-----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-cakephp_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-cakephp_14.2-1_amd64.tar.gz 87babe7956e22672615b501e3c242240abd9f8f34074e9ec101096d4096496a7 debian-8-turnkey-cakephp_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-cakephp_14.2-1_amd64.tar.gz 36a92335d682bcf4e574417d59dd89ddb2fdb4fe26f38669d6c4869db3e1411bf654aa13cb6b20f525c9e4c7bcdf2acf09672b099e905f4abb807540501b70bb debian-8-turnkey-cakephp_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-cakephp_14.2-1_amd64.tar.gz.hash debian-8-turnkey-cakephp_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-cakephp_14.2-1_amd64.tar.gz.hash debian-8-turnkey-cakephp_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKdAAoJEIXCXpWhbrlNOrAIAJAFPdr6tAegNdvJpY41ut+6 QPFGHhzcYDrKaSqKpwf9HEKbhffq6L2g9jEktPo6vD3ezMPPUuazeRvNkFt09+bW epRs4/ZxYfHOexE0nLwFgNNp8TULh6XK2R7lVdaJcmxs8XDtlmhwFh0CJpKfwn7x ujktw5JeNHx9a3wBY0oHfJPX+BkaDzxeEnUYqzodC79ZR1sdStZupL+RWlwIZ0P1 Jw1RZu7iyHi0UtdJQEO5ETPdBF322QPptJHa1sBlDLYzpn6NAbir2yZGUvS75JeS 40TAqrPxFEVejvxUTr2lO+ZVP4JMy2xzvJyVjTtQ48IJnrKZL1yAjjsXykKlsaE= =c7B3 -----END PGP SIGNATURE-----