-----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-bugzilla-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-bugzilla-14.2-jessie-amd64.iso 8b9bd16d3ce6f1f033fdc79ebca29fadef044c8ca791c1b4b5aebc07cd70d2ae turnkey-bugzilla-14.2-jessie-amd64.iso $ sha512sum turnkey-bugzilla-14.2-jessie-amd64.iso e4961daeed4b4223416695f66e5c7777a485254afb9c568aa07ea1c6e3c895cefbaba00249b64abdd90d651e87828a904996ab93abd97006b7b37608529fc806 turnkey-bugzilla-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-bugzilla-14.2-jessie-amd64.iso.hash turnkey-bugzilla-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-bugzilla-14.2-jessie-amd64.iso.hash turnkey-bugzilla-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZiFmMAAoJEIXCXpWhbrlNI+oIALyUG0n6gWH9pkAGu/rqGMHU /Cp76ME6D3n20c2y524J6KrNfaesudDAlzi5Ym1rDcO8S9XcMmoy/qZOHhofjf1d zWy2LpOubd+abysrFgGkbIhD0zHsSTIso5F/ep/A0GBA2N+RbXBqWjQbEu+IWgfl PW863wfYoRAu8U5UdhcsrGfDobbyY/piLbINvnmf//xVCvw60tPFbAwvbkACFnSR YRQFuxSPZb7UKq+Vr/YUjdYIJ5SSMnhBNJz9PZw1AmgIXP0KXy6+o0hhK3IOpdZ7 X9YNwHZe4peVAvqU/xlgHo4rtDiK/KK5S6aaIr7EoHs+sOmaHEsOTFafbJc2seE= =V2AB -----END PGP SIGNATURE-----