-----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-couchdb-15.0-stretch-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-couchdb-15.0-stretch-amd64.iso 15bc84e36bee426c060189da19260f5a62b1e0c5fc4b0039d0610be0740ccfe8 turnkey-couchdb-15.0-stretch-amd64.iso $ sha512sum turnkey-couchdb-15.0-stretch-amd64.iso a9a13509a022c22f348a7f180bbc5df6d783bc6d8b46e298d7f8442827d828d83219cb822280ec956b0d77a0214611b55fb2b2542f0ef79e9213f0f33caf290f turnkey-couchdb-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-couchdb-15.0-stretch-amd64.iso.hash turnkey-couchdb-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-couchdb-15.0-stretch-amd64.iso.hash turnkey-couchdb-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluD9TkACgkQhcJelaFu uU0qSgf/Ui9iUmtEcxa5ZoxrD27Gwx2xZeKqNq8g9+b6vIxof2RzcVtEEDo7oUzC hP8fahGHF2Tn318DDilpvFV4j3wcUMc401IHPQxO+Wd0v27k/dhM4kaJ+8l6+Emb 55bpXN6+zyEdqkN8MWaIYf5urHkmIhEZEC2X4VJqUR3Mno8109ZnWKYozRGdQZPZ mQ0WOKuZPPaYcpq++HIZ8JkgrPFsF8y3lDlGrnpRRsq0kZl/Yvymo33tc0siyuBJ Vb1sg7et3i3SjqRzh1NtVZsSEEGCsj6S85p6An5IiYj6GmvAgUu0c6T46LW+a69Y ldMgq4dJ/6Es4voL3RwPIq83TW2G6w== =rntR -----END PGP SIGNATURE-----