-----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-wordpress-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-wordpress-15.2-stretch-amd64.iso f077137661001f35e0ac3daa46ebc28fe2736fee9652d10bce527d4dcbeb6635 turnkey-wordpress-15.2-stretch-amd64.iso $ sha512sum turnkey-wordpress-15.2-stretch-amd64.iso a1d4b8692f0c15458053b216f614778790c31f6619143e62e6e3123c3e8e3504989bd089d0748869843efeee550e7d3bf3fb8c71792610a0a677e0912f7241b1 turnkey-wordpress-15.2-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-wordpress-15.2-stretch-amd64.iso.hash turnkey-wordpress-15.2-stretch-amd64.iso: OK $ sha512sum -c turnkey-wordpress-15.2-stretch-amd64.iso.hash turnkey-wordpress-15.2-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pj8ACgkQhcJelaFu uU2XVgf+ImH9bq4We6L45N2MRDF6Ckzedq2oQlOTM85EwncBtc7deogbGreHscyx p6GOKif3PItNmyr52Jp7nmtiOaLFG4WIXELG519WlOfWd5PpglqivFwynMksuKLX Ht9JGEPEkT6CIYulbcLULU82YUn/b9ICsN4dk4KkRHbuZorOYAg7AAngFuoSOC78 XIaTYcCXgkSoSMyiaEMAG8XEigoyuO/ud31e8LKfgSaV+68yKukY4QcTdq5dBh0N 0bbvxeSGl58ELYKiR+89F/66hKyXAsATVDrSAPuUrBpDizPyyBMt/UyshVGT2755 a7HsBQWSa2h0WcL/Zlbab0P7AEtdBA== =QrWd -----END PGP SIGNATURE-----