-----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-observium-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-observium-15.1-stretch-amd64-vmdk.zip 1ed964498171f21e44969539fb76624532eed8037033c7d98a5519e20f6259cb turnkey-observium-15.1-stretch-amd64-vmdk.zip $ sha512sum turnkey-observium-15.1-stretch-amd64-vmdk.zip b395ef0a222984d78177a20b25599720a5770e377204d61df24a4c58850a3e96edeb08d5fe60407697e3faf1bd2af45a120576170e6705a996670b5f34988672 turnkey-observium-15.1-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-observium-15.1-stretch-amd64-vmdk.zip.hash turnkey-observium-15.1-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-observium-15.1-stretch-amd64-vmdk.zip.hash turnkey-observium-15.1-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pi0ACgkQhcJelaFu uU0qdggA1zY93gGBCjUd4mi5+g6chkP+UkyPbI2VnoYknEYOYw9916UtVECl304J Sp7uCWKKewH9eZHmMuDfKKJeqDso8lvmejuUKMm4J+H1QS5YXVs6vM9RQ9gE4ALL k92VdoFtPTVTsZ/JWqj+t97q7qmZRM4hefnZk9z+fJqbjysD96N74sSJ9dzBKEUM uIrrHO6/ytUWYK47Q89GbYNthhQ7pqkquA4NlG89QWtpzhCvTqdKbuFx4HCVsKsC HV8zGG/qaMvfU3UI8nRys1mbM92biodPK/T7enlhcVsoHcpEPhPodto5t1HpbyIF tadMHKf+ybhSmQAuZmFJanXr1FnZrQ== =gVQD -----END PGP SIGNATURE-----