-----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-bugzilla-15.2-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-bugzilla-15.2-stretch-amd64.iso a7487b06a89a82b673546eb4e5b8b4f7180554cdb6767f8897b602e0d60090d4 turnkey-bugzilla-15.2-stretch-amd64.iso $ sha512sum turnkey-bugzilla-15.2-stretch-amd64.iso e4e3ef7a33024a9afaf626644dc066966d66425eae4334e116a27e4718bc3796e65218ded88c5667bce83a52165108fa966e6691e52441b51aa8187a38e75e13 turnkey-bugzilla-15.2-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-bugzilla-15.2-stretch-amd64.iso.hash turnkey-bugzilla-15.2-stretch-amd64.iso: OK $ sha512sum -c turnkey-bugzilla-15.2-stretch-amd64.iso.hash turnkey-bugzilla-15.2-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PcACgkQhcJelaFu uU1LEwf9Hy9/dtuvCqMuMGVdMAgLQ0HsSRwaZ1/INiYP8Kc0t4dFIP+4WoNg8IGp ADGuiU1jRYQ7r6jzu5+14dgIku6PbGSch602K7OL0QrBSTGlSNGPLfxbH6VGWsKD q7qbZqqpNHEK11N1d1y8x5uAPBr1JuXLnL6pi/Az7txLzzJfpTrfq/+Tnz8LAKCh ITviz8UObwdMSwu7mjwjktANrUvcZfWjMMbFP+amEbGsJ298LfBETMmp4X6K1NcM DhP+aWV/D2jFUnCPsRao+4zDYsNsq0g2GgP0ZbNI8XPRsFwfqZzELUYWEcbdIlQd Fn29YZHP/v3d6bFhW66SFU3EsDk/Ow== =/TnS -----END PGP SIGNATURE-----