-----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-vanilla-15.1-stretch-amd64.iso.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-vanilla-15.1-stretch-amd64.iso 61882c99861d6003e94dd928ddbda863fee35f63db9122b3d7434a3500d68041 turnkey-vanilla-15.1-stretch-amd64.iso $ sha512sum turnkey-vanilla-15.1-stretch-amd64.iso cf537b08ddd75ea4fde7e7c68e70264b64a008a913668b26c6c3e138b560c3ce7adab5c8f786d5917c65ee7624bd051a255b1d0e26278d86433c911659152ba8 turnkey-vanilla-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-vanilla-15.1-stretch-amd64.iso.hash turnkey-vanilla-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-vanilla-15.1-stretch-amd64.iso.hash turnkey-vanilla-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pj0ACgkQhcJelaFu uU0enAgA1hxaBxrbU/eLYkYsNZdI9EgSw2+VrhRf95PWP6qSoiLlsIFgX7jyXs4J XhtEMamik3pkSLBSJHWtff8+mcRslZcH0ZuU1qn7oi/2P60u8fyuywsrp2BZgc3z ytSQvJKaCTc7HMF3bwTwtzb339T5v9wkuA9LtEa4Opq5mxXBIVa/IUpKtydPYR4S DpEn2kL0e2/qLL0m0Z4jumPbB551Ayj6wvEdnSDoDJsPI6ft1Ih9wN8PHMPeKiwE 9kuYrS0JRkqgnQAWlOeW7dKLAjrNH8tmZc3PlhYGBFIfqsN6EPXbpwTcfFaw9vY8 9/4uC2ux8GDHUss36WU6SBUKlEnnOw== =4fXF -----END PGP SIGNATURE-----