-----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-16.1-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-mongodb-16.1-buster-amd64.iso 7e16d1ad78dae5acb90127b6b9fe042df6844284ed6324453f4859fa5ef91b3c turnkey-mongodb-16.1-buster-amd64.iso $ sha512sum turnkey-mongodb-16.1-buster-amd64.iso abf34cf6c72ed428e65d6460f8af9296aff1cd29fa3f1eee472a29c1210548d9bd89c3211aad3c77baa96d8c4d5feaf03021a46d105756cc4cb0ddc69f9df75b turnkey-mongodb-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mongodb-16.1-buster-amd64.iso.hash turnkey-mongodb-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-mongodb-16.1-buster-amd64.iso.hash turnkey-mongodb-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmBh2NsACgkQrF6wBJPl vByjqQ//S6GnVYn7BFet0cbvZUDoEUIiqRsxLs4A3tVBbP19kFB5OTvDVbvtGGsm mL/r8waxxsQqehAiisIP85xRAzdEuk4D04ZBorjq0aNJXZ6uCiBLyp2lUYt4bm0c zCKaB80IyoRVJ7qjsbcbFlp+KTKt9MAaYZ47/pvBIIInHXhENh2wnujruArg6D/P jeNkz17xN35rOUV9ReiYnTCc8Qm08h7LG8acjppiu+jFwyK9SmGLkj+OBAwgmHUl zYk0s92xGrD4PpiqeLNngfLtBElw4PcyW1j83+H67PtBPe8bNL3zbLlL6OeRVh9y IfcmC/m75l6XGKdlOYqv+it7oRQm9MxwGVWx9Y2zpt4f3NzddnEyNg6dngRNvVdk u6n8aeBHuYEfO5AjlKgRiCear5yLMqVDonZQ3zznABqrJNN8cw1lL0DoHJ+P5AH0 0bJpQbJt8V/wsaZqN9W/bwgXcMH4nSmCcBWa/S/OxFbeaJQSr6rH9CQjx3T2gjhs hIgJbPe7L7YxQwhZs9gSHhekKdy0EjN4ZZgN0suP0+KwNRQ0G3N52ReWzVU7UWbD z5JhEJi48MaJtd0cA98nHqnxJMzggHPwUKybhlXTL4p/2qeNAcIg0DA1F76N9Y8H NNW6X1+UJRR2WCdjXlV5nqesxfzRhzMQ3ogx+KBZApLvkMQh1ns= =NhZc -----END PGP SIGNATURE-----