cannot be broken, it guaranty that if the keys are large enough, then the
system still works (computing $f(x)$ can be done, even if $x$ is large), and
cannot be broken in a reasonable time. The theoretical definition of a
cannot be broken, it guaranty that if the keys are large enough, then the
system still works (computing $f(x)$ can be done, even if $x$ is large), and
cannot be broken in a reasonable time. The theoretical definition of a