-----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-gitlab-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-gitlab-15.3-stretch-amd64.iso 4044f990d518dfe24587c1dd8d3bd724130cf8ec4e3a00ce8057ace232dcb0bb turnkey-gitlab-15.3-stretch-amd64.iso $ sha512sum turnkey-gitlab-15.3-stretch-amd64.iso 99c03e904c33ecd41cc8459aa088904e926b608b28b0334367c79954abe216308dc999487b3a9af62b7c79378f0f35cd63c69e5bbd4ffbaf0e13117dd5c85a53 turnkey-gitlab-15.3-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-gitlab-15.3-stretch-amd64.iso.hash turnkey-gitlab-15.3-stretch-amd64.iso: OK $ sha512sum -c turnkey-gitlab-15.3-stretch-amd64.iso.hash turnkey-gitlab-15.3-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlzdEEUACgkQhcJelaFu uU1zHwgAo1iMT0xck2yiZrmd10xH6hP6p5Mx2PEApNVFmUx2M5MMbAlI8aNLg5PS lBlYnjacv3TTweBaFQr1syMTEhQOjVJqFM4IYnMkx5Wh0lvHz5D3U9GPtxSlUMFl viVNuvSABLhq+a58rZEnMLu18iJ01uS2xkW32A2Yau04RpcwHWN8Exiojc16yCLg CYcBrUr5sVRoiIIASxuWAboQwY//nCNXKx/yjcgusXsrjSD00sAkMnaivQ0wcSrw +ofD3j8AurWf40IZ5y9UTANVpNRSBj5TUT+FejNi+GJulgyOMgkNDSZf6ja2ZUkU y2xfUTc6eK4QDKiTL6z/vn0k99xR+A== =ZHy0 -----END PGP SIGNATURE-----