-----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-silverstripe-15.1-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-silverstripe-15.1-stretch-amd64-xen.tar.bz2 bb1de649d3f203d48e110db4a125fd75b1ae896f282bef427fa2059fcb8e417f turnkey-silverstripe-15.1-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-silverstripe-15.1-stretch-amd64-xen.tar.bz2 b30b5c60989d1e8d6a5d8fc3c6832bb72e8cbc1c6e35bea9012a2c37af97c7c6e0cec9f3076e85e09d111033d1865bd393d969549bdd5435d4a6a86069024ea2 turnkey-silverstripe-15.1-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-silverstripe-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-silverstripe-15.1-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-silverstripe-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-silverstripe-15.1-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjcACgkQhcJelaFu uU1pVggAp7LRxgab32mR/BCgZcUkJYX2I9OrfzQFtz+GzNL6biVZfo0wZgXmjHEJ +G/MwtRmQJpvgGgNYCTDlWs6Zz7xmreUtk7jPq/t5r+KRs7JwIUY2pJSsmUvhfh7 1xnqzUCbRVfS7xg52C8o1r/5EUN3HHQVMiiSKd13eAEsv1TCes9sbSNTuVjjPVLl EI8OXTF8qzG59fy+vDfkD/xZ2AdIrh9weDQI7eOewVHl+2pS3wRLPEwSEh5tXnYT Q/uJku5MuGJgB7E/RaRlZoIrOgt308QHO1pMTTJORDrexPpuTI8aG1wzC2hYBnqK GICIG2t+aGXRN91j/mYBwok6/mgRvg== =De38 -----END PGP SIGNATURE-----