-----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-mahara-16.1-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-mahara-16.1-buster-amd64.iso bff145f4bd0207fda5b0f6bc83b0f94e234951371d5a4804176e9263f6a7f3be turnkey-mahara-16.1-buster-amd64.iso $ sha512sum turnkey-mahara-16.1-buster-amd64.iso 8a047231ab6f5681598513e75722d11b667a0ef4ed24e5d6b2ac99aa5a62047600b0a639b1566d958f65540b2452eb31338bd16ad16aef3a21d2a642a507e0ea turnkey-mahara-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mahara-16.1-buster-amd64.iso.hash turnkey-mahara-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-mahara-16.1-buster-amd64.iso.hash turnkey-mahara-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmBh2NgACgkQrF6wBJPl vBzqxBAAtveQF12t0osi0EorE9phD7BJz2JqMN2rVpgf1yidQPE+z48EFAHbwjLD zNBMOU/sSCze8XsSsneysabiT2SFap2tq3vAElPXWYNYaBrr/WGYpp4xMKGz1TFN 5R81/yeGjU2t+qmj18KqVnbHC9sWCw3IirfGDdC9tZlThwnkurbrf87F2Fk6UXCP rnxOzQxoY/pKHGQ04OZcYCWVkZfP7RCWqDjpWBQxOxobtPJGqpaw8f7PG+v7CBHS kQ15/XtJRxKMoM9yv8/AFzbIpZhg7UtWVHKF51CVVBUijdwiQSrIbodC1IDv/M5r UoVc1aAOiEIeGJhI5SI/zC+1A+5p9HAGV2yJ+eqK3c6T5FnnirEaiSKYvSbsQ8DH SpfWenDuf9zuiIUQf5JIA9ZBy0Yiln+sJ9KtCcP5VytufNTIgAFPoHCny0EjNBS2 o/k7+oqj3eXws4zDQuBzBLxCaGYgFvYaB+dzLlDQSWU4x7R+mGY4RZ5NerzPSYWK D8nS3LoASKex8xWDn+iWGIngkqonJM1y4XstL5I8tuyFBaaRdv4oRyIQjzCKUKT/ Hiiikh7t13njOZ6aMkkCAia2g2F86uhhwDYf1zVRYjpKJ7yEUjefdFdjb/4XGv1T RnIivzSsYiOAu+xfMCGfbbDvSTW+AoILfRCvVX49YL+v04qX2u0= =zaE0 -----END PGP SIGNATURE-----