-----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 turnkey-otrs-16.0-buster-amd64.iso.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 turnkey-otrs-16.0-buster-amd64.iso 261bd9a9ce9f7f37a29fcfd7cfd9d025bc9a73633651017135295763c833814c turnkey-otrs-16.0-buster-amd64.iso $ sha512sum turnkey-otrs-16.0-buster-amd64.iso 2ef377c05f61b6e1b056f19fd7db121bd81afdfe941c0f2156fefc8d8b1bb4de8fc2ba11977f5916291624a83a5398d2a4c8d9304a9e252781873bddc5e2767f turnkey-otrs-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-otrs-16.0-buster-amd64.iso.hash turnkey-otrs-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-otrs-16.0-buster-amd64.iso.hash turnkey-otrs-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl6upFgACgkQrF6wBJPl vBxR9w/9HOGnQMcWgS8+jQYiQGVqUmMy5EI0zmYPPR/MOTjcyevNSrAKfJwyTzj/ L1Lgk+TO/Mj4ZnytbC+0BocKRe5hFTgfBJAjtBwfqOxdnEuE6omAV44bnZm3vw0A XIpjvHbJKESnbryDTn85RAqD3bw8WlMHSwqDp0BjLCFtL+CFSYe5AF7X8zUpy4KF YOAI8L3oJqOU1GV6hH9rJDrZWq/r4izxHcnz30xT+nxDKuAooqVBp0N8zIhTa29E wS16KqXHr+yFBde/LxTUfJuStMnHoQVRRuW72B1nggavgBsuw2qB8tp2RjkW5+Yg 8j3mR4y53f8W4s0NU+JZfzk+GMEi+pyrUqRKXTC7sAKRuEqLAjDTrAed8A4IzqHx OtiwA4jLEfDsMa9ae0gNHnv/kC1eC3fe4LjaWoq8slhLGxT7wBmyaCiYz1fgyVn+ LBKOZc3TY7V4Ws8dQ/zU4WNcRcgK39S9HaO2bLLNSZw5GX2gd12R5hfm1QPKQGMn ravx6aUtV+3+fFEhlvplY5jIoBoinsapynV+ahfg382Pzm1sMLecrDoZAocXd7sr 82p5vipnjZnsiNVACj6VmQZRPdpZS/ecaQT5PglOZD9qh2f7UI0xmwO7WXKQQ1Mx E0toZzOyUpTVxl5HCNHQJvxSUx42KwRRg4cytj1/e/pCw517Ni4= =oEYw -----END PGP SIGNATURE-----