-----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-orangehrm-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-orangehrm-15.1-stretch-amd64.iso b75100348c70f1ee9daa29351756b862e2eaa1c28ad19741c6081b1bf6ab00e7 turnkey-orangehrm-15.1-stretch-amd64.iso $ sha512sum turnkey-orangehrm-15.1-stretch-amd64.iso a574836b91c77009c612f138c3941fe59ed0a0c4e2c9b4df756a4b5f51395d31ea28376896b7c52f278c23dfc705ae6e3c9554afa293b01b5e65eb43c3ef8ce9 turnkey-orangehrm-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-orangehrm-15.1-stretch-amd64.iso.hash turnkey-orangehrm-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-orangehrm-15.1-stretch-amd64.iso.hash turnkey-orangehrm-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pi4ACgkQhcJelaFu uU0S+AgAjKAk0OqO7tcPk5qoDrNItYf054LQcNk2sGMq/zeUgLwxLFKHoT8ooUuL jLFor877dk4R2hHOcWrM73osbaf5UdGkbvuBWl4nsftCoDnx3Atps5MHvDZX5Qz4 6E/NGG1owtGTQ89OJCwN6/tgycfQu/dtEfJqyWRu6/BZLMYRYIKzXQH/EO6D+9c0 j3GADtnTfgYV2yUoli+rsPWBtZmK0Ty//ByUEwARwDk1C1W+mJ7Lbp5zoewNIFPu n0kx4oAJDr1s0bE4KNeD7AaegLLU/K/TuOdfPaYz6pq1R/yiFPOEMe8T4p+F1ZsG iTl4j+TiJkEGOpMX+CtbyPuyQ7UySg== =E6Go -----END PGP SIGNATURE-----