-----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_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_16.0-1_amd64.tar.gz fbb7d3bc33becd9ddc18d50f864bc28e2d9cf80e064c574c580230a34d31cdc5 debian-10-turnkey-tomcat_16.0-1_amd64.tar.gz $ sha512sum debian-10-turnkey-tomcat_16.0-1_amd64.tar.gz ab6cb4ca6e475676ea8a35b79463c473aa80c233ce0314a7f0a7d260f8bc42fce2c548af80672c3ec1bb5d48b8dba0349e37a0f7d14897fd9325673b54fd458f debian-10-turnkey-tomcat_16.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-tomcat_16.0-1_amd64.tar.gz.hash debian-10-turnkey-tomcat_16.0-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-tomcat_16.0-1_amd64.tar.gz.hash debian-10-turnkey-tomcat_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 vBy8/BAAxiGwVx6D/8lswsIiyOGfBb3LwOSDvI0dX6TZJ7y5pNXbhF1oVgVDj29l Zf4K90grA8VyUaR8YguuQTUybD3qB7GwrlgycA+09okhiWDumKT7meJU4crFAIgA h75NbZLLKk0EScc4hA9/IUkNFRWG1ydCyR9dbisv1q4y8RXBZgKIHh7yG7+c5RWk WK1sBFZwnNRU2OWfJbM5E63ZAfGNH0FtpPhIXSRAIuHMtu8Bo0a/DQZGNELXzSa3 IMyv7m5s+vuGfJMB7MXfvqwv1vgjA9iHNLmhhTB84Lm4exrqReq7K73aynCfGJiB bhv+0pzSxLGdEXVzTSObGtRZ2yYqt4u6cMY2nmwtBk2CL2M6LaqlYvvFAGSzlWAv k+TyUyA2WO3ipE1X+8J2dbQe1dv9NUty+jbYVDg5GjVBCz6fcPdswUuqxP6cW6lX ZtnpNaLI26xDIbgVuirouuQWx4NG4KeNFcRBrJYj2E3vX/BEE4ad6Qp2FXyz+qp4 I6ZKrUeL4rqwdPcSigKRooNqvtujVU6G0Huq6wnXX0P2I42pHm9IiG0DA4VKDkG6 MBUZ00Kr7hpIMGWDgec5vETyJRXfCdd20XYisTocA3Wob9gQzhJWUifp+T+gBq55 rrT1wzXUzqDPAx5yaQU6eCeJkrJqH0rof/VzleF/oi91Ek02Qy4= =jTu5 -----END PGP SIGNATURE-----