CRC32

java.lang.Object

com.jcraft.jzlib.CRC32

All Implemented Interfaces:: Checksum

public final class CRC32 extends Object implements Checksum

Field Summary

Fields

Modifier and Type

Field

Description

private static int[]

crc_table

private static final int

GF2_DIM

private int

v
Constructor Summary

Constructors

Constructor

Description

CRC32()
Method Summary

Modifier and Type

Method

Description

(package private) static long

combine(long crc1, long crc2, long len2)

CRC32

copy()

static int[]

getCRC32Table()

long

getValue()

(package private) static final void

gf2_matrix_square(long[] square, long[] mat)

private static long

gf2_matrix_times(long[] mat, long vec)

void

reset()

void

reset(long vv)

void

update(byte[] buf, int index, int len)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- v
  
  private int v
- crc_table
  
  private static int[] crc_table
- GF2_DIM
  
  private static final int GF2_DIM
  See Also:
  
  Constant Field Values
Constructor Details
- CRC32
  
  public CRC32()
Method Details
- update
  
  public void update(byte[] buf, int index, int len)
  
  Specified by:
  
  update in interface Checksum
- reset
  
  public void reset()
  
  Specified by:
  
  reset in interface Checksum
- reset
  
  public void reset(long vv)
  
  Specified by:
  
  reset in interface Checksum
- getValue
  
  public long getValue()
  
  Specified by:
  
  getValue in interface Checksum
- combine
  
  static long combine(long crc1, long crc2, long len2)
- gf2_matrix_times
  
  private static long gf2_matrix_times(long[] mat, long vec)
- gf2_matrix_square
  
  static final void gf2_matrix_square(long[] square, long[] mat)
- copy
  
  public CRC32 copy()
  
  Specified by:
  
  copy in interface Checksum
- getCRC32Table
  
  public static int[] getCRC32Table()