-----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-15.0-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-orangehrm-15.0-stretch-amd64.iso dae6974074007e2149ba0f1eaca91a6402d835871647c8d623ec95b1475da8e1 turnkey-orangehrm-15.0-stretch-amd64.iso $ sha512sum turnkey-orangehrm-15.0-stretch-amd64.iso 2f79b0d9a0e287f5332029e3cb26e9791ce11882b20a6e65f769b539d8dbb0c3daa4c5c5daebedab3bb0698ebc38d8f6bfa05cf3ca1be8d0a800a939b14646b4 turnkey-orangehrm-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-orangehrm-15.0-stretch-amd64.iso.hash turnkey-orangehrm-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-orangehrm-15.0-stretch-amd64.iso.hash turnkey-orangehrm-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluD9TsACgkQhcJelaFu uU3fwAgAo/aPijXKmJnrQq8B+DpS17NdDksGI2X6I6emv1iZ+ZR3+18K8DdVVMPU 1D2NhMSaw9JOYzoBnEf6BtiXBfsusBu9FTIvfL0vi2dLilRVXiSJmIE/xiMhksE8 4cvR4x8wheJhNR0dByXc8Z95Kzm7LgZn02/Fte0ZSA96kBPcAXY5kBn8rhEedHTQ MqmT2EpjEi7pEktrhHnf8dwj/svToLgXfJNfP++vlhe5TeVcDSK3tN3jK3tB/IyA xsF1GYqeuw7i4073W42H1OWrQ2aXsT9YVjwZDaOWMUPIxAAsd/tT/CjHZH85+uYA vXUQTS4Muu+9FnlaxTyTBmr7QkJ35w== =ApV+ -----END PGP SIGNATURE-----