iaik.security.cipher

Class PBES2Cipher

java.lang.Object

javax.crypto.CipherSpi

iaik.security.cipher.PBES2Cipher

public class PBES2Cipher
extends javax.crypto.CipherSpi

This class represents password-based encryption as defined by the PKCS #5 standard using PBES2 with the default combination of PBKDF2 with HmacSHA256 and AES-256-CBC as the underlying encryption scheme.

Since:

9.0

Constructor Summary

Constructors

Constructor and Description
PBES2Cipher()
PBES2Cipher(java.lang.String kdf, java.lang.String enc)

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	engineGetOutputSize(int inputLen)
protected java.security.AlgorithmParameters	engineGetParameters()
protected void	engineInit(int opmode, java.security.Key key, java.security.spec.AlgorithmParameterSpec params, java.security.SecureRandom random)
protected void	engineInit(int opmode, java.security.Key key, java.security.AlgorithmParameters params, java.security.SecureRandom random)
protected void	engineInit(int opmode, java.security.Key key, java.security.SecureRandom random)
protected void	engineSetMode(java.lang.String mode)
protected void	engineSetPadding(java.lang.String padding)
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 javax.crypto.CipherSpi

engineDoFinal, engineGetKeySize, engineUnwrap, engineUpdate, engineUpdateAAD, engineUpdateAAD, engineWrap

Methods inherited from class java.lang.Object

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

Constructor Detail

PBES2Cipher

public PBES2Cipher()
            throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

PBES2Cipher

public PBES2Cipher(java.lang.String kdf,
                   java.lang.String enc)
            throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

Method Detail

engineSetMode

protected void engineSetMode(java.lang.String mode)
                      throws java.security.NoSuchAlgorithmException

Specified by:

engineSetMode in class javax.crypto.CipherSpi

Throws:

java.security.NoSuchAlgorithmException

engineSetPadding

protected void engineSetPadding(java.lang.String padding)
                         throws javax.crypto.NoSuchPaddingException

Specified by:

engineSetPadding in class javax.crypto.CipherSpi

Throws:

javax.crypto.NoSuchPaddingException

engineGetBlockSize

protected int engineGetBlockSize()

Specified by:

engineGetBlockSize in class javax.crypto.CipherSpi

engineGetOutputSize

protected int engineGetOutputSize(int inputLen)

Specified by:

engineGetOutputSize in class javax.crypto.CipherSpi

engineGetIV

protected byte[] engineGetIV()

Specified by:

engineGetIV in class javax.crypto.CipherSpi

engineGetParameters

protected java.security.AlgorithmParameters engineGetParameters()

Specified by:

engineGetParameters in class javax.crypto.CipherSpi

engineInit

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

Specified by:

engineInit in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

engineInit

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

Specified by:

engineInit in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineInit

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

Specified by:

engineInit in class javax.crypto.CipherSpi

Throws:

java.security.InvalidKeyException

java.security.InvalidAlgorithmParameterException

engineUpdate

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

Specified by:

engineUpdate in class javax.crypto.CipherSpi

engineUpdate

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

Specified by:

engineUpdate in class javax.crypto.CipherSpi

Throws:

javax.crypto.ShortBufferException

engineDoFinal

protected byte[] engineDoFinal(byte[] input,
                               int inputOffset,
                               int inputLen)
                        throws javax.crypto.IllegalBlockSizeException,
                               javax.crypto.BadPaddingException

Specified by:

engineDoFinal in class javax.crypto.CipherSpi

Throws:

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException

engineDoFinal

protected int engineDoFinal(byte[] input,
                            int inputOffset,
                            int inputLen,
                            byte[] output,
                            int outputOffset)
                     throws javax.crypto.ShortBufferException,
                            javax.crypto.IllegalBlockSizeException,
                            javax.crypto.BadPaddingException

Specified by:

engineDoFinal in class javax.crypto.CipherSpi

Throws:

javax.crypto.ShortBufferException

javax.crypto.IllegalBlockSizeException

javax.crypto.BadPaddingException