-----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-processmaker-14.2-jessie-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-processmaker-14.2-jessie-amd64.iso 5bd3f96369bdaea06750ba3d63d291808937a0eef7ef532faeff3ca78dcb0204 turnkey-processmaker-14.2-jessie-amd64.iso $ sha512sum turnkey-processmaker-14.2-jessie-amd64.iso 6c7aa8a88f0f4fd92a733fdffc2722ef58fe8fa861e0fd968a0b18d5e4cb0ae9f21fc44e52a5c6501773edc30ac39cb1e29fc43e430127f1e791d927d707adf6 turnkey-processmaker-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-processmaker-14.2-jessie-amd64.iso.hash turnkey-processmaker-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-processmaker-14.2-jessie-amd64.iso.hash turnkey-processmaker-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDqAAoJEIXCXpWhbrlNIhkH/3BZFpklFQkgldoUsSXGj/u2 OhBmp3OdKD7u0sjMtccsL3TuRFGTdZtuL7QWgMu2Cfj7IMIUpeXLDZYFMUiY/lqZ OVqD2AxeCSWrxmy4O7GPU/Hxw0EB7Lvht4gQGNdcNELKwSvtgpNMpt0dZVAQPDef WD7g1kEWw0eSfjBw37tuD1KCeFPyltxsNglNOcW6LGTSmT1blqZor2aYtwx/dRo5 T5Tkzaa6lqcS/sam61V/L2L93VCFXdpLyVHtOUAcclIXE7WX+SJALSJuSRVmIXjV YDEZJtjaSO634G6Yqzp1Wh2X37kKW3OvHkaGt3Or56+PJChcZ76Cr+Yskw/4fY8= =KkUn -----END PGP SIGNATURE-----