-----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-icescrum-15.0-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-icescrum-15.0-stretch-amd64.ova 7d882fde7a7b7f64f415b7db2d5e1d0ae958a8df1837e3d9a1643a3522ac563f turnkey-icescrum-15.0-stretch-amd64.ova $ sha512sum turnkey-icescrum-15.0-stretch-amd64.ova af05869123fab6cac044aaecf185787746ae996579a9f48354d8abfaeabdc240af423e112cf95df9f652fdc5dfa14d4b060689842be672ccd48a7a6b4ff69ff8 turnkey-icescrum-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-icescrum-15.0-stretch-amd64.ova.hash turnkey-icescrum-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-icescrum-15.0-stretch-amd64.ova.hash turnkey-icescrum-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++IACgkQhcJelaFu uU0wrwf/VOAt360gZnd/v232ZhBbAIW/5aG++LuWW0Qrs3DKBs/MJmbdYk649CFj h56vjsgRw+8f12EEglqoHbqYrtp+xeAI9+7qY7JOxQhzsv6d3b47ClESpPz4vpbr 5NHt1q3K0DK+oiw4cvXW+K+JR+6DFHEhMvvgOW53dC2ZlYBgXfMCQT6AXZc7/RqC wN/W5dW+A+XGoe0XGs8iJBTmwxB2dbQXqK2ZgCu4/8fwoG5fBpZ5zWKzXVnP82HI cROKcnNGcnhuTxEdbc4YsTr8tyhfpzs9a5spT9Q4CSX0EXfFwKtbqc71PsapxP4X FN+Rk1PMadfmVU/oOIqTjjbNRqha9Q== =fqr8 -----END PGP SIGNATURE-----