-----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-bitkey-14.1.0-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-bitkey-14.1.0-jessie-amd64.iso eb3e71039566450a3335f52d3912db8a0ebe0e2cb416ec7d26465858cad93e6e turnkey-bitkey-14.1.0-jessie-amd64.iso $ sha512sum turnkey-bitkey-14.1.0-jessie-amd64.iso 20a2f6198940a15b5fc6371c0fb9b49fcd2f12d2e6d303d491880f6693ee0715344a454c4aaef044a24067dfba4ce39486a112fbb15d9d95f8aef9f10ba11466 turnkey-bitkey-14.1.0-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-bitkey-14.1.0-jessie-amd64.iso.hash turnkey-bitkey-14.1.0-jessie-amd64.iso: OK $ sha512sum -c turnkey-bitkey-14.1.0-jessie-amd64.iso.hash turnkey-bitkey-14.1.0-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJYgPQiAAoJEIXCXpWhbrlN2qsH/Rro9QalWAmxdVTAvzO6+HUq bb/4DsSQiMF3WusvGELMmoFthSwhiA9M24c+0Jcc8NDyUPAUPSnW6TmXn3np95R0 Bo5ngA7aT5720WwSB8r9sxz3Ne1zM9riFWXMeTN2g6/vwIZa5WJYVsKqKuMWqQXe 8wtJhXP1ozlJyNT80icbbBN6/A4P7ziv2MpGHwhPY+k1nWo8Nq8I2/+3ubVLOqf+ yDQiXwDtE1zg1kyYyUbn5pSMSraljxB+iXdTLgNevnGF2u5EwBRsQbVTST8bgBUx Q+YtZ5LZffCuyksxSdNDad1CSbIFP/cfjzIZ+NblQhlBQ/1hitrnElglOrZYygU= =g+iK -----END PGP SIGNATURE-----