GNU AFFERO GENERAL PUBLIC LICENSE
                       Version 3, 19 November 2007

  libpqvaptvupt — post-quantum sealed-box encryption.
  Copyright (C) 2026 Cristian Cezar Moisés. All rights reserved.

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License
  along with this program.  If not, see <https://www.gnu.org/licenses/>.

  Full text of AGPL-3.0-or-later available at:
    https://www.gnu.org/licenses/agpl-3.0.html

  COMMERCIAL LICENSE:
    For use cases that conflict with the AGPL's network-use obligations
    (e.g. proprietary SaaS deployment without source release), a
    commercial license is available. Contact sac@securityops.co.

  VENDORED SOURCES:
    src/vendor/zupt_*.{c,h}  are derived from Zupt v2.1.5
    Copyright (C) 2026 Cristian Cezar Moisés. Originally MIT-licensed.
    Relicensed under AGPL-3.0-or-later for inclusion in this library
    by the same author.