_ = b[7] // early bounds check to guarantee safety of writes below
	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)
}

type binaryBigEndian struct{}

func (binaryBigEndian) Uint16(b []byte) uint16 {
	_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808

/**
 * {@link Byte}用の変換ユーティリティです。
 *
 * @author higa
 */
public abstract class ByteConversionUtil {

    /**
     * {@link Byte}に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @return 変換された{@link Byte}
     */
    public static Byte toByte(final Object o) {
        return toByte(o, null);
    }

    /**
     * {@link Byte}に変換します。
     *
     * @param o

func NewSHA512() hash.Hash { panic("boringcrypto: not available") }

func SHA1([]byte) [20]byte   { panic("boringcrypto: not available") }
func SHA224([]byte) [28]byte { panic("boringcrypto: not available") }
func SHA256([]byte) [32]byte { panic("boringcrypto: not available") }
func SHA384([]byte) [48]byte { panic("boringcrypto: not available") }
func SHA512([]byte) [64]byte { panic("boringcrypto: not available") }

}

func gcmLengths(len0, len1 uint64) [16]byte {
	return [16]byte{
		byte(len0 >> 56),
		byte(len0 >> 48),
		byte(len0 >> 40),
		byte(len0 >> 32),
		byte(len0 >> 24),
		byte(len0 >> 16),
		byte(len0 >> 8),
		byte(len0),
		byte(len1 >> 56),
		byte(len1 >> 48),
		byte(len1 >> 40),
		byte(len1 >> 32),
		byte(len1 >> 24),
		byte(len1 >> 16),
		byte(len1 >> 8),
		byte(len1),
	}

	Creatim31    [4]byte
	AuditID      [16]byte
	_            [4]byte // rsrvd1
	File_tag     struct {
		Ccsid   uint16
		Txtflag uint16 // aggregating Txflag:1 deferred:1 rsvflags:14
	}
	CharsetID [8]byte
	Blocks    int64
	Genvalue  uint32
	Reftim31  [4]byte
	Fid       [8]byte
	Filefmt   byte
	Fspflag2  byte
	_         [2]byte // rsrvd2
	Ctimemsec int32
	Seclabel  [8]byte
	_         [4]byte // rsrvd3

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
}

)

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 {

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)

	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  uint64
}

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
}