-----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-asp-net-apache_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-asp-net-apache_15.0-1_amd64.tar.gz d24555d63fe759e5f3eb03fbe4040a43d5e0b588df687c114373adb180e2ff2f debian-9-turnkey-asp-net-apache_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-asp-net-apache_15.0-1_amd64.tar.gz f272108b10b243f50d91a57125f83f44cb4c7663231bd987ddee80dfd62806c318838c45b128c7d045f8981de387fe9111107086376f73a807b7faaf4fccd69e debian-9-turnkey-asp-net-apache_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-asp-net-apache_15.0-1_amd64.tar.gz.hash debian-9-turnkey-asp-net-apache_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-asp-net-apache_15.0-1_amd64.tar.gz.hash debian-9-turnkey-asp-net-apache_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+8wACgkQhcJelaFu uU2r+wgA35MNyczjIQ0Cvr9RfDxlOf2TJkeFuRi3oPhcgWaScxuRsM26T25MSQWv 01a6MqQDVDvG6KrJvXQZF4A40ykUUdLTYweN4ga/RMud28Ly/PcIAAeNcgv5rpCQ cXl1Ryby311233z510sP4G80j3OytgeK57QP9YNCqL+WmFVEtacWMhRVTSBaTZj0 WA7qlNbrgvG8E3nEI8negiHqFDWS1Iv6zTEkalvn8DFLyD9wrxSKnljXvu8hny27 rGts7yulybDdjtZ2UmyEoIvWXhVLTwbLyz7ViUOfDnIy4bZlrYe/IwOgyCV4OzaU zlwjEvCV1gPDp9eoyNqS+kZBW34fvg== =7K7Q -----END PGP SIGNATURE-----