-----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-mediawiki-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-mediawiki-14.2-jessie-amd64.iso 8771301a3f32fdb76437af631c4f0bb266a0a7cc280093dd04fbb482d3ebe3af turnkey-mediawiki-14.2-jessie-amd64.iso $ sha512sum turnkey-mediawiki-14.2-jessie-amd64.iso eecfd1dd36205f91d95f5ebeb76724e7e180b29cbbd1aad40f49ad9412b995858ee5a385944fbd945cb4a17f7e1bd3c1db87e7ec9ae715c4c0960a8aaf6354b0 turnkey-mediawiki-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mediawiki-14.2-jessie-amd64.iso.hash turnkey-mediawiki-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-mediawiki-14.2-jessie-amd64.iso.hash turnkey-mediawiki-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDpAAoJEIXCXpWhbrlNVJMIANFxFC2OKga4/WhqIjpmLCBH ZLeyli9c91jEVIXk66cuAFN5EBI/yRVj0Osa98frv5yLmsI9f8FPZowKQMq9w/0E Rhr4XZJdjrR1ql6ltYnNnIoBjGbvI6yLmWVXg9KunAbvG8i+Kq4nDWeDBVygRy8a 816d2dakz6QAq9YPE8AvipkZk/yyhukItKAhNZwNjGqhrEC5fsZvTW3IsuHAqj1h CVS8rZAO+VzV4OWbrc8zpp9vU83ZtSXMiA4cUEviYzWfz9E3KFMp5wEtG9dNCpnO BBebIQynJeBeRYDcw51Qch+Xh9yMQymK2u4BMEaXZ1SqhLcr4gwOLwrcwki2SPs= =pqeU -----END PGP SIGNATURE-----