-----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-b2evolution-15.1-stretch-amd64-xen.tar.bz2.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-b2evolution-15.1-stretch-amd64-xen.tar.bz2 532f2ac06c4d87571a7866105837358188f8ae19fbd0a288ecb1967a83d3649f turnkey-b2evolution-15.1-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-b2evolution-15.1-stretch-amd64-xen.tar.bz2 9dea09d82d9ed4e87d6b91e0df4e3365b7dd4f8503b83875d821535ba2a90fc71a88dfc351e7db869321bd736471409c087f8ffe50274eefcf65bc1159d1b9f6 turnkey-b2evolution-15.1-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-b2evolution-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-b2evolution-15.1-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-b2evolution-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-b2evolution-15.1-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITO0ACgkQhcJelaFu uU0f8gf+InEcyWd5uJ0Br3KoX/r/HVioZtC275nFliENDZKGI5wTtpEMIqfLCsCL v9rJ2M9+mE4OCqoDd5sAGHF2ME4oKW+POysIu3qmdwOIVLAUxbeXPmPAhTb2NE3s sqG4vzLnbs5jXCWzh/RG42/mIsxXJ0ePcU5GQWhRt0SVoRtXw9Xf+CHYCMXkyrPI pB+8mj4CWCCvgfUGCYmZviihXJjpczUEZVFK8FirTeZeqWweu8zlhIrynhbPG8Eg l1ukhRQM6QlcMYrz4udo0NSHhJZuzB0PbciNlg0f0Vy/MQ0ArbkwsqLSKcqEd9Ep q7ChFuWy2Drzxrs0GCBOw37eDVRG5g== =kehi -----END PGP SIGNATURE-----