-----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 turnkey-vanilla-16.1-buster-amd64.iso.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 turnkey-vanilla-16.1-buster-amd64.iso 947c27f32953d589ecbee9bbe9d0143f7a988cb875b5d1624c8c139d69117bc5 turnkey-vanilla-16.1-buster-amd64.iso $ sha512sum turnkey-vanilla-16.1-buster-amd64.iso 7a25fdd0ec0275718803d7bc11ecf66d611d3499056f46aa5cf124abd10774b4e6f1cad82af7f4dc936a45804e93540ad3aa5da8c207c17d91d86363c2accf06 turnkey-vanilla-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-vanilla-16.1-buster-amd64.iso.hash turnkey-vanilla-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-vanilla-16.1-buster-amd64.iso.hash turnkey-vanilla-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmBh2OMACgkQrF6wBJPl vBzmnA/6AhydDG54AZMF0mD8Jpth1mJkcYgA1GH0NOhkwi08sMqK2pyvuaWDhYoK CaLGOf4CL9HENwSQRPS551dfq4Jex0qEz/+dsSbPZ9ePjbUwXd6hVZbqUEvqcNeY f1YRLbl/y3fQRpniMSdMR8b8myPO0HYVWNufUq6mubzn5nGxpsyzEUo3G5zqTD2B 1pmqnLk8UXNFy/e9n+CV6VG9dMVuFAp7I2n2zj2x/LS6NxyE0O/gXpxJLXU7L+Rd N0EAAK6JULZCIDSppdjWQ4vLXnnVSd837QMvTs7p7e0Xi7MUv+XnKcLK0/iBDfLy eXGrut/WIe/9WESFMDgZ3QNbH7DeD+bYJ97UgKjHiUmYBkYGQbVgh/urKcOWm/v1 /aVauBGZ4iLc+3o+0F8NAxuh6mebbnGbXf4k9WLCdJQ8Kkh18u7OFWhpeitklWt1 29jmm+NZ4U47haaeYLfXkfA0XTS9Tn5CNwtvCpNQOtClZiOsYm25zebJpb7US9t2 5Sdmx9/Ca22Jxh2Oa0iAwuAu4Q0w5gP3G+CKknC2vs8VY2H9tCwP8wnvcSArSO95 580v6Y2s7VFHGKoBKWgwR1u2sBD9brmZo2cxDjIsMKk6XiZcKCGc5H64fA+2IcnV H+yyD27KlU3yZCkap7liS3aDNqmTKNcwERdxTvjcaf4ZzWVJbbk= =c/ad -----END PGP SIGNATURE-----