code: def prove(x,t,kw,y):
      
      # Verify the key type and compute the pubkey
      assertScalarType(kw)
      p = generatorG2() * kw
      return (p,None,None)
docs: Computes public key P*kw where <P> = G1. 
      x, t, and y are ignored. They are included only for API compatibility with 
      other Pythia PRF implementations.