code: def gen_keypair(
      bitlength=2048,
  ) -> Tuple[EncryptionKey, DecryptionKey]:
      p, q, n = tf_big.random_rsa_modulus(bitlength=bitlength)
      ek = EncryptionKey(n)
      dk = DecryptionKey(p, q)
      return ek, dk
  
imports: from typing import Optional
  from typing import Tuple
  import tensorflow
  import tf_big
label_desc: Use image node_id 3 for calling a global function with example usage: gen_keypair(bitlength) and returns: ek,  dk