-----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 turnkey-moodle-15.1-stretch-amd64-vmdk.zip.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 turnkey-moodle-15.1-stretch-amd64-vmdk.zip 71375a32f279aca3a1b8bf19a72efefc60ad20e0231d2251e722507241ccb26a turnkey-moodle-15.1-stretch-amd64-vmdk.zip $ sha512sum turnkey-moodle-15.1-stretch-amd64-vmdk.zip 31592a747dc9acb9a26ccc1ad9c206ae884eca1abcb7cdc4164ac7b19ad3ca467cd734699f9783c66e60a4fae30c1877dae8be844b882f427843a9537ff37799 turnkey-moodle-15.1-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moodle-15.1-stretch-amd64-vmdk.zip.hash turnkey-moodle-15.1-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-moodle-15.1-stretch-amd64-vmdk.zip.hash turnkey-moodle-15.1-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pisACgkQhcJelaFu uU3MQQgAtc49A33EWnvpuQ5oKV72NlNYJaKFIYRMpYAcrnqJqF29j1pShlhZC8Gz OkkoxRFExchDfK+0pGUilFVlv9U7HfdDaiTm7esbV0C9EkU+7KS1KeE5S+UZk2zd qryoVCLLA+UxpWPR5x3a2qNt7ZLJyQGaFhLtaw584vqQ8S0vHFOWYlagSh2A7RTb +NmK9esLlBAngUKLuYKqY+eZpcBLM4lQeCyeomXnke69tR35Nilre4afCwsGHywL 9nzpvHkVouqk/WZyHs7w91jPld5y2w38/xw8r1Httjel9oUIjihmpaOe4NZe95pm 4jTCSG681i2I1V/4mDZPQuQ1GFj2cQ== =2H0S -----END PGP SIGNATURE-----