4. Conclusion

Since the LCEN law of 2004, the use of cryptology has become a freedom in France.

Every citizen has the right to freely use any product that encrypts data.

This freedom is guaranteed by law, even if certain media and politicians would like to challenge it from time to time.

However, the state continues to take an interest in this science, and the declaration procedure meets the state's needs.

New cryptology methods and their operation can be analyzed in detail. The skills acquired in this way enable the police and the judiciary to understand the technologies that criminals and terrorists may be using.

Export controls prevent the proliferation of dangerous cryptology products into criminal hands. These controls are evolving slowly. However, it is possible that in the...