return &d, nil
}

// pbit8 copies the 8-bit number v to b and returns the remaining slice of b.
func pbit8(b []byte, v uint8) []byte {
	b[0] = byte(v)
	return b[1:]
}

// pbit16 copies the 16-bit number v to b in little-endian order and returns the remaining slice of b.
func pbit16(b []byte, v uint16) []byte {
	byteorder.LePutUint16(b, v)
	return b[2:]
}

		}
		sort.Strings(termHashes)
		if !first {
			w.byte(';')
		}
		w.string(strings.Join(termHashes, "|"))
	}
}

func (w *typeWriter) typeList(list []Type) {
	w.byte('[')
	for i, typ := range list {
		if i > 0 {
			w.byte(',')
		}
		w.typ(typ)
	}
	w.byte(']')
}

func (w *typeWriter) tParamList(list []*TypeParam) {
	w.byte('[')
	var prev Type
	for i, tpar := range list {

//
// The shared key must be kept secret.
func Encapsulate(encapsulationKey []byte) (ciphertext, sharedKey []byte, err error) {
	// The actual logic is in a separate function to outline this allocation.
	var cc [CiphertextSize]byte
	return encapsulate(&cc, encapsulationKey)
}

func encapsulate(cc *[CiphertextSize]byte, encapsulationKey []byte) (ciphertext, sharedKey []byte, err error) {
	if len(encapsulationKey) != EncapsulationKeySize {

func makeUTF8String(s string) encoder {
	return stringEncoder(s)
}

func appendTwoDigits(dst []byte, v int) []byte {
	return append(dst, byte('0'+(v/10)%10), byte('0'+v%10))
}

func appendFourDigits(dst []byte, v int) []byte {
	return append(dst,
		byte('0'+(v/1000)%10),
		byte('0'+(v/100)%10),
		byte('0'+(v/10)%10),
		byte('0'+v%10))
}

func outsideUTCRange(t time.Time) bool {
	year := t.Year()

func (d *digest) Sum(in []byte) []byte {
	s := d.Sum64()
	return append(in, byte(s>>56), byte(s>>48), byte(s>>40), byte(s>>32), byte(s>>24), byte(s>>16), byte(s>>8), byte(s))
}

// Checksum returns the CRC-64 checksum of data
// using the polynomial represented by the [Table].
func Checksum(data []byte, tab *Table) uint64 { return update(0, tab, data) }

}
func permutation(t *testing.T, h *hashSet, s []uint32, n int) {
	b := make([]byte, n*4)
	genPerm(h, b, s, 0)
	h.check(t)
}
func genPerm(h *hashSet, b []byte, s []uint32, n int) {
	h.addB(b[:n])
	if n == len(b) {
		return
	}
	for _, v := range s {
		b[n] = byte(v)
		b[n+1] = byte(v >> 8)
		b[n+2] = byte(v >> 16)
		b[n+3] = byte(v >> 24)
		genPerm(h, b, s, n+4)
	}
}

type key interface {

	b, d.s[3] = consumeUint32(b)
	b = b[copy(d.x[:], b):]
	b, d.len = consumeUint64(b)
	d.nx = int(d.len % BlockSize)
	return nil
}

func consumeUint64(b []byte) ([]byte, uint64) {
	return b[8:], byteorder.BeUint64(b[0:8])
}

func consumeUint32(b []byte) ([]byte, uint32) {
	return b[4:], byteorder.BeUint32(b[0:4])
}

// New returns a new hash.Hash computing the MD5 checksum. The Hash also

	asid          uint16
	_             [2]byte
	tnLuName      [8]byte
	tnMonGrp      uint32
	tnAppl        [8]byte
	applData      [40]byte
	nInterface    [16]byte
	dVipa         [16]byte
	dVipaPfx      uint16
	dVipaPort     uint16
	dVipaFamily   byte
	_             [3]byte
	destXCF       [16]byte
	destXCFPfx    uint16
	destXCFFamily byte
	_             [1]byte
	targIP        [16]byte

	local := grid.Managers[0]

	// 1: Echo
	errFatal(local.RegisterSingleHandler(handlerTest, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("1: server payload: ", len(payload), "bytes.")
		return append([]byte{}, payload...), nil
	}))
	// 2: Return as error
	errFatal(local.RegisterSingleHandler(handlerTest2, func(payload []byte) ([]byte, *RemoteErr) {
		t.Log("2: server payload: ", len(payload), "bytes.")
		err := RemoteErr(payload)

	name        string
	newPoint    func() Point
	scalarOrder []byte
}

// nistPoint is a generic constraint for the nistec Point types.
type nistPoint[T any] interface {
	Bytes() []byte
	BytesX() ([]byte, error)
	SetBytes([]byte) (T, error)
	ScalarMult(T, []byte) (T, error)
	ScalarBaseMult([]byte) (T, error)
}

func (c *nistCurve[Point]) String() string {
	return c.name
}