Module seppiko.commons.utils

Package org.seppiko.commons.utils.crypto

Class CRC24

java.lang.Object

org.seppiko.commons.utils.crypto.CRC24

All Implemented Interfaces:

Checksum

public class CRC24
extends Object
implements Checksum

CRC-24 implementation as described in RFC4880.

Author:

Leonard Woo

See Also:

• RFC4880 §6.1. An Implementation of the CRC-24 in "C"

Constructor Summary

Constructors

Constructor	Description
CRC24()	Create CRC-24 instance.

Method Summary

Modifier and Type	Method	Description
long	getValue()	Returns the current checksum value.
void	reset()	Resets the checksum to its initial value.
void	update(byte[] b, int off, int len)	Updates the current checksum with the specified array of bytes.
void	update(int b)	Updates the current checksum with the specified byte.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.zip.Checksum

update, update

Constructor Details

CRC24

public CRC24()

Create CRC-24 instance.

Method Details

update

public void update(int b)

Updates the current checksum with the specified byte.

Specified by:

update in interface Checksum

Parameters:

b - the byte to update the checksum with.

update

public void update(byte[] b,
 int off,
 int len)

Updates the current checksum with the specified array of bytes.

Specified by:

update in interface Checksum

Parameters:

b - the byte array to update the checksum with.

off - the start offset of the data.

len - the number of bytes to use for the update.

getValue

public long getValue()

Returns the current checksum value.

Specified by:

getValue in interface Checksum

Returns:

the current checksum value.

reset

public void reset()

Resets the checksum to its initial value.

Specified by:

reset in interface Checksum