-----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_16.1-1_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_16.1-1_amd64.tar.gz 59bf9369c6f5735a908c094e64f74b222045014b0f41e1af60c331f0b5b8602c debian-10-turnkey-tomcat-apache_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-tomcat-apache_16.1-1_amd64.tar.gz bfe844b913d8eb12352a709fd61d3b4cc8752be72140aa34b83daed9d2f2a5e597e172db336f5100e35aa7fa3150238ebb8e7b98845ae6f3fe568187c48cd69f debian-10-turnkey-tomcat-apache_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-tomcat-apache_16.1-1_amd64.tar.gz.hash debian-10-turnkey-tomcat-apache_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-tomcat-apache_16.1-1_amd64.tar.gz.hash debian-10-turnkey-tomcat-apache_16.1-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmB728oACgkQrF6wBJPl vByJsw/+JNoYgznhGnUjeUpzi+f4uTRiPjMBPlxzc31tOy+NipgsD1PwCobNszhw gwF8OHswms4UzL/dymFGb+E3Zh1FzHYsS/Wd2Hb0KTb8qom89lpUU2fLr+3wzkeJ h2cADyl/1lmnPuNdF/J1NDWWFU0fwRDtAY8qbK9fxU2rtTvz/A3M0ApuY/NfMsfC ybox2+TMndJiMNzkCVzmMMMfo8yg2ieZne4kzLkHM9tp5ksMkZV+R39ukoH9KN/d bFfsFLX4v59Syh7vmHThv3+pW4aZjamZDp7iIzBa8QvI8cY2vGUJuxcewS+JPcyP k51QK4RRIWUR5C4WSqywCE05CiQftGZISnDrpyXZ2PxzwXw1nAco7ectYN7VzG+b Uo545cH3/h3Jo/FaJ9eihtKF15RxKJfOI5HV25pM/h6+SQWpRWMjkoSN/L3CUSbr PdIk+djkycvS0+JzLERtxWe9S7h1YTtZwZzCFEYvdKlXKWrLUKif5UV/ola/pQYo Qky3IkL4yC1/69LAuT35dgeRPOo0r1LtUM1WX6pnKtFrEVWCzjYUhJ4+ZnL+O9IK pL/KAhW15vEUJ8nznlS2TmTOYO9Xo/fYIAaihrTOyvJf8clu6kRGjLibK6cxd/Jr nV58VyXFB6BsIhdb3WZOT2kMHA5HVIotj7v9rXsVydUlJ5mhv4A= =+r5i -----END PGP SIGNATURE-----