func moveArchLowering1(b []byte, x *[1]byte) {
	_ = b[1]
	// amd64:-".*memmove"
	// arm64:-".*memmove"
	// ppc64x:-".*memmove"
	copy(b, x[:])
}

func moveArchLowering2(b []byte, x *[2]byte) {
	_ = b[2]
	// amd64:-".*memmove"
	// arm64:-".*memmove"
	// ppc64x:-".*memmove"
	copy(b, x[:])
}

func moveArchLowering4(b []byte, x *[4]byte) {
	_ = b[4]
	// amd64:-".*memmove"

  public void testBytes() {
    TestHasher hasher = new TestHasher(); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    hasher.putByte((byte) 1);
    hasher.putBytes(new byte[] {2, 3, 4, 5, 6});
    hasher.putByte((byte) 7);
    hasher.putBytes(new byte[] {});
    hasher.putBytes(new byte[] {8});
    hasher.assertBytes(expected);
  }

  public void testShort() {

	Ver             uint32
	X__rsvd         uint32
	Un              [16]byte
	X_sysctl_size   [8]byte
	X_sysctl_func   [8]byte
	X_sysctl_parent [8]byte
	X_sysctl_desc   [8]byte
}

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte
	Version  [256]byte
	Machine  [256]byte
}

const SizeofUvmexp = 0x278

type Uvmexp struct {

	Ver             uint32
	X__rsvd         uint32
	Un              [16]byte
	X_sysctl_size   [8]byte
	X_sysctl_func   [8]byte
	X_sysctl_parent [8]byte
	X_sysctl_desc   [8]byte
}

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte
	Version  [256]byte
	Machine  [256]byte
}

const SizeofUvmexp = 0x278

type Uvmexp struct {

	Ver             uint32
	X__rsvd         uint32
	Un              [16]byte
	X_sysctl_size   [8]byte
	X_sysctl_func   [8]byte
	X_sysctl_parent [8]byte
	X_sysctl_desc   [8]byte
}

type Utsname struct {
	Sysname  [256]byte
	Nodename [256]byte
	Release  [256]byte
	Version  [256]byte
	Machine  [256]byte
}

const SizeofUvmexp = 0x278

type Uvmexp struct {

	Ngroups int16
	Groups  [16]uint32
	_       *byte
}

type Linger struct {
	Onoff  int32
	Linger int32
}

type Iovec struct {
	Base *byte
	Len  uint32
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPMreqn struct {
	Multiaddr [4]byte /* in_addr */
	Address   [4]byte /* in_addr */
	Ifindex   int32
}

	Ngroups int16
	Groups  [16]uint32
	_       *byte
}

type Linger struct {
	Onoff  int32
	Linger int32
}

type Iovec struct {
	Base *byte
	Len  uint32
}

type IPMreq struct {
	Multiaddr [4]byte /* in_addr */
	Interface [4]byte /* in_addr */
}

type IPMreqn struct {
	Multiaddr [4]byte /* in_addr */
	Address   [4]byte /* in_addr */
	Ifindex   int32
}

type hkdfKDF struct {
	hash crypto.Hash
}

func (kdf *hkdfKDF) LabeledExtract(suiteID []byte, salt []byte, label string, inputKey []byte) []byte {
	labeledIKM := make([]byte, 0, 7+len(suiteID)+len(label)+len(inputKey))
	labeledIKM = append(labeledIKM, []byte("HPKE-v1")...)
	labeledIKM = append(labeledIKM, suiteID...)
	labeledIKM = append(labeledIKM, label...)

		want    Buffers
	}{
		{
			in:      Buffers{[]byte("foo"), []byte("bar")},
			consume: 0,
			want:    Buffers{[]byte("foo"), []byte("bar")},
		},
		{
			in:      Buffers{[]byte("foo"), []byte("bar")},
			consume: 2,
			want:    Buffers{[]byte("o"), []byte("bar")},
		},
		{
			in:      Buffers{[]byte("foo"), []byte("bar")},
			consume: 3,
			want:    Buffers{[]byte("bar")},
		},
		{

	}
	var (
		sealingKey   [32]byte
		encryptedKey bytes.Buffer
	)
	mac := hmac.New(sha256.New, extKey)
	mac.Write(iv[:])
	mac.Write([]byte(domain))
	mac.Write([]byte(SealAlgorithm))
	mac.Write([]byte(path.Join(bucket, object))) // use path.Join for canonical 'bucket/object'
	mac.Sum(sealingKey[:0])