-----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-typo3-15.0-stretch-amd64.ova.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-typo3-15.0-stretch-amd64.ova 08b7ca31c467085e505e4f5c8ee8a81b0bf6d8bc1146029a414f9c90d2564a4a turnkey-typo3-15.0-stretch-amd64.ova $ sha512sum turnkey-typo3-15.0-stretch-amd64.ova 4ace4d3a59ae8bd6850a229b6a3ce8eca5960db8c4b17f839c7cb05b1f41b5a30a7136a25e2b066cd60b4fedf62f7916f13c6e8ac53d1f30c6eb63f60f5c318f turnkey-typo3-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-typo3-15.0-stretch-amd64.ova.hash turnkey-typo3-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-typo3-15.0-stretch-amd64.ova.hash turnkey-typo3-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++0ACgkQhcJelaFu uU2xZQf+LRG1AxNt/jQKzBzjS4zA1dUJV4R9ayg9qwXcRXaye2LOMcTZGPe6WvYF SIADvmBfJASivrkNvNAGpxP8QI9bYmKmoHwsn5lmsELI/QKLA/D8JzOcMtXv5CUa POHJTEZlizW0UUaWfghcLzX0JlqL8/+Cn/kDSPOIBTvNAOBINDUN3MvNpAbU9AM1 O7WLlMhLygE9Gh6OO3uM8jL+HuifU1mbHw5mwrYAsmCfq6ZO1pkJAnr7QbIfuSJM 2oV76njHspBTk73UG5fxfa3tP5k1LQvOoB6D+JkQXdOn0CC7U6u/UZ7EN2eSE8Ek Do02sw4CBAlyFZekXHlgE7TZeOuucw== =BeP0 -----END PGP SIGNATURE-----