Seems like a better example would be when cryptography in general used to be subject to arms regulations https://en.m.wikipedia.org/wiki/Export_of_cryptography_

Seems like a better example would be when cryptography in general used to be subject to arms regulations https://en.m.wikipedia.org/wiki/Export_of_cryptography_from_the_United_States https://en.m.wikipedia.org/wiki/Export_of_cryptography_from_...