-----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-xoops_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-xoops_15.0-1_amd64.tar.gz 9a799d47d9ffc852bd3b85dc8f06c0873cd82721a4c8dd332ee7c4aeb4c210b0 debian-9-turnkey-xoops_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-xoops_15.0-1_amd64.tar.gz 05d21451d3b7115c1dbdba45eb21580d0e58fc8984677ac8578543ce774520a05c95acf5da4ed8034484cab1a8019ffb0a26bb3ed9f827a941b263e3f1607568 debian-9-turnkey-xoops_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-xoops_15.0-1_amd64.tar.gz.hash debian-9-turnkey-xoops_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-xoops_15.0-1_amd64.tar.gz.hash debian-9-turnkey-xoops_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9wACgkQhcJelaFu uU2oqggAji3ajXMGS7scj6uY6Ya4dPOYsWGOIgIICcviB7HBA6BER8s0fhYABzsY KLGNkgZ3cxxBaCTvXwCKM1sb3Jwo9AXqaxroJZqiabcakZBZCrxJGJ+Ocwr0NetI uyzxSvP7CyidB05joLhClxtBMHWdl12+kyr4Dd59UFopsG4tX1GYu5oXKil7d59c mdOv0MtJIGPN9I/Xu0VYoPZ04gGTEFS68Esx1dyZp9YyXUCFGm3ErMQP6NTdBvQu ww25inQw2x++X0mPsfqD7goT4v0gWB9pDLBRviMTSP5XfFAVlWnTQHHTGp+SkQaH M56RKQ5XjFPAkTvOKGOZrH8TvrtXlg== =A7q7 -----END PGP SIGNATURE-----