-----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.iso.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.iso f932897541ddb1a8e334bbbe5fec635a983f0cc815b4929f44261fec260c11e1 turnkey-silverstripe-15.1-stretch-amd64.iso $ sha512sum turnkey-silverstripe-15.1-stretch-amd64.iso 4df077f199afce36cd550e9e0a1eb16e56068218df8d2ee5e1ff69f75ba468f5d91f4b69d6ddf57a5f4a3f8a46a0c10aa4c2bc8c15fe3792f664f7f8b8783866 turnkey-silverstripe-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-silverstripe-15.1-stretch-amd64.iso.hash turnkey-silverstripe-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-silverstripe-15.1-stretch-amd64.iso.hash turnkey-silverstripe-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjYACgkQhcJelaFu uU0uRQf9G/W5+6ZlU5Yc3HNcoIXMXUOfh715Wn5OXAARZ/ZgrbnsuDLlm6O/10zm xnmmS8geJOmfdQRw8lKqdr2XevK5cF/pgJfHRnnxDwiBxc5Qf8wwbrxjpdrtIJEk b+1MsAQz19EP0t8a6H6GOW8EQfLhnW5ldJqzXgICygf1A4q8bJchhS2V7PgF8pKJ UoaAMljiwu1VXZO2yqN0IhnPq/5ig4NdfJRksItKj6ao68rY/2ZNocYFDj43Y/+W IBRzerFrbs62gNPPWR/KWqQYK17CYvaS3rysNYKhBu0oMuIbJOIq62+yHAxObkX0 mcyJf8F1JXW1vnCkp4H//vEf0ZM9Ww== =Lhgs -----END PGP SIGNATURE-----