-----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-openldap-15.1-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-openldap-15.1-stretch-amd64.iso 1062c0affc6451c874637a9bd19e12d184d7e8cbd8541c9a59567a6091ed2cc8 turnkey-openldap-15.1-stretch-amd64.iso $ sha512sum turnkey-openldap-15.1-stretch-amd64.iso 3805586f99222a12b5a91e9a37a133dd6a081250e22d5801bacef777a65ef2b7262cb676652f42c18d6f448c0f9338a682d02d31e73a6b1cf51c9d1d8787e1a1 turnkey-openldap-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-openldap-15.1-stretch-amd64.iso.hash turnkey-openldap-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-openldap-15.1-stretch-amd64.iso.hash turnkey-openldap-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0THAMACgkQhcJelaFu uU3HgAf+I/jbjlCg4ZZNjgdzsfRTBHJgfD1rD1y/S/GJAtUhiDMI/hXQiSW/IB77 tD7YgVtJdWN6ZtY8ZCaLtPLdpM0XKLAnplKoZaPTHUysWf1mZqzoi+rxiy5z4RTv zuLKzsN/iPX7Fse0rzi3AjY0b+vO7hk22eLtx+3Jv9NUOPWgkiRr7dZDdRxN6zu3 EDmG4bQP7AcS5KUAoZRTbnEp69fVf2KgTVKUvPS1ayqMWcV59STkKIJoS3zV7AkU 5OuqUJ7tdMAOf1VGoptN0QL0kaUgncTLIeNpADsuzqfkZN2Yslz55vIKXzGNt1WX pL1pLaegw38bHOOBb5aaCPUafB/dzg== =EK8D -----END PGP SIGNATURE-----