docs: def get_session_data(ctx, username, password, salt, server_public, private, preset):
      """Print out client session data."""
      session = SRPClientSession(
          SRPContext(username, password, prime=preset[0], generator=preset[1]),
          private=private)
  
      session.process(server_public, salt, base64=True)
  
      click.secho('Client session key: %s' % session.key_b64)
      click.secho('Client session key proof: %s' % session.key_proof_b64)
      click.secho('Client session key hash: %s' % session.key_proof_hash_b64)