That's been over for a long time (1996): https://en.wikipedia.org/wiki/Crypto_Wars#PC_era

There's still some verbiage around commercial products and embargoed countries, but realistically, North Korea and Iran have access to OpenSSL, so it hardly matters.

Another interesting class of dual-use technology are fast power switching elements. And both modern SMPSs and Class D audio amplifiers are worryingly near to what would have to be considered a “munition”.

What are the rules for munitions-class switching power supplies and Class D amps?

A CPU switches a hell of a lot faster than either of those, although with much less current.