-----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-elgg-15.2-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-elgg-15.2-stretch-amd64.iso 74b164bafcce88e2aa2b34dd97b75663967e24e2eff8a69c547b9489ea7e8fd7 turnkey-elgg-15.2-stretch-amd64.iso $ sha512sum turnkey-elgg-15.2-stretch-amd64.iso 1860e85f5ec2399fbf7a4c80e924e602a3ad7e8719ddeb3ab976db352361ab3e16aa4fc5797966430b0bbfdcb051b733fd9dbe1452bfeef15ff386b57777c614 turnkey-elgg-15.2-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-elgg-15.2-stretch-amd64.iso.hash turnkey-elgg-15.2-stretch-amd64.iso: OK $ sha512sum -c turnkey-elgg-15.2-stretch-amd64.iso.hash turnkey-elgg-15.2-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PkACgkQhcJelaFu uU3eDgf/UCqHwL1xPpDf7QZ1h9o+22sWieHFZLejH1nm8wXEuIagGbEP7sbPb7+5 39FoVXSybdnf8eIpQrg+L3L0AxLHHYTv5kKlcWS9MY4MlmLW4aAOEvMqZ+Lpduw7 SWXFjwqj+lKtQIGFbcUBWrauBiaiKhQe/GdHY4txCwx2B155rUWnx7kSbMbKCh02 uKZQD2hyxVscFXfZyylDn1cUSVEyWqxGtN50OR1yhiUdrSnnJPphMBFzkaGHpYnn AiFDChazOYbdXQBXiITnOfzXN/P5DU88vMefVqNaHUqjTMhe107vQeRJasPuM7Rn 0Tgv+YlUyVJ81F2d7d/J8ix2ZlxRTw== =DInc -----END PGP SIGNATURE-----