-----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-14.2-jessie-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-silverstripe-14.2-jessie-amd64.ova 4346679f5eafedff2051715c4ab35f716551cc6c6ef2f2b133228c8c337afd82 turnkey-silverstripe-14.2-jessie-amd64.ova $ sha512sum turnkey-silverstripe-14.2-jessie-amd64.ova 0d19bebc2fb2684d8da0e63bad0e0cbf8f5ac71b1d489815e682008dfdbbe878135d921f0f5c38e9d1ff32faf99fd321f16f5125884019cc3c1b20e8772e28e9 turnkey-silverstripe-14.2-jessie-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-silverstripe-14.2-jessie-amd64.ova.hash turnkey-silverstripe-14.2-jessie-amd64.ova: OK $ sha512sum -c turnkey-silverstripe-14.2-jessie-amd64.ova.hash turnkey-silverstripe-14.2-jessie-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo92AAoJEIXCXpWhbrlNPKYH/2/9ammpHgO9I1RQtsqWR4id WlSK41FqwOFonCCysA7VF1n/v6tFQralTgz99uEWL95TolQqLFW1f45in+Xf47+V yAvq8orZ1ns/WY8mFYT1M5K6okmsEJysojA/4rWmYLDHeRT9o5My+0uUCTy0xcW7 QVGuSwRDaGLjLAsE8CyBiS10Og7JnbZBaihd7aLNuv9VgFWY6wQUpn2ey5xDFdjo naoGFeWrr/CREUaPlHXi+1h0y9jckmLPz1A2pHJZqCej5syNjoy4u2Nze4KRQrZj VnT7goo0MlLTIvI6wOmmCUdllAj08mRawTTIjxHqtOwMu20KP+9wFPAFuvqBLKA= =YMbr -----END PGP SIGNATURE-----