Files
nixconfig/modules/nixos/certificates.nix
T
aaronandClaude Opus 5.5 5b38fc4155 fix(certificates): temporarily distrust emSign ECC Root CA - G3
Eight eMudhra intermediates chaining to this root were generated with
trivially recoverable private keys (Mozilla bug 2083449), so anyone can
mint certificates that non-browser clients using the system bundle will
accept. Browsers already block them; the system bundle does not until
cacert 3.131.1 (nixpkgs f903b88), which has not reached nixos-unstable
yet. Drop this once the flake lock includes that commit.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-21 13:39:53 +02:00

26 lines
1.1 KiB
Nix

let
caddyRootCA = ''
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
'';
in
{
security.pki.certificates = [
caddyRootCA # self-signed pki ca for my home-lab
];
# Temporary: eMudhra intermediates under this root have recoverable private
# keys (https://bugzilla.mozilla.org/show_bug.cgi?id=2083449). Remove once
# nixos-unstable ships cacert >= 3.131.1 (nixpkgs f903b88).
security.pki.caCertificateBlacklist = [ "emSign ECC Root CA - G3" ];
}