Yes, to a degree, although the laws in the books have never been used against a single company like this before.

We have laws preventing all American companies from cooperating with Iranian ones, such that I as an independent Mac app developer cannot sell my app in Iran (no one can). We have similar laws regarding even the transport of encryption algorithms.

The real legal question is whether Trump can do this via an EO, or whether he'll need Congress to do another China bill.

Probably not.

But... uh...