org.openeuler.sm4

类 SM4BaseCipher

java.lang.Object

javax.crypto.CipherSpi

org.openeuler.sm4.SM4BaseCipher

直接已知子类:

ECB, StreamModeBaseCipher

public class SM4BaseCipher
extends CipherSpi

字段概要

字段

限定符和类型	字段和说明
protected int	BLOCKSIZE
protected int	inputLenUpdate
protected int	inputOffsetUpdate
protected byte[]	inputUpdate
protected boolean	isInitialized
protected int	len
protected int	opmode
protected SM4Padding	padding
protected int[]	rk
protected SM4Util	sm4

构造器概要

构造器

构造器和说明
SM4BaseCipher()

方法概要

限定符和类型	方法和说明
byte[]	engineDoFinal(byte[] input, int inputOffset, int inputLen)
int	engineDoFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected int	engineGetBlockSize()
byte[]	engineGetIV()
int	engineGetOutputSize(int inputLen)
AlgorithmParameters	engineGetParameters()
void	engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
void	engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
void	engineInit(int opmode, Key key, SecureRandom random)
protected void	engineSetMode(String mode)
void	engineSetPadding(String padding)
byte[]	engineUpdate(byte[] input, int inputOffset, int inputLen)
int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected void	engineUpdateAAD(byte[] src, int offset, int len)
protected void	init(int opmode, Key key)
void	reset() reset some parameters after encryption

从类继承的方法 javax.crypto.CipherSpi

engineDoFinal, engineGetKeySize, engineUnwrap, engineUpdate, engineUpdateAAD, engineWrap

从类继承的方法 java.lang.Object

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

字段详细资料

isInitialized

protected boolean isInitialized

BLOCKSIZE

protected final int BLOCKSIZE

另请参阅:

常量字段值

opmode

protected int opmode

padding

protected SM4Padding padding

sm4

protected SM4Util sm4

inputUpdate

protected byte[] inputUpdate

inputLenUpdate

protected int inputLenUpdate

inputOffsetUpdate

protected int inputOffsetUpdate

len

protected int len

rk

protected int[] rk

构造器详细资料

SM4BaseCipher

public SM4BaseCipher()

方法详细资料

engineUpdateAAD

protected void engineUpdateAAD(byte[] src,
                               int offset,
                               int len)

覆盖:

engineUpdateAAD 在类中 CipherSpi

engineSetMode

protected void engineSetMode(String mode)
                      throws NoSuchAlgorithmException

指定者:

engineSetMode 在类中 CipherSpi

抛出:

NoSuchAlgorithmException

engineSetPadding

public void engineSetPadding(String padding)
                      throws NoSuchPaddingException

指定者:

engineSetPadding 在类中 CipherSpi

抛出:

NoSuchPaddingException

engineGetBlockSize

protected int engineGetBlockSize()

指定者:

engineGetBlockSize 在类中 CipherSpi

engineGetOutputSize

public int engineGetOutputSize(int inputLen)

指定者:

engineGetOutputSize 在类中 CipherSpi

engineGetIV

public byte[] engineGetIV()

指定者:

engineGetIV 在类中 CipherSpi

engineGetParameters

public AlgorithmParameters engineGetParameters()

指定者:

engineGetParameters 在类中 CipherSpi

engineInit

public void engineInit(int opmode,
                       Key key,
                       SecureRandom random)
                throws InvalidKeyException

指定者:

engineInit 在类中 CipherSpi

抛出:

InvalidKeyException

engineInit

public void engineInit(int opmode,
                       Key key,
                       AlgorithmParameterSpec params,
                       SecureRandom random)
                throws InvalidKeyException,
                       InvalidAlgorithmParameterException

指定者:

engineInit 在类中 CipherSpi

抛出:

InvalidKeyException

InvalidAlgorithmParameterException

engineInit

public void engineInit(int opmode,
                       Key key,
                       AlgorithmParameters params,
                       SecureRandom random)
                throws InvalidKeyException,
                       InvalidAlgorithmParameterException

指定者:

engineInit 在类中 CipherSpi

抛出:

InvalidKeyException

InvalidAlgorithmParameterException

init

protected void init(int opmode,
                    Key key)
             throws InvalidKeyException

抛出:

InvalidKeyException

engineUpdate

public byte[] engineUpdate(byte[] input,
                           int inputOffset,
                           int inputLen)

指定者:

engineUpdate 在类中 CipherSpi

engineUpdate

public int engineUpdate(byte[] input,
                        int inputOffset,
                        int inputLen,
                        byte[] output,
                        int outputOffset)
                 throws ShortBufferException

指定者:

engineUpdate 在类中 CipherSpi

抛出:

ShortBufferException

engineDoFinal

public byte[] engineDoFinal(byte[] input,
                            int inputOffset,
                            int inputLen)
                     throws IllegalBlockSizeException,
                            BadPaddingException

指定者:

engineDoFinal 在类中 CipherSpi

抛出:

IllegalBlockSizeException

BadPaddingException

engineDoFinal

public int engineDoFinal(byte[] input,
                         int inputOffset,
                         int inputLen,
                         byte[] output,
                         int outputOffset)
                  throws ShortBufferException,
                         IllegalBlockSizeException,
                         BadPaddingException

指定者:

engineDoFinal 在类中 CipherSpi

抛出:

ShortBufferException

IllegalBlockSizeException

BadPaddingException

reset

public void reset()

reset some parameters after encryption