-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 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://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2 2c5b62bb89b0c08511616f49fe30d4d7f25c0ec92b6db8e77f9bf2c846132c5f turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2 54a33b03b8a8be365c255ab6e11e484c0ba22b288048f1e6493cf948044c50149a5e9866526fbbddf9c5b277b8a430580b2aff0e0a2404a0727f2ec6e5d8106f turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2.hash turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2.hash turnkey-redmine-15.2-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0THAYACgkQhcJelaFu uU0XAgf+NGvRTCZc2vtQypunpEN/mZk6xBNeHD5OsA3fHQp5tI+MOrafQMn4NpGZ JFrB07R71Px+k65a0lT4GcJocM6Su0cjyFT4W3/fsA1pBdANkJeoqppUB2aR6DqD 73kx0YJ43go7voJQlIGN6xt9evWVUssrTxGGcsOv0a315PX7ZtwWM1UKjZQat4e0 jKkaW8iWkExEssx+syFgWGbvrqr2xPpoacV22yefExwO4P3cbMpcio8m7xErOoEm 4cQ9FNg0L+FD5hFYx1TQakWJFDJHlmd0jirxfWWf7Dw7AYkkmbVwZP/0l7utyJmF X95YiJBtdhz3v8OqFVKZSCRonkngFg== =Iy48 -----END PGP SIGNATURE-----