org.indunet.fastproto.checksum

类 CRC

java.lang.Object

org.indunet.fastproto.checksum.CRC

直接已知子类:

CRC16, CRC32, CRC8

public abstract class CRC
extends Object

CRC (Cyclic Redundancy Check) is a common method for data verification. Its main function is to detect whether there are errors in the data transmission process. This abstract class defines the basic methods of CRC verification, including getting and setting polynomials, initial values, and calculating CRC values.

从以下版本开始:

3.11.0

作者:

Deng Ran

构造器概要

构造器

构造器和说明
CRC()

方法概要

限定符和类型	方法和说明
(专用程序包) abstract int	calculate(byte[] data) Calculate the CRC value of the given data.
(专用程序包) abstract int	getInitialValue() Get the initial value for CRC verification.
(专用程序包) abstract int	getPolynomial() Get the polynomial for CRC verification.
protected static byte	reverseBits(byte value)
int	reverseBits(int value, int bitSize)
(专用程序包) abstract void	setInitialValue(int initialValue) Set the initial value for CRC verification.
(专用程序包) abstract void	setPolynomial(int polynomial) Set the polynomial for CRC verification.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

CRC

public CRC()

方法详细资料

getPolynomial

abstract int getPolynomial()

Get the polynomial for CRC verification.

返回:

The polynomial for CRC verification.

setPolynomial

abstract void setPolynomial(int polynomial)

Set the polynomial for CRC verification.

参数:

polynomial - The polynomial for CRC verification.

getInitialValue

abstract int getInitialValue()

Get the initial value for CRC verification.

返回:

The initial value for CRC verification.

setInitialValue

abstract void setInitialValue(int initialValue)

Set the initial value for CRC verification.

参数:

initialValue - The initial value for CRC verification.

calculate

abstract int calculate(byte[] data)

Calculate the CRC value of the given data.

参数:

data - The data to be verified by CRC.

返回:

The calculated CRC value.

reverseBits

public int reverseBits(int value,
                       int bitSize)

reverseBits

protected static byte reverseBits(byte value)