso.hash turnkey-foodsoft-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/ph4ACgkQhcJelaFu uU3nBQf9EEy8XiHVe9hnxIlHMxfX27bpO4yc0XgkIpYOw2MufUyWB2VXRQ8VgdTJ K6/dsIspUc5kvBQKXpFleFgwTBbDHNNl43EoXALXwrUZ1Da3mwgH6j3JGJlnkLbv m56X0mqGYBXq+p589JvvDrTv2yMdT+dY3u0Ejmzj140fwy6XFtJsVKKkIhHSPlBb Z2krMZ2nfwSsDONw3o4sTYjC6K36y4NMneueoDrcTiti2c4yrR4L6swGWCofev4d xQ3OJ76yfAfnzBnbbQX7Y5EYFnYtQj3Yd/FShnrrfa5jgetFiPwg5SZIKbnlHuwC y/za09ujLFPVypQQrFsOqwVCudXDnw== =YS5X -----END PGP SIGNATURE-----