-----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-cakephp_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-cakephp_15.0-1_amd64.tar.gz 769e07f8d0b177b43fafd02caed8f286a90480fe825c32d447f8c5cd34caf9e7 debian-9-turnkey-cakephp_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-cakephp_15.0-1_amd64.tar.gz adace53c35ced91a23355d2cfa5b6ee1fea9bfb353711b063d1c0194cd0269f59c931edc34dc36ac8b6b0031b6f8484fef765ae07ee9f0780517d3cb1de0074c debian-9-turnkey-cakephp_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-cakephp_15.0-1_amd64.tar.gz.hash debian-9-turnkey-cakephp_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-cakephp_15.0-1_amd64.tar.gz.hash debian-9-turnkey-cakephp_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9MACgkQhcJelaFu uU3JFAf/SILbylB6YcYNydjFhg4cLet6XxEopdNMgOHwcAKrMF1j6YCr67At4j7r w1ymQnRfoSQQPfSi2hNi4Zj+/Yr3ow8PsrdKY+SoX2yYbsHx2ejMKx5v0M9zvUQc wd0Kn/hPAMyuODASxmnrFyOMkSfwz2qY5IeAHUT0NEyaJGMVR0Gcx+12kH/IPnFi Hji3rjlHxmldG19M22+f/pGEAHxWYZKQvmPXtMJcu6xPw/Hnyq01/wlL3+ak6rB+ DoqIeeOop3Y9xAIB7YS9Hd83sycWxTjXU54N6BKnpIevSp2fV0ZkrCiA5imlpwdL YE8sviPjaDOf6ypTYBuc3x5lbnsgAA== =qas6 -----END PGP SIGNATURE-----