org.bouncycastle.jcajce.provider.symmetric.util

Class BaseStreamCipher

java.lang.Object

javax.crypto.CipherSpi

org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher

org.bouncycastle.jcajce.provider.symmetric.util.BaseStreamCipher

All Implemented Interfaces:

PBE

Direct Known Subclasses:

ARC4.Base, ARC4.PBEWithSHAAnd128Bit, ARC4.PBEWithSHAAnd40Bit, ChaCha.Base, ChaCha.Base7539, Grain128.Base, Grainv1.Base, HC128.Base, HC256.Base, Salsa20.Base, VMPC.Base, VMPCKSA3.Base, XSalsa20.Base

public class BaseStreamCipher
extends BaseWrapCipher
implements PBE

Nested Class Summary

Nested classes/interfaces inherited from class org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher

BaseWrapCipher.ErasableOutputStream, BaseWrapCipher.InvalidKeyOrParametersException

Nested classes/interfaces inherited from interface org.bouncycastle.jcajce.provider.symmetric.util.PBE

PBE.Util

Field Summary

Fields inherited from class org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher

engineParams, pbeHash, pbeIvSize, pbeKeySize, pbeType, wrapEngine

Fields inherited from interface org.bouncycastle.jcajce.provider.symmetric.util.PBE

GOST3411, MD2, MD5, OPENSSL, PKCS12, PKCS5S1, PKCS5S1_UTF8, PKCS5S2, PKCS5S2_UTF8, RIPEMD160, SHA1, SHA224, SHA256, SHA3_224, SHA3_256, SHA3_384, SHA3_512, SHA384, SHA512, TIGER

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseStreamCipher(StreamCipher engine, int ivLength)
protected	BaseStreamCipher(StreamCipher engine, int ivLength, int keySizeInBits, int digest)

Method Summary

Modifier and Type	Method and Description
protected byte[]	engineDoFinal(byte[] input, int inputOffset, int inputLen)
protected int	engineDoFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
protected int	engineGetBlockSize()
protected byte[]	engineGetIV()
protected int	engineGetKeySize(Key key)
protected int	engineGetOutputSize(int inputLen)
protected AlgorithmParameters	engineGetParameters()
protected void	engineInit(int opmode, Key key, AlgorithmParameterSpec params, SecureRandom random)
protected void	engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
protected void	engineInit(int opmode, Key key, SecureRandom random)
protected void	engineSetMode(String mode) should never be called.
protected void	engineSetPadding(String padding) should never be called.
protected byte[]	engineUpdate(byte[] input, int inputOffset, int inputLen)
protected int	engineUpdate(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)

Methods inherited from class org.bouncycastle.jcajce.provider.symmetric.util.BaseWrapCipher

createParametersInstance, engineUnwrap, engineWrap

Methods inherited from class javax.crypto.CipherSpi

engineDoFinal, engineUpdate, engineUpdateAAD, engineUpdateAAD

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseStreamCipher

protected BaseStreamCipher(StreamCipher engine,
                           int ivLength)

BaseStreamCipher

protected BaseStreamCipher(StreamCipher engine,
                           int ivLength,
                           int keySizeInBits,
                           int digest)

Method Detail

engineGetBlockSize

protected int engineGetBlockSize()

Overrides:

engineGetBlockSize in class BaseWrapCipher

engineGetIV

protected byte[] engineGetIV()

Overrides:

engineGetIV in class BaseWrapCipher

engineGetKeySize

protected int engineGetKeySize(Key key)

Overrides:

engineGetKeySize in class BaseWrapCipher

engineGetOutputSize

protected int engineGetOutputSize(int inputLen)

Overrides:

engineGetOutputSize in class BaseWrapCipher

engineGetParameters

protected AlgorithmParameters engineGetParameters()

Overrides:

engineGetParameters in class BaseWrapCipher

engineSetMode

protected void engineSetMode(String mode)
                      throws NoSuchAlgorithmException

should never be called.

Overrides:

engineSetMode in class BaseWrapCipher

Throws:

NoSuchAlgorithmException

engineSetPadding

protected void engineSetPadding(String padding)
                         throws NoSuchPaddingException

should never be called.

Overrides:

engineSetPadding in class BaseWrapCipher

Throws:

NoSuchPaddingException

engineInit

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

Overrides:

engineInit in class BaseWrapCipher

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

engineInit

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

Overrides:

engineInit in class BaseWrapCipher

Throws:

InvalidKeyException

InvalidAlgorithmParameterException

engineInit

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

Overrides:

engineInit in class BaseWrapCipher

Throws:

InvalidKeyException

engineUpdate

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

Overrides:

engineUpdate in class BaseWrapCipher

engineUpdate

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

Overrides:

engineUpdate in class BaseWrapCipher

Throws:

ShortBufferException

engineDoFinal

protected byte[] engineDoFinal(byte[] input,
                               int inputOffset,
                               int inputLen)

Overrides:

engineDoFinal in class BaseWrapCipher

engineDoFinal

protected int engineDoFinal(byte[] input,
                            int inputOffset,
                            int inputLen,
                            byte[] output,
                            int outputOffset)
                     throws ShortBufferException

Overrides:

engineDoFinal in class BaseWrapCipher

Throws:

ShortBufferException