-----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-jenkins-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-jenkins-14.2-jessie-amd64.iso 0d6e12bd28fd43be0212b0fd863a201005437787c922acdbf0293b5f9ddc2726 turnkey-jenkins-14.2-jessie-amd64.iso $ sha512sum turnkey-jenkins-14.2-jessie-amd64.iso 1ed07385c5e96052c016469be7359e4267be5ae0f08635e7b6c3fa1e3a37bb93077c737807fdf79233a89a6821f8062e98480587b9183fe7d25c5c12f7910900 turnkey-jenkins-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-jenkins-14.2-jessie-amd64.iso.hash turnkey-jenkins-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-jenkins-14.2-jessie-amd64.iso.hash turnkey-jenkins-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNrOAIAJhaLAgLmYKh0ebKzB4UiETU fbfOiOcadHLALxha9Z9OqTRTWwKKzZniXgTzORupdlKs5w79ORoDOIy+lGUgiI/1 NKWvcUhMYzSiYz3zRAZCToHbTwwCxKpkBHvkc92VPDWKkCZ5hOMX+W6zRKiqhx0b rngFWtGVcg0NSxLubLtw02M7PeIg1KiK4fUATYHpA55A+T35Zgej5EmijwR/eM/E tig/XwAPYry7CS4e9CiUwIJ+tchDlOPQD9d3SjYTIeHNZMe4PR/iNRo1aV5JkCK5 p1+3r23qtwQnsUqcrwYkVR8YDeOkoLSQ7hcEAHcRYWDusjklFgQZQYw8W2I0BP8= =Vkqy -----END PGP SIGNATURE-----