org.openeuler.sm4.mode

类 CTS

java.lang.Object

javax.crypto.CipherSpi

org.openeuler.sm4.SM4BaseCipher

org.openeuler.sm4.StreamModeBaseCipher

org.openeuler.sm4.mode.CTS

public class CTS
extends StreamModeBaseCipher

SM4 CTS mode

字段概要

从类继承的字段 org.openeuler.sm4.StreamModeBaseCipher

counter, iv

从类继承的字段 org.openeuler.sm4.SM4BaseCipher

BLOCKSIZE, inputLenUpdate, inputOffsetUpdate, inputUpdate, isInitialized, len, opmode, padding, rk, sm4

构造器概要

构造器

构造器和说明
CTS()

方法概要

限定符和类型	方法和说明
private byte[]	decrypt(byte[] input, int inputOffset, int inputLen) decrypt with handling padding and return the decrypted result
private int	decrypt(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) decrypt with handling padding and return the length of the decrypted result
private void	decryptCTS(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) decrypt entire blocks of data
private void	encrypt(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) encrypt with handling padding
private void	encryptCTS(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) encrypt entire blocks of data
byte[]	engineDoFinal(byte[] input, int inputOffset, int inputLen)
int	engineDoFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
int	engineGetOutputSize(int inputLen)
byte[]	engineUpdate(byte[] input, int inputOffset, int inputLen)
int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
void	reset() reset some parameters after encryption

从类继承的方法 org.openeuler.sm4.StreamModeBaseCipher

engineGetIV, engineGetParameters, engineInit, engineInit, engineInit

从类继承的方法 org.openeuler.sm4.SM4BaseCipher

engineGetBlockSize, engineSetMode, engineSetPadding, engineUpdateAAD, init

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

构造器详细资料

CTS

public CTS()

方法详细资料

engineGetOutputSize

public int engineGetOutputSize(int inputLen)

覆盖:

engineGetOutputSize 在类中 SM4BaseCipher

engineUpdate

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

覆盖:

engineUpdate 在类中 SM4BaseCipher

抛出:

ShortBufferException

engineUpdate

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

覆盖:

engineUpdate 在类中 SM4BaseCipher

engineDoFinal

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

覆盖:

engineDoFinal 在类中 StreamModeBaseCipher

抛出:

IllegalBlockSizeException

BadPaddingException

engineDoFinal

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

覆盖:

engineDoFinal 在类中 StreamModeBaseCipher

抛出:

ShortBufferException

IllegalBlockSizeException

BadPaddingException

decryptCTS

private void decryptCTS(byte[] input,
                        int inputOffset,
                        int inputLen,
                        byte[] output,
                        int outputOffset)

decrypt entire blocks of data

参数:

input -

inputOffset -

inputLen -

output -

outputOffset -

encryptCTS

private void encryptCTS(byte[] input,
                        int inputOffset,
                        int inputLen,
                        byte[] output,
                        int outputOffset)

encrypt entire blocks of data

参数:

input -

inputOffset -

inputLen -

output -

outputOffset -

encrypt

private void encrypt(byte[] input,
                     int inputOffset,
                     int inputLen,
                     byte[] output,
                     int outputOffset)

encrypt with handling padding

参数:

input -

inputOffset -

inputLen -

output -

outputOffset -

decrypt

private byte[] decrypt(byte[] input,
                       int inputOffset,
                       int inputLen)
                throws BadPaddingException

decrypt with handling padding and return the decrypted result

参数:

input -

inputOffset -

inputLen -

返回:

the decrypted result

抛出:

BadPaddingException

decrypt

private int decrypt(byte[] input,
                    int inputOffset,
                    int inputLen,
                    byte[] output,
                    int outputOffset)
             throws BadPaddingException,
                    ShortBufferException

decrypt with handling padding and return the length of the decrypted result

参数:

input -

inputOffset -

inputLen -

output -

outputOffset -

返回:

the length of the decrypted result

抛出:

BadPaddingException

ShortBufferException

reset

public void reset()

从类复制的说明: SM4BaseCipher

reset some parameters after encryption

覆盖:

reset 在类中 StreamModeBaseCipher