-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz 5f78a6a1d43e31b0e89ce37b337670c5eb2b2b71af08905c43e0e920cfd7efec debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz $ sha512sum debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz 7ca8d977eb41fa037de89d2cc5e5e26af3072591cd040460b48fc9109246936ff905d8a9c2c8f58b7f183c75fe1096b6ddf1b9ebe97a4b67af0f4f422f861272 debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz.hash debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz.hash debian-10-turnkey-fileserver_16.0-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8UCfoACgkQrF6wBJPl vBypxQ//Q1+zTnMSp2rP1voohgiycnzjtrzxxHrQeirpc5zEUv9FIaob1XFTxm8R FZ7FtEdLqXbsNxZVwUTUjNSuW6VOqqfoWIhP3OB9W97wAk6ft4qCRAvKxPJyaj5i QDwy4TI2e7W9J8yzr+ePwfKtcPzUs1qyIhEfbL8wMHU8TECsYLjla7+S7wTTQ1x9 GDYlru19dXill1Tvq5x68HryF3NZer5b/bNwkVtzxi8n9Krpnvwpr1+IiwhXNxxS JLH1CRndHB+AWBl61Y23DpipnyY8/2ffg01C+eCcEO94Zjol1bCFjrV+eqnpyEvz n5PvrDOn7uqRU7cBSN+qrUfczHcBEOOpLV5hnhlKFXyIWGvyjCvTbCovLyaBvcCq +iz3bF9AlMU9vaLV4tOEFQxTLh5Z8KqsL9bIm2DUDHM390YeU6VxCj4DcjRbDzvz 7ci2eVffm0JWuY422eO1o2DUYXiBmhZ9P/c4IAEAeGiSFVYJw/BSmk/nnfcbFrye EPCQxJg9Jz/rlQgk0w2dwk9xGhhuRdRblwCzYpZzVICVphoiCITNxYlVQ54PaTpU FAhc3o0rCrmZuyeL3nZI/9tGHThZnSfsQsKL8Zf/62dfkZHRrwMzUz8EYKOU2QZI 1v/sJk2bGUWvPNgvNrsX+EyJLwf/atTVwfk6Splqqr9E18Wyiyg= =8cl4 -----END PGP SIGNATURE-----