code: func NewHandshakeParams() *HandshakeParams {
  	return &HandshakeParams{
  		SymKeyRequestTimeout: defaultSymKeyRequestTimeout * time.Millisecond,
  		SymKeyExpiryTimeout:  defaultSymKeyExpiryTimeout * time.Millisecond,
  		SymKeySendLimit:      defaultSymKeySendLimit,
  		SymKeyCapacity:       defaultSymKeyCapacity,
  	}
  }
docs: // Sane defaults for HandshakeController initialization