-----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-asp-net-apache-14.2-jessie-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-asp-net-apache-14.2-jessie-amd64.iso cef0ca414b9037341fde944443492ae1c750ae6dd5c1af8de4bb3e462da31440 turnkey-asp-net-apache-14.2-jessie-amd64.iso $ sha512sum turnkey-asp-net-apache-14.2-jessie-amd64.iso ae874135b778e312e279928af1744c80b7460a594326b98f2aa3f6d15d55e864daaa7494bcb355ac4b98e4f2286895b613fe42518c2cf365f6b7776a0caa84ba turnkey-asp-net-apache-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-asp-net-apache-14.2-jessie-amd64.iso.hash turnkey-asp-net-apache-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-asp-net-apache-14.2-jessie-amd64.iso.hash turnkey-asp-net-apache-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNSOsH/jm//2FpOTn8YfcqmiHEuQ/D 0mh6P7Zfp3jv3MAeI9KT5sCg6P+t+d0WQAKACX2Jw3BGNbU410965t64BvH9XxBQ UHkXOAQLn+Ko6W95I+cCIbakvUtRpNO5VunuitXgnlQCJJNlrLfd/We1MG89jWfi pIyvZiY5E8p4ycGeXVsalcoqZympWoar+l/IQBuY/02ufmbLMdGPCfP3qmSgVREC /KKQhE0Dl6owoKo6X3hmgHEpqOOLWxI1ULpkDo79NpjkxT2VChcxLbN++K+Ja++l EwHUMR5sUMgOt4JS/8Mps4Um6luW21KraHyuQ80prjo4Om/9MZjFi4s3aDyA4qM= =Rp0E -----END PGP SIGNATURE-----