-----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-sahana-eden_15.0-1_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-sahana-eden_15.0-1_amd64.tar.gz 4a46c9d4dfb22a1f53818c474198c9967775ff2570e30fcc07e322b3c5e805f2 debian-9-turnkey-sahana-eden_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-sahana-eden_15.0-1_amd64.tar.gz 23b2b82b87cf171b30e222d0f8663f16b6bf7a577a3fd831ce73d5b02ae5a7a30a72cddde8616882b4935d93ca8e45502658b2279820719ffe06f9e12bf0d049 debian-9-turnkey-sahana-eden_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-sahana-eden_15.0-1_amd64.tar.gz.hash debian-9-turnkey-sahana-eden_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-sahana-eden_15.0-1_amd64.tar.gz.hash debian-9-turnkey-sahana-eden_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9oACgkQhcJelaFu uU0diAf+L88d0G7pobmEvye2dF8GrrwCY3z618kuZdriTZn5KLTFPgMY8XkFzuRf Kx/bcqpNbeUSgI9pzjcYSbQ2Bt9c/ZZk65OopVvL5L94ZGApgOkyIhYoL44pXDcn kA2QSnsct42l4WsMPexfVtDeodcdvclZP6pmqV3zFgBdYXaj5u/va/9BP4YWVnfd zTB3bzHaBJXGeeA78onAbK5W8/ijOvcTg/xHtEBihS99vSGjy4rp+neRVo+BeeH4 nmtPCw7a4F8kGlAlPR42Ntix2z5jXMPDmjy/h7IHIuQ0yZUB2+8c0TRBchsHWpDX F2lKnhUu5w99COFGl5pl501kaMUxYg== =0Zr7 -----END PGP SIGNATURE-----