-----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 debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz.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 debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz 9a6c43c71112ddfb80bf76e924efcb69b6869e6eb76e8343ef2a8f72a2e2045e debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz $ sha512sum debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz 6ec5fdbe8a7d3ed7d579c9d18226da6c054107041cc8cdb0c5808bad758045b786383cddf86a050c77994142a7e38cc6e508165356d28afc67d1ee4e0050cfda debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pg8ACgkQhcJelaFu uU377wf/TN/0FabK/HXicsuQKXaCWKLcAxkMUwJOb1z64drn1TYT00yGb3oKS9O4 KBA3LgqzHncfc4PMnzqA4TY99kGNSbyd+y9HlThxO0Mkd+Gkb0U67GgdlTgzsy7S H8INDGc/mv8rz7sRFKebeOLnL5uvXhy15rHwejPR0hssRRUKYZNvZavlM02QWgDH YzZ1ROtZspmo/eOjuAytdvItlcIDP+ul4uHqS1U6F344Y7tk8Ge3/MVm9otw3GSS zRMt0us3eN5AYE4rPoxDaHVGZZxqqC8PKzd4zqgeG/K60CS49WMvV8rS/bSrg1aB bMcUjVDkQ92oGyDqLCFO+gITtjHNYg== =6hrH -----END PGP SIGNATURE-----