-----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-zurmo_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-zurmo_15.2-1_amd64.tar.gz 685d40300af9ea5b0293ed21ed52118e727aadba809204b7069ea22d10bbce1c debian-9-turnkey-zurmo_15.2-1_amd64.tar.gz $ sha512sum debian-9-turnkey-zurmo_15.2-1_amd64.tar.gz 5ad61bdaa2ad42885f6a28eaa90a4b31997a802f9df9f550b9f16dda8faad869d81c6492788c621d6791bffcab090e366e432447b12a9723f1adcc9b035d0682 debian-9-turnkey-zurmo_15.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-zurmo_15.2-1_amd64.tar.gz.hash debian-9-turnkey-zurmo_15.2-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-zurmo_15.2-1_amd64.tar.gz.hash debian-9-turnkey-zurmo_15.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phUACgkQhcJelaFu uU3tKAgAi7wcVDOP1O3B39AxO68gi3XbMVIZR0lr5RIWbbZZGzmM1fwEe51XhB5B 0UMw/TYFyJ6CMGw3SxGDDDabFQiFCRzB96Tw/RQqzPbBECL2zwogBYN/TvnSOzsf KOJCM2LtvhXCIHYq6mVS+MyZfEnwPtae8960GCA49jkljheHO45Y5mxp7qyycx4/ uyXJhZ/7E/3chpTES1SxxXVJ+YUx60EOqMNsG4GjxYJ7wWU21oLvzFUCwUwkjI7h W53vncP1u8R51sz/EzBz/sU/wmbC6kRKRRDZJBXJvHFUTlLdOG8fRs/EzEEswET4 eEuCsm1BSPr/R/H/+OtjlkXZK4jbqQ== =hW1o -----END PGP SIGNATURE-----