-----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-tomcat-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-tomcat-15.0-stretch-amd64-openstack.qcow2 8ca29bac301b576385d581f200b345c790ac01edbc86978d9023ad40d7592906 turnkey-tomcat-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-tomcat-15.0-stretch-amd64-openstack.qcow2 a0595be9bb8d9bb5176eedede64200050153a90be5be3ee06bb153d553b98eecd8efe8efcbfdd00fba42405222bc23c28c547e228676b1db9bdf16fb339ad26e turnkey-tomcat-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tomcat-15.0-stretch-amd64-openstack.qcow2.hash turnkey-tomcat-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-tomcat-15.0-stretch-amd64-openstack.qcow2.hash turnkey-tomcat-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++wACgkQhcJelaFu uU270Af+Nuwgv5f8oJxi3YJPi+4h1L0wrj0I0+x3F+/jywy36kc+8pelj2XPftjo YdaT01U1UMUMd43MMSt9EW5KCxF/ePTmdF7TXD5iqSkFE7B6x7Z/9b2r9T2I1dmC /6ipsV7g0/A5yEJOe1AAoATZOkJ6mv3XmDFJv2e/wJZFziQKwNA8MFdq8zvC+AwN o4YzZsnBC69RFzKofNGvzvTok5YtNp+GnqyP5r/lNJrLd1cG11Wb7/X1KFgcz8ln Nc3ZSO4sFCmnO8k1pRd5aEvv4vQgFjkUtw5qG+3SKt7WKmGGkAHUMm3bx61OrIfV myThoa1y0zhXocQzsDQMeRNYZ9yKqQ== =gzuN -----END PGP SIGNATURE-----