-----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_15.0-1_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_15.0-1_amd64.tar.gz a051bbf45c13d29ce2307de8a09c0ba26f2e47fd2d260d6e6e9f8ea1262db80e debian-9-turnkey-icescrum_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-icescrum_15.0-1_amd64.tar.gz 6cedcea4a34a9bde79d53ac50137d4ff69aeff30fa7381b636561a6253691d87716b7cdbbdfae1b740023e2c1d92eb982053a2f559870b14030596db6cdca65b debian-9-turnkey-icescrum_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-icescrum_15.0-1_amd64.tar.gz.hash debian-9-turnkey-icescrum_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-icescrum_15.0-1_amd64.tar.gz.hash debian-9-turnkey-icescrum_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9UACgkQhcJelaFu uU0LtggAu/eyfvxigkJFD/sXnq6B82mRln/m9ZjJIAFNNZ9pINRiNLy1sA4BKR5H R9IM8Ew0Deoq8ggHeYVxfRrTHRkI8Js3gOSejAAWl4VSGMA5Cn7I4E+lS3ytCBjG jWp8yplNx2bKE6wuRJ2clNL3fMBaP3+hpuy12ZKR/BPEMY+jviOWkhHLsdf+6NtB 6rr3aN9WRgDuuNTu6gHfunM5zliqI2KSHMzBhWQ+r5VwrOpyRzVCkNujq92NXpie 5OLIUvbYfcDFaohVz9YKKrk58bcc0FOIKnFyjL02EFIWEewPYBA2Nzafc5qW91r4 l+FVTosPdvnn0bIpDMSPYTLd5kaooA== =fXJp -----END PGP SIGNATURE-----