-----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-mibew-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-mibew-15.0-stretch-amd64.iso 0d7fda361c60b57718081d8cb26d5790248e2030b4cd8d9780767fdb48f0a381 turnkey-mibew-15.0-stretch-amd64.iso $ sha512sum turnkey-mibew-15.0-stretch-amd64.iso 90084d9e276128c4d1157ca047aa96a47f3d746345eb1ef0fa452b28180eb5f05db72e0112d2e1fea0e0fc07f8ee20d8a74f70464e5904cd0e622c7c714fb6f3 turnkey-mibew-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mibew-15.0-stretch-amd64.iso.hash turnkey-mibew-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-mibew-15.0-stretch-amd64.iso.hash turnkey-mibew-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAltMlTsACgkQhcJelaFu uU2vEgf8DehtfZIboy1CMS6ecGVaERRGAFPGS5mOlKKMDS1meqiSnU8kRswwaDG5 OfouVo+Yp7VIde9/cEPYevpAsmaHvDA+ZOmN1//PRVUHSoeHsBK+fo3ueJGUNuoW UCTN2z7hHsKyhOYAVm81QOo0pjiZfZB7WDRCjHI3FdhVO8L3Y8o1LqxQjrEjrGNa CmyS7nK3D2PrAJva9cGoxKQaOUg+2+qFWJMy8yE3G6/UoUS9Fvt8Sh3YcDaC2q4L BXlu9PxjNvBtLuXXl4dWzCTxCWXXhqBgc2KIiPm0X49XS3rwDZ/btHZ2YY33MCaI 5NyQYYVsO5jALmTaFmYxoyw0BVwvpA== =dUwb -----END PGP SIGNATURE-----