-----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-torrentserver-15.0-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-torrentserver-15.0-stretch-amd64.iso 8babc478094179dad5ce8f83b9d2df45bb3ceb8322ae721ba0a278757453ca5d turnkey-torrentserver-15.0-stretch-amd64.iso $ sha512sum turnkey-torrentserver-15.0-stretch-amd64.iso 18a8e725b39fd9cb05b9f8fe15bb234e72dd6b0a60cbe0899c499c44761af097dc1c03219af7e1bd83ff9e98b96809d8482708d7330d2e482b796076128116e1 turnkey-torrentserver-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-torrentserver-15.0-stretch-amd64.iso.hash turnkey-torrentserver-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-torrentserver-15.0-stretch-amd64.iso.hash turnkey-torrentserver-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPwACgkQhcJelaFu uU3IXwf6AtOfg+V3I1DmLo+HSnHh3103o4TZ3pu6+5YhTZrC475JnR1JhsoIATzK qubzU/P/FdvpPsBwk6OjZwKvmUETjHuqYIzzk6G6MZlYYqPc+NfREYuoaWjVpt3O 0Sw57BArOiNbCJ4nfF/262TRm7GhMoZfy7NBcejx/kSggN2O/gkv478Jv7m7wuKP pSTdApNUjWLVWOdg48tdGjpMSBSBoiiSIbQX1ez2pYyBrdc5yu7+VGYm7DGXeyKT 7ckFT5IdAKxCx1SgZVgjGcdrrXXH/MPTrrE0OeP+aOUA4CloGfNsAf3q8voowzQD i7LrTasCvLnLuofKO0HU0ssJEizKLg== =gMgj -----END PGP SIGNATURE-----