-----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-e107-16.0-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-e107-16.0-buster-amd64.iso b8f8695d2d982e3f9e412691e05c9eb2319d85c371f1cb8b655f5c01e4e6eb5d turnkey-e107-16.0-buster-amd64.iso $ sha512sum turnkey-e107-16.0-buster-amd64.iso 17a5f68655f73fd13fbaca73783c9f787124c3d24ac3ad4a35ea9dfa7813e91e2af964aa78d55d1fe9ac19a180ba565aa45a828f4e6f5f82ed042d9ab4d37281 turnkey-e107-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-e107-16.0-buster-amd64.iso.hash turnkey-e107-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-e107-16.0-buster-amd64.iso.hash turnkey-e107-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7BD84ACgkQrF6wBJPl vBwfOQ/7BZttpAefS2mUMy2Cn556nIy5U41qc9lyvyTMv6n0En9FQgsoz4LN6XCg wsIyp4ic1+MWJM0JsLZVdvkQPWW0jBepWW4xbQdGU44sWc6E32WZySV0KHwAro2z OGzE87Xy4L4L8WbzHrpAoAfOX0fRxZsD5yCLTUeIlkBnS56Y+eDEXMySjdnPQjKA qEUS7oGu1yjTm90rXYkde28zq+4IWzAvsoD3VL6RqGY362Unr3+oN53Gf4usQtv3 5crmoeZfJyml7Pl7/VBf8sRa1UleqqcssxwJxFI9Z7T6vJN5RINPk4I2bSrVUrUu apwYqYNc4GwFGeWMJqWYBvSBhbcMxCtVPNDIxFpQ2RXNTo6u0x7IHuXCoboopyPQ 7w9G30c5RHbkW7F1tEKXWQTgBDqEYeViEYrdGrFo4OqQgHD8Wqw232V4hsxJuuMJ 5AcvRO8bEZeTNjKpfeDBLQiH0c77AqFmy/HJ5fTo8mVWXTAoLfbeaa2n+XyFq6J9 npPXnT6F10kkeIZejdfTmFLj7D9fLEKG/3VQtog9+FKSYqX95ZwxkSyej3xETRHQ qkQwVIYyMoVeR+L6Z0u1iVil9jwXeJeJ7t9a+WuLbmZ2FIV1myXP8dT5lrygpMbK gVbXP15tV2DtTS2NXJZ1qk995q34Aa83kVhco/ZZ9hGWjY13u9g= =Ze6o -----END PGP SIGNATURE-----