Cryptography is the ultimate form of nonviolent direct action.
While nuclear weapons states can exert unlimited violence over even millions of individuals, strong cryptography means that a state, even by exercising unlimited violence, cannot violate the intent of individuals to keep secrets from them.
Strong cryptography can resist an unlimited application of violence. No amount of coercive force will ever solve a math problem.
Julian Assange, A Call to Cryptic Arms “Cypherpunks: Freedom and the Future of the Internet”