-----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-joomla3-15.4-stretch-amd64.ova.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-joomla3-15.4-stretch-amd64.ova 70fdb83d7f8cb8993d958b9416a51dfd156e1751ce66e73ea6a7c8cadb0b73b7 turnkey-joomla3-15.4-stretch-amd64.ova $ sha512sum turnkey-joomla3-15.4-stretch-amd64.ova e4f771206539938ef73aa659cc635e7b9e983a88664f004395802ce98ebb15578d8bc3c5cc3443c04342df99e6b67aa9d2a2dcab185eeabbb5df6f3063adf308 turnkey-joomla3-15.4-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-joomla3-15.4-stretch-amd64.ova.hash turnkey-joomla3-15.4-stretch-amd64.ova: OK $ sha512sum -c turnkey-joomla3-15.4-stretch-amd64.ova.hash turnkey-joomla3-15.4-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PsACgkQhcJelaFu uU3lWQgAub7YCjatUZwnSnqPCFaaFJBIjZr3E3nPWkR2CPSdKTHwDJNtU0wRLW9N AcQwudafUbtNJnTAoUcTgrpjN8ppuNvk8wsA6chzYWPukTqL6YvlOiGyjg+QZPaU 7S6CFmeq1PhvaRhGossnfqK8miXSaA4ergUWs99VclY1v8I8AVP/6coX1d7xhVIi 1yvXJ79mgOuvs5k8p197GS/YUDoqqbEIV4n11AxBGQwdjul4+khHFwYCAg+J/xRh 2C4OyW/FXlN5axOjDfJMbe+mFzM7PRhC+hwm0hDHT8msSg+UQ3KUWXyP3DyCs+Nb uU0WN3ze+y5yp7HXMY918hTIEB6yYA== =8+XX -----END PGP SIGNATURE-----