-----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 debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz.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 debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz 7fb11178746a26075c5cdc1037f700b50856be8a63272bd6fec950395fed4e81 debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz 1de683806a7b10df65e72da7283afc611beedc3748579562fd2aef22ec43c5eadc5cb9971c42266b0592762f7360ed5e41dbc755080ba2ec4e75de032eb00555 debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz.hash debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz.hash debian-8-turnkey-vtiger_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo90AAoJEIXCXpWhbrlNL08H/i7mfVT8do0q8niG4tKdpaP2 RUvGSAlnQ5zCsC2ComZQvpwqnnW7cr1D2cniBe0rBWBXqLhBIM1YS3ZnUjsC+tos FtfeRTaEnHaEjMSAesvq9gRobqPxtJx6Ezt4dnI1pf+6A+hhl4e+jQdIeKa/m+7b 4QwPe78hjJ5xIHOwroI3YFG+4cOcGL/FPoPWnxO8IaHrC8D07ttCSCBN2Acy9FtT hW5wo8S1rAxMqQ7jJ+eCYXmczK7Kd1JNNmqSTiFJSxIAxogj815lVwRarsKP8UdM TWKZ0ToL+FRt6Z5iTYYFHPIiZegqejj0bjEoVGgcNXESTi24Pctgn4zxPYGK1Sk= =SUI8 -----END PGP SIGNATURE-----