-----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-9-turnkey-gitlab_15.3-1_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-9-turnkey-gitlab_15.3-1_amd64.tar.gz 439d973fda13e1b7747a1aaa2e74a8af38b97ef9aa73c72674ae1ba34cd0d2f9 debian-9-turnkey-gitlab_15.3-1_amd64.tar.gz $ sha512sum debian-9-turnkey-gitlab_15.3-1_amd64.tar.gz 534fcf5b105e29f00c72e400feee970ecef505a9669563fe919f9483602b2dd29f5a615004509a5ba287c375b6ec66d11619e66e61057a03605161a10d3c5e81 debian-9-turnkey-gitlab_15.3-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-gitlab_15.3-1_amd64.tar.gz.hash debian-9-turnkey-gitlab_15.3-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-gitlab_15.3-1_amd64.tar.gz.hash debian-9-turnkey-gitlab_15.3-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlzdEEMACgkQhcJelaFu uU31qQgAlEkpqZosFQaMNS1wNIo6Cbsx0iHGC8qldMr2KES05woufGtgjQldT9SC LWiQZRnZZsRFIgZkF2nrRJX9j0YQF7ZcZlLx/hyozwNR6/ZlGgCB22VGeqY3sb86 bTo4AkQVsLTbeZbg1VUTw9a13kgUvUi3yRuYnb9sJvq2KW3B2bsyg7JjPoVQpFv2 L5GVMQzn4q/Y4WLlqBLq0KWMN0Cu+4KZ6ZUFzgJ94E4VLNNbh6MRIXTDkCpLE1Pt sag8Ox+yWBV9p6GuSqEZyYv6VcG4cKZRbfRKUQKGw7HSGFPZah3SI2sRbh4WioU7 UXd/gXrlmEtGwlpGMyEi4yRmmig5wg== =M/ub -----END PGP SIGNATURE-----