-----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-magento-15.3-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-magento-15.3-stretch-amd64.iso 49394cca56f3364e43343a6a36bed398ff037d164448dd5a6bcaf6a0712639c4 turnkey-magento-15.3-stretch-amd64.iso $ sha512sum turnkey-magento-15.3-stretch-amd64.iso d82142047d6a101c56dafdc7d4d16d79fb7395de800e7e82cd9ab1a576786e1f0ea15fa57628cf70b01da3a877fe39b486c7d9d19f3c48feccf88b86fd937453 turnkey-magento-15.3-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-magento-15.3-stretch-amd64.iso.hash turnkey-magento-15.3-stretch-amd64.iso: OK $ sha512sum -c turnkey-magento-15.3-stretch-amd64.iso.hash turnkey-magento-15.3-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlzdEEYACgkQhcJelaFu uU34rwgAi3S+u2iX1XIFK0RiByO5xYqVvUHD1iliTQUZbocah3SDqeiXTugks3Sb brTupk2uJGNKIINaqYtf7pJtKAFTrVmPuxpfvKsRh/QEkh4PabulNXr3TTYq2d5T Kgsh3xYb8xtcTq7X1inmTdGs2Ft+b+cjgGenPB8kiiBQBr9FeRId2qbbzGmgdKLX oA5TntdwhPFeR0qxEi9TutpkDSlxrCG0flWN+TvVgewqetFMF1DY0xR4zisJ5rkl 23urrfOJ24yvqcf8JzQVu1OhTyj+NmLZxPm7XVf8yNb3BFlVf/1C+xmg9MtJc06T 4DugKlpzwWus+Rn6MnBXXeNVTFMg5Q== =ywyV -----END PGP SIGNATURE-----