-----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-collabtive_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-collabtive_16.1-1_amd64.tar.gz 8e5bf2eb41ecbf39a9a91e9a29428f6fe54fe33df986701d8c3cfeb55666523b debian-10-turnkey-collabtive_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-collabtive_16.1-1_amd64.tar.gz d979e86111c090e6ed83d79216c79afdb11aa44b5853137322623ce6175df9cb5a042ff9de1fb4b14c376979ad34d220900037455b2ced23382bcc93a3757f44 debian-10-turnkey-collabtive_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-collabtive_16.1-1_amd64.tar.gz.hash debian-10-turnkey-collabtive_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-collabtive_16.1-1_amd64.tar.gz.hash debian-10-turnkey-collabtive_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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmBh2NEACgkQrF6wBJPl vBykrRAAmh76aoc1qx91VjzjVnY5XH26IP+qc7nBHk77pwyth8J402Da4XaRyWau UUKFPBljm+raZtar1/VfMDV3AjPiThXygacS4PYDsoAUS/guVoOic6bpcSpF/k4Y NI+kjiNnfD+LoLkZv+MNRhG/Rli29gkws7Yo6ql15TW96ZG4n9kHQ6VB3SRtukgG bMQFKtbmFV3wXETWoLBTbiwDFxe/eHeQyyZpvo0out6/h0kXZ0ukMOo7EIyBltgV QiQnj1kFf4PrDZnl9A34g9JBczMMdVLBziVuYlOW4OVf2kc8TtgG3SuSivSL0ZNj 6euEbYulL19AQKODCw9IBoQDyUG4DMNlDWtyjZTCEEYQh65SOnu0H6IlKr1tXPT6 XayLk8mAlrH5uuQWY4kSBsUI1HcWxqTtotr7C9SoP7o0s2HP8i+MQcMHmEBYCrAH S7LFkSOUKlJfGQBh0+MMxj0LTNWC4Zgs9Up89nRN4i5LAje7vrWz/flGh55oaJe6 TpvD+9wV/10YVgxPBQrHvdBdNvxek1UZSF0sb8qEuvg6elafNVMKHztFN8SNIoDZ jTM6gPmbMHlhCkvpbQD2Yg3avIRhNJ/p16ZeDuZRZm32BVq3CxPKHdzBCymMFFKS 8zUCqvAKaHkMLLNJZqMEY0aInsQ0EOplqQUZARFAJBPn4mlFZ1Q= =YWlv -----END PGP SIGNATURE-----