Just check out http://www.ssi.gouv.fr/en/regulation/cryptology/
"...
However supplying, importing and exporting cryptology means in and from France are regulated activities. These operations are either subject to a declaration or an authorisation process.
ANSSI records declarations and investigates requests for the authorisation of cryptology equipment and services in accordance with French and European Community legislation. "
https://en.wikipedia.org/wiki/Cryptography_law#France