-----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-joomla3_15.3-1_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-joomla3_15.3-1_amd64.tar.gz 0b3a50e9cc1c71d9ab02d1c70bfb5a912365a7ffdae8bfca98b0d1f96f80bcbb debian-9-turnkey-joomla3_15.3-1_amd64.tar.gz $ sha512sum debian-9-turnkey-joomla3_15.3-1_amd64.tar.gz a839c585c34e52958840a25e30ce2f64df0d5cb4abb9b32d32d446f79edad7bbab08149c19b76788f4eec8f688f5e3ccadbfd9f71e828b523632652dfe7ac3c0 debian-9-turnkey-joomla3_15.3-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-joomla3_15.3-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.3-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-joomla3_15.3-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.3-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlxhNvkACgkQhcJelaFu uU3Sswf8DAewKEok+yHXEXgpQAzX85DswhAbmC7wFIyvxB6JHLKLEqJgJVkujEBa skk0l+NQeRxqKZNEAzqGSApuVh1kwzrLuH6zqnkOJ/k77aWnarWzouNrsG0ERoEM bDDz7Yv9uN1/mLzVFhZB3g5oyIJtc9zw0PwxX3d2KXjpy02WtJJ8mxd5XezTg3JN WoAgaZQRh+0G2pmcZNwf0wsbBISOxh4katVCTLtUT8WbkLlXqbCCDO61f1Kkd9FE dUEXS02ZX26sSRSM8EMlkx2oe6V64evHOtcpmMoMMda9DwNh2m4IZbbc8id5UAcU oFR/jZstYnul02uLONRRVV9p8SwjfA== =25IE -----END PGP SIGNATURE-----