Package org.miaixz.bus.crypto.builtin.digest.mac

Class BCMac

java.lang.Object

org.miaixz.bus.core.lang.wrapper.SimpleWrapper<org.bouncycastle.crypto.Mac>

org.miaixz.bus.crypto.builtin.digest.mac.BCMac

All Implemented Interfaces:

org.miaixz.bus.core.lang.Wrapper<org.bouncycastle.crypto.Mac>, org.miaixz.bus.core.Provider, Mac

Direct Known Subclasses:

BCHMac, CBCBlockCipherMac

public class BCMac
extends org.miaixz.bus.core.lang.wrapper.SimpleWrapper<org.bouncycastle.crypto.Mac>
implements Mac

BouncyCastle的MAC算法实现引擎，使用Mac 实现摘要 当引入BouncyCastle库时自动使用其作为Provider

Since:

Java 17+

Author:

Kimi Liu

Field Summary

Fields inherited from class org.miaixz.bus.core.lang.wrapper.SimpleWrapper

raw

Constructor Summary

Constructors

Constructor	Description
BCMac(org.bouncycastle.crypto.Mac mac, org.bouncycastle.crypto.CipherParameters params)	构造

Method Summary

Modifier and Type	Method	Description
byte[]	doFinal()	结束并生成摘要
String	getAlgorithm()	获取当前算法
int	getMacLength()	获取MAC算法块大小
void	reset()	重置
void	update(byte[] in, int inOff, int len)	加入需要被摘要的内容

Methods inherited from class org.miaixz.bus.core.lang.wrapper.SimpleWrapper

getRaw

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.miaixz.bus.crypto.builtin.digest.mac.Mac

digest, update

Methods inherited from interface org.miaixz.bus.core.lang.Wrapper

type

Constructor Details

BCMac

public BCMac(org.bouncycastle.crypto.Mac mac,
 org.bouncycastle.crypto.CipherParameters params)

构造

Parameters:

mac - Mac

params - 参数，例如密钥可以用KeyParameter

Method Details

update

public void update(byte[] in,
 int inOff,
 int len)

Description copied from interface: Mac

加入需要被摘要的内容

Specified by:

update in interface Mac

Parameters:

in - 内容

inOff - 内容起始位置

len - 内容长度

doFinal

public byte[] doFinal()

Description copied from interface: Mac

结束并生成摘要

Specified by:

doFinal in interface Mac

Returns:

摘要内容

reset

public void reset()

Description copied from interface: Mac

重置

Specified by:

reset in interface Mac

getMacLength

public int getMacLength()

Description copied from interface: Mac

获取MAC算法块大小

Specified by:

getMacLength in interface Mac

Returns:

MAC算法块大小

getAlgorithm

public String getAlgorithm()

Description copied from interface: Mac

获取当前算法

Specified by:

getAlgorithm in interface Mac

Returns:

算法