-----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-mongodb-16.0-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-mongodb-16.0-buster-amd64.iso 312f3113c3d91bdab95dba54ad18c5e59eb08f192f1f44f4643186f4e27dd362 turnkey-mongodb-16.0-buster-amd64.iso $ sha512sum turnkey-mongodb-16.0-buster-amd64.iso 374c150d182f029077b059b57687243fd75c331d316652a4e2079fbb5785398fac05e439993c2d1d34d0994b1b9bf09e1872aa6e80531c73349110815805af2c turnkey-mongodb-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mongodb-16.0-buster-amd64.iso.hash turnkey-mongodb-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-mongodb-16.0-buster-amd64.iso.hash turnkey-mongodb-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8UCgIACgkQrF6wBJPl vBzjuw/+OGaBshslosTjLyxyC+iKAZUUxl0cXDqngYHnKyTjhdVRh6jfAqqchYzf /EsSSeeDieDQvre+WMFX1W6LonHxOjI2RE+kK+wnGP+0Ct7zqzX8HVQ/ajj5UaTU OoF0ZZZtNa+MXBmLXF0ts5Nc7TkmTFyiNY8ciezP/tWF+8uXNBh+h4Ef+mZIw+ze tm6z78RxJrpikbB64or1IMcynNmleHT3EPNNvcjr8XFVNRYIjrrddx6xt2tpZz/I 0dPL9KKF24V7EE6/rwZop/S9C5GCJx/ZBFWKUQxCCFCGdspi3ilovCMYkHz4H3eU JuT1CwG+9bLT5vkhfZs0kMV1h+fz+5yXGIHqq7w0npie2HufpT3HYx8AgwuzDW97 35I0z3XVedJa546MLu7osGVqR0wJsJCTKmFf8i83Yldl3Hjf7eCIqNg384VGYo+h BG04SnO/KW2nEhJxVctUPC3QKRbX0HWw0vWnT8tqyxySSM36vNbfBpzyd3infz0t FhzMc56mEQqM5ghvVWszVY2xgBl4ywVr/bfimPT0xw1tqIayZG5yod5xnTKGSD48 6ETLFP/4RGjero2Lr2YqbNXP24SHKsh99v4D2CNhA2g475Gxxiu1mEPXfmWs+XAI M/FsJvg+453qQGgcyOFrFGEg39l2h48BXNQ+HM56XicghJUkunU= =rLzw -----END PGP SIGNATURE-----