func (s *sum32a) Reset()  { *s = offset32 }
func (s *sum64) Reset()   { *s = offset64 }
func (s *sum64a) Reset()  { *s = offset64 }
func (s *sum128) Reset()  { s[0] = offset128Higher; s[1] = offset128Lower }
func (s *sum128a) Reset() { s[0] = offset128Higher; s[1] = offset128Lower }

func (s *sum32) Sum32() uint32  { return uint32(*s) }
func (s *sum32a) Sum32() uint32 { return uint32(*s) }
func (s *sum64) Sum64() uint64  { return uint64(*s) }

	return update(crc, tab, p)
}

func (d *digest) Write(p []byte) (n int, err error) {
	d.crc = update(d.crc, d.tab, p)
	return len(p), nil
}

func (d *digest) Sum64() uint64 { return d.crc }

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

				}
			}
		}
	}
}

func bytesHash(b []byte) uint64 {
	var h Hash
	h.SetSeed(fixedSeed)
	h.Write(b)
	return h.Sum64()
}
func stringHash(s string) uint64 {
	var h Hash
	h.SetSeed(fixedSeed)
	h.WriteString(s)
	return h.Sum64()
}

const hashSize = 64

func randBytes(r *rand.Rand, b []byte) {
	r.Read(b) // can't fail
}

	for _, sa := range t.serviceAccounts {
		h.WriteString(sa)
		h.Write(Separator)
	}
	h.Write(Separator)

	if t.endpointBuilder != nil {
		t.endpointBuilder.WriteHash(h)
	}

	return h.Sum64()
}

func (t *clusterCache) DependentConfigs() []model.ConfigHash {
	drs := t.destinationRule.GetFrom()
	configs := make([]model.ConfigHash, 0, len(drs)+1+len(t.envoyFilterKeys))
	if t.destinationRule != nil {

	// Zero unimportant fields
	c.Erasure.Index = 0
	c.Minio.Release = ""
	crc := hashDeterministicString(c.Meta)
	c.Meta = nil

	if bts, err := c.MarshalMsg(metaDataPoolGet()); err == nil {
		crc ^= xxhash.Sum64(bts)
		metaDataPoolPut(bts)
	}

	// Combine upper and lower part
	var tmp [4]byte
	binary.LittleEndian.PutUint32(tmp[:], uint32(crc^(crc>>32)))
	return tmp
}

// XL metadata constants.

	// Shallow copy
	c := *j

	// Marshal metadata
	crc := hashDeterministicBytes(c.MetaSys)
	c.MetaSys = nil
	if bts, err := c.MarshalMsg(metaDataPoolGet()); err == nil {
		crc ^= xxhash.Sum64(bts)
		metaDataPoolPut(bts)
	}

	// Combine upper and lower part
	var tmp [4]byte
	binary.LittleEndian.PutUint32(tmp[:], uint32(crc^(crc>>32)))
	return tmp
}

		return -1
	}
	// use the faster version as per siphash docs
	// https://github.com/dchest/siphash#usage
	k0, k1 := binary.LittleEndian.Uint64(id[0:8]), binary.LittleEndian.Uint64(id[8:16])
	sum64 := siphash.Hash(k0, k1, []byte(key))
	return int(sum64 % uint64(cardinality))
}

func crcHashMod(key string, cardinality int) int {
	if cardinality <= 0 {
		return -1
	}
	keyCrc := crc32.Checksum([]byte(key), crc32.IEEETable)

func (b *EndpointBuilder) Key() any {
	// nolint: gosec
	// Not security sensitive code
	h := hash.New()
	b.WriteHash(h)
	return h.Sum64()
}

func (b *EndpointBuilder) WriteHash(h hash.Hash) {
	if b == nil {
		return
	}
	h.WriteString(b.clusterName)
	h.Write(Separator)
	h.WriteString(string(b.network))
	h.Write(Separator)

		b := make([]byte, size)
		switch size {
		case 4:
			binary.LittleEndian.PutUint32(b, uint32(u))
		default:
			binary.LittleEndian.PutUint64(b, uint64(u))
		}
		h.Write(b)
	}
	return h.Sum64()
}

// collapseDuplicateRoutes prevents cardinality explosion when we have multiple hostnames defined for the same set of routes
// with virtual service: {hosts: [a, b], routes: [r1, r2]}

	// s390x:"SUBE"
	// riscv64: "SUB",-"SLTU"
	r, _ := bits.Sub64(x, y, ci)
	return r
}
func Sub64M(p, q, r *[3]uint64) {
	var c uint64
	r[0], c = bits.Sub64(p[0], q[0], c)
	// amd64:"SBBQ",-"NEGL",-"NEGQ"
	// arm64:"SBCS",-"NEGS",-"NGC",-"NEG",-"ADD",-"SUB",-"CMP"
	// s390x:"SUBE"
	r[1], c = bits.Sub64(p[1], q[1], c)
	r[2], c = bits.Sub64(p[2], q[2], c)
}

func Sub64MSaveC(p, q, r, c *[2]uint64) {