-----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-nextcloud_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-nextcloud_16.1-1_amd64.tar.gz 5c9f9cb55c2f136bed69abb72b7bec2d37f1a16a4fe0c04a772f0027db3b9b8c debian-10-turnkey-nextcloud_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-nextcloud_16.1-1_amd64.tar.gz 0bb319f29506b141d3f8bb66c27cac3d2768db84df1581508cbdcd58636e77f23de23c873179d7eb8e72dcc2000d61fa52a2bdae5ecf3b1238aeadc5a97d935f debian-10-turnkey-nextcloud_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-nextcloud_16.1-1_amd64.tar.gz.hash debian-10-turnkey-nextcloud_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-nextcloud_16.1-1_amd64.tar.gz.hash debian-10-turnkey-nextcloud_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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmB728kACgkQrF6wBJPl vBwkGhAAonCjb8yiaH4mjhTSqV9SvvI8lbVRbW56U/BTAfoazPGXkTPb5+s+lPHn QMf4a82wdBny56uFe/jFPL5DHAfOEIlBMIct4hi4XABCx9xQ4AXWNYHeLNbGb+j8 2iqKezMkPduaYymeQYhjiwtEoQl5tbyl1XwbNg3F5LIumGfu7o/IofBn7VPbow1b 5Qh0vsfCylJnnVYT74JP+faQBMs3YEReuv/3eTAVE1kDHQ1FAwt5/m4nR8US5RdT z9gpqIG+FIUk3AvQsqYys5gYZ53/5Ysfy45giU1nDdti4W33y5jHqXNS7IJlxtUA tdp2PoweopS/hy3Zkq/H7S2avSRAoT9zt1c/Lv4OXySum72EU8VbOV8YTiA5db4q PeHK1IVOGm4QuS7zcgs+imXBJfqtyeTgQ4wKBvPeqhwiZDY7M0OWZsJGHBNX8EEV tBEfK0ijdAL5WwAPnL2W5SgUnoe5WbDE+IBXzyP7xDBpX665UreNy7jVz2n3e11f 1K/8yte2GJhAvIlUWAy5zCRLovq6hk/4GQZXWSJ4lZHXRWLeg9N2flCWj6fRSE9n hxtd+uH/cnRJ8vgtUHaF+OqK3XJFx5xyUlKdCnalH+HSt+bew3USCVK1WshVks1u la4hMQPFdjNTetTfIgECSgxdY7/aoK7EZr34SER9qM/27cumryE= =HuHY -----END PGP SIGNATURE-----