-----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 debian-9-turnkey-canvas_15.0-1_amd64.tar.gz.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 debian-9-turnkey-canvas_15.0-1_amd64.tar.gz 1379a47670bcfc5d9bb04f4d36efa53f2a8b89f5bc9d5028188bc9cd33199568 debian-9-turnkey-canvas_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-canvas_15.0-1_amd64.tar.gz 0ee24c5efc77d6771d7fb2fa4642bd5835cfead78f0abe5d5c6887a7d30a6289b96f4be19549137052f67cfd9584d3f18f6770340b67ea231f97512e79e341b4 debian-9-turnkey-canvas_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-canvas_15.0-1_amd64.tar.gz.hash debian-9-turnkey-canvas_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-canvas_15.0-1_amd64.tar.gz.hash debian-9-turnkey-canvas_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOgACgkQhcJelaFu uU1W7wgAhELr1PV8VHNOBX/06rjiNWm5g/My9b6XWGMBmCnCcoV80MhyRv0KR6O2 G38kBzVquWb342Rwy7QpXAl7hQzTT3JXAm0v91qucCQgMY89z3wjtvVtzziP/VJV GrqbXdaAbbjcalsKKUhpWoMaHe/vGFULv4EcSfRHlpNL8UadCLqq48OY+MrJiR7F jWIBYMnVEz00Ru4/fC6iC5Nfqma99FGRBSjLUwSBpvYaMqI3YltQt59yc2PEZBFv eUVkkCF6xUGvkNUKvpG92BAHSCf7vAzLH99neblGilIryX3RFS4CyVf+1xkNheol Tya+JNH4Rx0Fhu46nLgB8JjtyrIEQw== =oX/j -----END PGP SIGNATURE-----