-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-nextcloud-16.0-buster-amd64.ova.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-nextcloud-16.0-buster-amd64.ova 834595b9aaccfb93eeb3a7e7c2e52aecb34103a832da7a3b266ecc8e10891621 turnkey-nextcloud-16.0-buster-amd64.ova $ sha512sum turnkey-nextcloud-16.0-buster-amd64.ova 322ab7149908fe2e5f4652ebe3119e5afdb8007c8ff52fe8e21ac3f6c6e2595f895d6a44ed61dd91ffad08f5ba371ec46bd971b7e6c7c823ce04c918b4316cc8 turnkey-nextcloud-16.0-buster-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-nextcloud-16.0-buster-amd64.ova.hash turnkey-nextcloud-16.0-buster-amd64.ova: OK $ sha512sum -c turnkey-nextcloud-16.0-buster-amd64.ova.hash turnkey-nextcloud-16.0-buster-amd64.ova: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7KTbcACgkQrF6wBJPl vByaXBAAmAhiw/UOmnRnmxdgd2W45KSav1YWE4A9VBuS/MTtXtF2l1J6JUy1XiW8 A3QgYIHZ2yVZeQoTAz0UbUkC2MCMLaEKTCZrdsNtnUGWSCm3/P3SvWIfMjCDzKMh 6zJQJgKJlILALtR3x9VlE0E1iWBTzSjuwpWs6YwijaIQtCasUT9M19ByRaXSikZw Rr+Vo4p5QgrKy/Tz3U+8oNg7jb6fFdyLogU5W9OdonjDUiw+OtAYUScb27TjYsVc yEUdBXqVoOoHXOQMjTRL25NmtHd5mM0vB4rnSHQ881Us0YPsxdt4crpX17lBXZKC ButUAry9zXxh8Iz0LyUag9eyQDIYO0FoUauRyW4w/KU066ILKAaBcpWspJwCJBQJ VQZpwKGVyxG3kRE298lrzCs5IPQYEi1HcX59bu7Eoyv+C2HYAbchGlmw7GH9pIDC M+/zwzPIAOq9r80zAtiEx2ZqSvL1GDj/FEGXDDYWXuUhuixPD0B+p3/yZ2eOsbGM WHC4EBGkj6jlE+gVh6odC9ehbnF5s+rsmqsJx1SiZYoaVleN689Wem3GFoOUByyD UgOxWLignzXMDFOXqLXhSiFdMcm/ysanK/BIfEmCBePOccXIPiLF2Tn/OK0HCtWb 4K2blASLC48D4ftbAELfrTlZh2QFTM2TeHfOK4A5lL4n41GcMK8= =XkGJ -----END PGP SIGNATURE-----