-----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-otrs-15.0-stretch-amd64-vmdk.zip.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-otrs-15.0-stretch-amd64-vmdk.zip 844c61ecab03caddd77e32ad8cef0b6eaceab1571894a285d6c7b51b25af2e64 turnkey-otrs-15.0-stretch-amd64-vmdk.zip $ sha512sum turnkey-otrs-15.0-stretch-amd64-vmdk.zip 2206e68a471089d9d9675330312006c7c663c8738c375161932029d2354e22df880b0a90f8894cd3342bf90cb0a05d7935d0c49738bee35325e38809f1779bb0 turnkey-otrs-15.0-stretch-amd64-vmdk.zip Note, you can compare hashes automatically:: $ sha256sum -c turnkey-otrs-15.0-stretch-amd64-vmdk.zip.hash turnkey-otrs-15.0-stretch-amd64-vmdk.zip: OK $ sha512sum -c turnkey-otrs-15.0-stretch-amd64-vmdk.zip.hash turnkey-otrs-15.0-stretch-amd64-vmdk.zip: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPsACgkQhcJelaFu uU28rAf/fE+4bqRJSYErg0LUI7ayLR7E+zFvntAUtmalQF2Mr/jEWF/OQYSndSsE xTC6cgTgVAqWWHj/obVKq5Yg/Eafdvo7sBDF/aKBxeCPS1wiAikldFdyVIiG41X7 zoIbJs3jeNtf6XsBg0btg1cHdFFpvgmC8V2APNFvSmg6ug/5Tw3HkkG7stKNCKov XcSEHL+xaFeXLXWjozBKEstEoPPtxiIB4QeKd2owEbhJr+TrOv3SP15flVtf9r1l TLZK2dEr/9C4vzQXVuC0o32OLFxYGijsD8X4FRSUYO3ctXo451iPRIyFU6Ru/eF+ qf112Y7SJKvCNUrPrL2IVUbERrot5Q== =B+V8 -----END PGP SIGNATURE-----