-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz 47dff84e8aedbb4d384eca8c65c2fc7f89547bd6bacbfd9188c31a489dbc9222 debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz $ sha512sum debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz 22cab149e3006ab697437dcfea0a410a466ce7a07a89422ea84168af8c829854d34ef8bc56c207e5433c8d8102ad5365a4825cd08ed9d5534125ad003fea9d15 debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz.hash debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz.hash debian-10-turnkey-tomcat-apache_16.0-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8Bl5YACgkQrF6wBJPl vBwYxhAAhyosWrRLkW2hsioWdAF5I0HI7KmDaJaFPygtpt+cw2ZC+v3AlxUeMwC1 YpCxNXoXyOyFg3DvR5vp6rFOWOiJht4vDG0q+XqXF/bowLoD9GClKAsSvKUd/aDE 962udejT/r4G7+X8yhaeFSSN+CakLFe4pdttvgCYDyuz6OnlqpysqExkfaZwvb6O d1L35yVi7aOUAut4W7NU5KwQMh7jvf+f4rGQI16RT5SonJX+/EcTHjO0SETE4I9i IXRvPVY0xMt0+bDLzYXc7jtHm4ZRwnBGpEEi7+tRqgczlNbcko+oa+sCNKE39Dhq VarDJTNis9unynSCCj9K//j6wgMJnQuy/F2CB51/tysyOx3twAeFAUdxLFhpX3ZK Q4crkTd53uN1/8OcNStFNo7WKL/pVYkKrG8s/+Aq/U9CJTtifdBRShCkoyPAJO2f 5lYtq7AaJCjL/qqIgpHDLS8VmTK5GBjE0r77i1TKSoFg7yIUQP/PxyJoKl1FKSRf l3BxDZBst/AQjprbpJa/xdANkpgTwM1gHqshcWvbbF7bj196cu7GEJusuZ87WU/M M4c47Dv6/lL+es/q8/646AI0LDK6tTUHfE0hltHY12uscQlS3R0MnezVpd9Wk71P +sVE/k3xyGt2+EP3Mhdbo1SmeT7RZzVeqs60nGYtYWd7c/e+3YI= =U9PW -----END PGP SIGNATURE-----