-----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-cakephp-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-cakephp-14.2-jessie-amd64.iso cf0b620ecfa1079c5b855773bef85278e04b042993ecef7c8828b7234ac3d3fc turnkey-cakephp-14.2-jessie-amd64.iso $ sha512sum turnkey-cakephp-14.2-jessie-amd64.iso fb493ef23cb3e527727ff4e092c8d4d63fd04df824ac6dc618d58f5719405c170700e95bf629b617316713fbbfcf0e7c83da85a41401de9ed5dae4c79353a063 turnkey-cakephp-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-cakephp-14.2-jessie-amd64.iso.hash turnkey-cakephp-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-cakephp-14.2-jessie-amd64.iso.hash turnkey-cakephp-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZVQkiAAoJEIXCXpWhbrlNLPIH/AwBqKzj3ner2VQCERffmNor 0vDzBMKyMcEK0uByhT/ZAP0AQqMwusWjSezIH8ONr/PyDaHZly5m8CBGm2WTcwCH sdO19QwgMd9T/Iiqw+WXYbjH59XNikWmtZlXYdnP/+9qRWIzPp5ec7vUPTR6S/TC aMbgwqFs4RSRkl+6ILAVgfAqfGy2iibV2S55j6+LkokephJAAcz+qsNQh1X3NrG6 oiqIj7+6JMhtqDXdaRQo57m5TZGht2YsQe2/JAPXK0hgrGrxeDD3VnN+5yjwGtmi dPCEFUhHPni/tkpOKY2r5kdjtK3IcHOVx5ztk10VMXZ7dqaYACR6E6NNG0aAl5w= =o9xs -----END PGP SIGNATURE-----