b[0] = byte(v)
	b[1] = byte(v >> 8)
	b[2] = byte(v >> 16)
	b[3] = byte(v >> 24)
	b[4] = byte(v >> 32)
	b[5] = byte(v >> 40)
	b[6] = byte(v >> 48)
	b[7] = byte(v >> 56)
}

func (littleEndian) AppendUint64(b []byte, v uint64) []byte {
	return append(b,
		byte(v),
		byte(v>>8),
		byte(v>>16),
		byte(v>>24),
		byte(v>>32),
		byte(v>>40),
		byte(v>>48),

	{"TrimRight", []byte("☺"), "☺", []byte{}},
	{"TrimPrefix", nil, "", nil},
	{"TrimPrefix", []byte{}, "", []byte{}},
	{"TrimPrefix", []byte{'a'}, "a", []byte{}},
	{"TrimPrefix", []byte("☺"), "☺", []byte{}},
	{"TrimSuffix", nil, "", nil},
	{"TrimSuffix", []byte{}, "", []byte{}},
	{"TrimSuffix", []byte{'a'}, "a", []byte{}},
	{"TrimSuffix", []byte("☺"), "☺", []byte{}},
}

var (
	littleEndian binaryLittleEndian
	bigEndian    binaryBigEndian
)

type binaryByteOrder interface {
	Uint16([]byte) uint16
	Uint32([]byte) uint32
	PutUint16([]byte, uint16)
	PutUint32([]byte, uint32)
	Uint64([]byte) uint64
}

type binaryLittleEndian struct{}

func (binaryLittleEndian) Uint16(b []byte) uint16 {
	_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
	return uint16(b[0]) | uint16(b[1])<<8
}

type StrategicMergePatchRawTestCaseData struct {
	Original      []byte
	Modified      []byte
	Current       []byte
	TwoWay        []byte
	ThreeWay      []byte
	Result        []byte
	TwoWayResult  []byte
	ExpectedError string
}

type MergeItem struct {
	Name                  string               `json:"name,omitempty"`

)

var masterSecretLabel = []byte("master secret")
var extendedMasterSecretLabel = []byte("extended master secret")
var keyExpansionLabel = []byte("key expansion")
var clientFinishedLabel = []byte("client finished")
var serverFinishedLabel = []byte("server finished")

func prfAndHashForVersion(version uint16, suite *cipherSuite) (func(result, secret, label, seed []byte), crypto.Hash) {
	switch version {

    byte b4 = readAndCheckByte();
    byte b5 = readAndCheckByte();
    byte b6 = readAndCheckByte();
    byte b7 = readAndCheckByte();
    byte b8 = readAndCheckByte();

    return Longs.fromBytes(b8, b7, b6, b5, b4, b3, b2, b1);
  }

  /**
   * Reads a {@code float} as specified by {@link DataInputStream#readFloat()}, except using
   * little-endian byte order.
   *

func (s *sum32) Sum(in []byte) []byte {
	v := uint32(*s)
	return byteorder.BeAppendUint32(in, v)
}

func (s *sum32a) Sum(in []byte) []byte {
	v := uint32(*s)
	return byteorder.BeAppendUint32(in, v)
}

func (s *sum64) Sum(in []byte) []byte {
	v := uint64(*s)
	return byteorder.BeAppendUint64(in, v)
}

func (s *sum64a) Sum(in []byte) []byte {
	v := uint64(*s)

	{[]byte{0x11}, 4, []byte{18, 4, 4, 0, 0, 255, 255}},

	{[]byte{0x11}, 0, []byte{0, 1, 0, 254, 255, 17, 1, 0, 0, 255, 255}},
	{[]byte{0x11, 0x12}, 0, []byte{0, 2, 0, 253, 255, 17, 18, 1, 0, 0, 255, 255}},
	{[]byte{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11}, 0,
		[]byte{0, 8, 0, 247, 255, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0, 0, 255, 255},
	},
	{[]byte{}, 2, []byte{1, 0, 0, 255, 255}},
	{[]byte{0x11}, 2, []byte{18, 4, 4, 0, 0, 255, 255}},

	}{
		{name: "GCM 16 byte key", t: newGCMTransformer(t, aes16block, nil)},
		{name: "GCM 24 byte key", t: newGCMTransformer(t, aes24block, nil)},
		{name: "GCM 32 byte key", t: newGCMTransformer(t, aes32block, nil)},
		{name: "GCM 16 byte unsafe key", t: newGCMTransformerWithUniqueKeyUnsafeTest(t, aes16block, nil)},
		{name: "GCM 24 byte unsafe key", t: newGCMTransformerWithUniqueKeyUnsafeTest(t, aes24block, nil)},

        if (byte2 > (byte) 0xBF
            // Check that 1 <= plane <= 16. Tricky optimized form of:
            // if (byte1 > (byte) 0xF4
            //     || byte1 == (byte) 0xF0 && byte2 < (byte) 0x90
            //     || byte1 == (byte) 0xF4 && byte2 > (byte) 0x8F)
            || (((byte1 << 28) + (byte2 - (byte) 0x90)) >> 30) != 0
            // Third byte trailing-byte test
            || bytes[index++] > (byte) 0xBF