-----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 debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz.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 debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz 1787591791954229c26c474e64cc494a079c328be06b98049bccca1df1cb9da9 debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz 49f167f1976461640b33b9ed68a3fdbca56fe5fd37112c891bcdd775a259f0de64d4bb2179a31060e21b10d4b669edf977e86f975d386b8533bccdc4b5918649 debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz.hash debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz.hash debian-8-turnkey-gnusocial_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNvTUH/ir4l6F5QTHA5oEmkeDxXeid PFDjDmi265uGLW7SXYetnYLnqFgjIsTkazeVlOLw0pAkQ/3Nny5qT5E16ntGbo0t tajByJ4Dhd6hGvD01F20NQY8jxcsTnxe6TMQ6AW3f8S6KQQJpyNVNZtgfDV9WQ1C 0TAMS/Kkz9jSoSNh7wGUSV4X3W7gPOkeG0rmwkl32R9ENm+zt0aZXowBf9gAp8Un pZpNf87VJ3tmUpzFLe3oCT3a1/ZffYYumjEinRBXR5puobpQdgWjw3aSjBbcGmHY WZFmxFZZSpGsQgFudQOQSo7j/rKGtIlkhDESvg/CtsCXBC5isiU0N8IMPGeigT0= =nK2K -----END PGP SIGNATURE-----