-----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 turnkey-cakephp-15.0-stretch-amd64.iso.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 turnkey-cakephp-15.0-stretch-amd64.iso 602e83c6dbf450c6a0f6e4f9544352f481f42648a6994ea4607b3335b52ef95b turnkey-cakephp-15.0-stretch-amd64.iso $ sha512sum turnkey-cakephp-15.0-stretch-amd64.iso 76c19ca931f8764c41ddbb406f5b86336ac18266d89279ba628857097fd755bab3ddcb2876a621f2a7267a1a56ba5ea5cc4e290639d06ecd01e86b215a0f6a23 turnkey-cakephp-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-cakephp-15.0-stretch-amd64.iso.hash turnkey-cakephp-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-cakephp-15.0-stretch-amd64.iso.hash turnkey-cakephp-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAltMlTgACgkQhcJelaFu uU1/eggA6zB422FUcJ3wa+qOwo+djZLvgKj2Ez+jFEXQlM5GqUzaFySeIMR3AWrl btPmMPCPj/2fN1PvNCIrqUwfbdxbhCE0aaCu7DfthAWp0z3HMVUf5VBcBCUWqxCX g5HXClC0VddVoX3d1UUzxc5k3vHCTpstkRQ85MMeRTBiBTSciMSUKW75zYZWzeh0 A68Ecs+iBFKpnrmZWyNcYB00RxskZyvlbVzhstMDeSQs2DY/pL9T0m9wWdMDdn/U xqUjUxS03plQXidxvMrK4lKJ25r67Vgb68wHY1Pmx0nCw1GD060DHPzff5nS5v5Z UC+V603rskDeWqtLHqy6QkYsSRtgEQ== =GVCk -----END PGP SIGNATURE-----