-----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 debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz.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 debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz 1a7537b1cf5e11c0bdbe72772efbbd5f5333e184c15c36b72494b0cfceecee95 debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz 869e162055a6fb4086b428b402d17384058a12ee763c14aa6a8a600019971ae16682ec447a18ff5804e2d1ba425e29abdf85785481440a1c50ca7b11cd6f892d debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz.hash debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz.hash debian-9-turnkey-suitecrm_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9sACgkQhcJelaFu uU1QPAf/RVlPenRSFzdRKIXiakluYgwDBWe5yv5cVLkTqkdMOu0Q7WwjDr9Zeokw 7p6UR/pex8//xQccSQN5t+PIjJx8lMLLcSQ0aA8H+e6Xvz/PEn85L8WsdUax7442 OjcEBkk/drn7SgkZvZkY1V01BegNQF4C8dLSKHSNNjEfcQxhd3KmtfG8r32JITGy Rl6NxDzA1i1O1ha8kqnfRJ0BLOyMlq/kYxZN9zxB/4tQymJwxX8C41Ay7pVbuJr/ bzY40e/wSmT+FpW65HPPrRjeKpA1i4yIsgMhx/ncztAacNoSOVDvVwpIPm15icJd I6Qa1vpMsWhCTqkjIw/vOcOkp8fACQ== =ltX/ -----END PGP SIGNATURE-----