BSD 3-Clause License

Copyright (c) 2024, ja4plus contributors

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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DUAL-LICENSE NOTICE
===================

This repository has a dual-license structure:

1. The ja4plus library code (this repository) is licensed under the
   BSD 3-Clause License above.

2. The JA4+ fingerprinting specifications themselves were created by
   FoxIO-LLC. The fingerprinting methods JA4S, JA4H, JA4T, JA4TS, JA4L,
   JA4X, and JA4SSH are implementations of those specifications and are
   subject to the FoxIO License 1.1.

   JA4 (TLS Client Fingerprinting) is open source under BSD-3-Clause
   per FoxIO's own licensing terms.

   The FoxIO License 1.1 is permissive for most use cases, including:
   - Academic and research use
   - Internal business use
   - Security research and tooling

   Commercial productization or resale of JA4+ fingerprinting (other than
   JA4 itself) may require a separate commercial license from FoxIO.

   Full terms: https://github.com/FoxIO-LLC/ja4/blob/main/LICENSE
