-----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-15.0-stretch-amd64-openstack.qcow2.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-15.0-stretch-amd64-openstack.qcow2 2f19f3e1d1ee37f716a8dd1a4f78858a5f8caa326bdcb9ba0a7c5a3a2d2b8e0b turnkey-silverstripe-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-silverstripe-15.0-stretch-amd64-openstack.qcow2 a89b138d56f38d33bf898106bc48a19cb8eb77a91f4fd18b9b948165baaac0c9aec8262c7238d8b10cd63b5eac0f309691be38841f2f5f6bcbe65bbaf44b8b2d turnkey-silverstripe-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-silverstripe-15.0-stretch-amd64-openstack.qcow2.hash turnkey-silverstripe-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-silverstripe-15.0-stretch-amd64-openstack.qcow2.hash turnkey-silverstripe-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte13EACgkQhcJelaFu uU16FggAodzb5e/lSXVfI11WD2WrP4bs0BDsaIN8j8VDRzRl3ZyF1OGJ/E2xh0/7 WLIp+1waRUmX0x5xwoFC6ZW0Eb5EaFUK+q3tSUjA4qzLRTjDJXE3jgXQJdteYJQ8 BmbVmQEDu+32J8BgwlerE+x25g+itqdttKliEu51TcxIIh3BTE0v8+eZfiZp85w1 /gVES4ZYcz6hLHDqnhMrkAsn2oAVP2I39bdHGC0x6eHsCxcypKOlqZrcSGZgDR7K LSpJF8PoSPwUPwGzpEE1B6ta3bT7uwLtchxj5q2UP32SXeLCcHWUBwhokdfBbLS5 Q6MYX2M0ceL957sj+U11X4OvwTksaQ== =KPxg -----END PGP SIGNATURE-----