code: def __init__(self, ctx: "Context", kind, key_length) -> None:
      self.ctx = ctx
      self.kind = kind
      self.key_length = key_length
  
imports: import logging
  import typing
  from fate.arch.config import cfg
  from ..unify import device
label_desc: Use image node_id 1 to create a new PHECipherBuilder object  with example: obj = PHECipherBuilder(ctx, kind, key_length)