return transformer, nil
}

// doEncode encodes the EncryptedObject to a byte array.
func (t *envelopeTransformer) doEncode(request *kmstypes.EncryptedObject) ([]byte, error) {
	if err := ValidateEncryptedObject(request); err != nil {
		return nil, err
	}
	return proto.Marshal(request)
}

// doDecode decodes the byte array to an EncryptedObject.

		KeyID:              "1",
		EncryptedDEKSource: []byte{0x04, 0x05, 0x06},
	}

	data, err := transformer.doEncode(obj)
	if err != nil {
		t.Fatalf("envelopeTransformer: error while encoding data: %s", err)
	}
	got, err := transformer.doDecode(data)
	if err != nil {
		t.Fatalf("envelopeTransformer: error while decoding data: %s", err)
	}
	// reset internal field modified by marshaling obj

// destination. It's used when calling Decode with a nil value.
func (dec *Decoder) ignoreSingle(engine *decEngine) {
	state := dec.newDecoderState(&dec.buf)
	defer dec.freeDecoderState(state)
	state.fieldnum = singletonField
	delta := int(state.decodeUint())
	if delta != 0 {
		errorf("decode: corrupted data: non-zero delta for singleton")
	}
	instr := &engine.instr[singletonField]

	rv := reflect.ValueOf(v)
	if rv.Kind() != reflect.Pointer || rv.IsNil() {
		return &InvalidUnmarshalError{reflect.TypeOf(v)}
	}

	d.scan.reset()
	d.scanWhile(scanSkipSpace)
	// We decode rv not rv.Elem because the Unmarshaler interface
	// test must be applied at the top level of the value.
	err := d.value(rv)
	if err != nil {
		return d.addErrorContext(err)
	}
	return d.savedError
}

        when:
        decode([] as byte[]) { Decoder decoder ->
            decoder.readBinary()
        }

        then:
        thrown(EOFException)
    }

    def "can encode and decode long #value"() {
        expect:
        def bytes = encode { Encoder encoder ->
            encoder.writeLong(value)
        }
        decode(bytes) { Decoder decoder ->

	in, out any
}

var ignoreTests = []ignoreTest{
	// Decode normal struct into an empty struct
	{&struct{ A int }{23}, &struct{}{}},
	// Decode normal struct into a nil.
	{&struct{ A int }{23}, nil},
	// Decode singleton string into a nil.
	{"hello, world", nil},
	// Decode singleton slice into a nil.
	{[]int{1, 2, 3, 4}, nil},
	// Decode struct containing an interface into a nil.

  }

  @Test fun `cannot decode malformed utc time`() {
    val bytes = "170d3139313231362333303231305a".decodeHex()
    assertFailsWith<ProtocolException> {
      Adapters.UTC_TIME.fromDer(bytes)
    }.also { expected ->
      assertThat(expected).hasMessage("Failed to parse UTCTime 191216#30210Z")
    }
  }

  @Test fun `cannot decode generalized time with offset`() {

	}

	item2 := InterfaceItem{}
	err = NewDecoder(b).Decode(&item2)
	if err != nil {
		t.Fatal("decode:", err)
	}
	if item2.I != item1.I {
		t.Error("normal int did not decode correctly")
	}
	if item2.Sq1 == nil || item2.Sq1.Square() != iVal.Square() {
		t.Error("Int did not decode correctly")
	}
	if item2.Sq2 == nil || item2.Sq2.Square() != fVal.Square() {

  val BOOLEAN =
    BasicDerAdapter(
      name = "BOOLEAN",
      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
      tag = 1L,
      codec =
        object : BasicDerAdapter.Codec<Boolean> {
          override fun decode(reader: DerReader): Boolean = reader.readBoolean()

          override fun encode(
            writer: DerWriter,
            value: Boolean,
          ) = writer.writeBoolean(value)
        },
    )

        Mac m = Mac.getInstance("HmacMD5");
        m.init(new SecretKeySpec(Hex.decode(key), "HMAC"));
        byte[] mac = m.doFinal(bytes);
        checkBytes(Hex.decode(expect), mac);
    }


    @Test
    public void testRC4Checksum1 () throws PACDecodingException, GeneralSecurityException {
        String data = "fifteen sixteen";