-----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-e107-15.0-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-e107-15.0-stretch-amd64.iso 9bfca285f157b448ba3b837454f551797e66d678db2b54a5187eb664e4ebb132 turnkey-e107-15.0-stretch-amd64.iso $ sha512sum turnkey-e107-15.0-stretch-amd64.iso 4aaba091d3add29cda4fd0b2c8f3b32414eec19c6b1cdfb830b1aa5677a9b3200e48e6e6e424f6d8da4fe047db92ad76bf5971ea4e943868194a32b29ed648cc turnkey-e107-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-e107-15.0-stretch-amd64.iso.hash turnkey-e107-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-e107-15.0-stretch-amd64.iso.hash turnkey-e107-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAltMlTkACgkQhcJelaFu uU1xNQf/Z7gEjVQPnCsfYUclgofTmfngt7XpxgPAlnmftsSVT1gAl07ou+d/KRqb nxlBDZFG2cqK0w1SMCyvl1mf5uplu4qWXOgPja95fM+uFY9KXMyPWH60Bn+oC9G8 RhbfKqpJbbfT78jdN7wSTiW6bLwiRryVs9g9+0acGNvil+EsHYBBcwDjVZ6UNa6G W2VZCM3dAfguAfqjDpMYgopTL7TQZxx9YJXmihp40HrW6fI4b41ZpRWmMOc6k2jJ 1u2O/Qeg4Yr/UJp/88wsJy1tEzdrJL/Ozi590BbSRgkmi4ZX/J7qRfCA0FyrS/j3 whfnxzeuqVagHyZ2OYYy/VxVsO6Wlw== =+a/Z -----END PGP SIGNATURE-----