-----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-mibew-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-mibew-15.1-stretch-amd64.iso fe692ea20a325a3bef740f3f810e685b99057d5ff2e62c0b93811b059eca1560 turnkey-mibew-15.1-stretch-amd64.iso $ sha512sum turnkey-mibew-15.1-stretch-amd64.iso 146c95ca66ff6dc724b68d1e09e8a0f63c140c380059c70f61f8a40588719464f3e1f98a5085a3ecc8f443e6d6e55dcd6bd7f1726c89933b9016735940914c63 turnkey-mibew-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mibew-15.1-stretch-amd64.iso.hash turnkey-mibew-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-mibew-15.1-stretch-amd64.iso.hash turnkey-mibew-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pioACgkQhcJelaFu uU1yrQgAkCLk6B9/5Ts8I5yQyadeMlTPv/RQypT6WQLq1mvtzzaUuaN/NTZByj6W Zi9bQt6PfW4m0eVdxuuCG6//dnKHioANhbuEVCHLi7uZciafG2IB8kvfnzqFn7OJ NSOa3BBKrrncKx5Q2pU4Kz/pKjI4jpnE3rwtbE7HNN8G/8+4KQoTfV6vHoy4Jh1d 2lNEcTZgoB2iVphS6Nm54rCvt+1e5m9LxT6wltPhxxfF3oNuOej2bVWm5tupVTXU PKZ5KWAXM2Xqu6TmHggsizOoxFH4s2RCPd2j8BJMC8c0slipNwLryn8Dltd9P2HZ XGc/EtrI8m29gZQQPNtjRuCATie2qg== =M5v8 -----END PGP SIGNATURE-----