-----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-9-turnkey-icescrum_15.1-1_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-9-turnkey-icescrum_15.1-1_amd64.tar.gz 28204f087eabfc0b610fa3e109ca1014ce5c2544598469280e9016656d85c6f0 debian-9-turnkey-icescrum_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-icescrum_15.1-1_amd64.tar.gz cc3f138d5c395501decbe215419b41e836c322a790d47c67151ac1082abf3cddc29aec86f0e822fdb89fe2ce66d68029249dbc3b122e964e7ffd5bff0d7eb938 debian-9-turnkey-icescrum_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-icescrum_15.1-1_amd64.tar.gz.hash debian-9-turnkey-icescrum_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-icescrum_15.1-1_amd64.tar.gz.hash debian-9-turnkey-icescrum_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pg8ACgkQhcJelaFu uU2YBAgAsTjtQhhm56eV80Mf8qZRiOhIWlcGeQpZdvljhlvOXxIMf+F4JB5DEh57 1TXkPP9DfR6RIf9roXkEKp8pOwMSCwwVzKMwZ673jRxMRBuVZM8pcjV0Jzza67x2 Njl72d9AJ82yDMQnb8m7W50KJVJgFFUaKTF09TMOMrzT9NBNjElMV0kDy2lKLf2Z 0NMEW3WWyNRst9o647LK6YTWCXTP5oicPDh0AIYIxH++hdJtg0eTWTiVf1M9HDOc pMXGYwAm30DzF8CljPKuamhdf9YsqZJo5HnVWh0b7KqHbF/bswoI5c853ttoJ/4o a0OIWDpO0Im/2lfeV8Z6yuMLo1v1Wg== =Gmaf -----END PGP SIGNATURE-----