-----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 <release@turnkeylinux.com>
$ gpg --verify turnkey-core-15.0-stretch-amd64.ova.hash
gpg: Signature made using RSA key ID A16EB94D
gpg: Good signature from "Turnkey Linux Release Key <release@turnkeylinux.com>"
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-core-15.0-stretch-amd64.ova
bbb6cc5e69f585d884685198c1d551fed17882b283acbff0975585e99d074244 turnkey-core-15.0-stretch-amd64.ova
$ sha512sum turnkey-core-15.0-stretch-amd64.ova
3540db232893bdc0efc49c90989a2ff9b437e62146491b0c858cdcf107de25ec65e3e7510924b5fbdb75b4f58090c5573aa3e16ab40113c3155b53ce31f3392b turnkey-core-15.0-stretch-amd64.ova
Note, you can compare hashes automatically::
$ sha256sum -c turnkey-core-15.0-stretch-amd64.ova.hash
turnkey-core-15.0-stretch-amd64.ova: OK
$ sha512sum -c turnkey-core-15.0-stretch-amd64.ova.hash
turnkey-core-15.0-stretch-amd64.ova: OK
-----BEGIN PGP SIGNATURE-----
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H7TXNWGjsZ5DsIElYAlKKjB8H6AaEW2f/N7emq5TH4PGBHUCJ/ZwN+zBfb4pc6b/
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=KIxx
-----END PGP SIGNATURE-----