Java Doc for DES_ECB.java in  » 6.0-JDK-Modules » j2me » com » sun » midp » crypto » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.midp.crypto   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.sun.midp.crypto.Cipher       com.sun.midp.crypto.BlockCipherBase          com.sun.midp.crypto.DES_ECB All known Subclasses:   com.sun.midp.crypto.DES_CBC, DES_ECB class DES_ECB extends BlockCipherBase (Code) DES cipher implementation. Field Summary final protected static  int BLOCK_SIZE      DES ciphers encrypt/decrypt in block size of 8 bytes. protected  String keyAlgorithm      Algorithm of the key. Constructor Summary public   DES_ECB(boolean useTripleDes)      Constructor. Method Summary public  void init(int mode, Key key, CryptoParameter params)      Initializes this cipher with a key and a set of algorithm parameters. protected  void initKey(byte[] data, int mode)      Initializes key. protected  void processBlock(byte[] out, int offset)      Depending on the mode, either encrypts or decrypts the data in the queue. protected  void setChainingModeAndPadding(String mode, String padding)      Called by the factory method to set the mode and padding parameters. Field Detail BLOCK_SIZE final protected static int BLOCK_SIZE(Code) DES ciphers encrypt/decrypt in block size of 8 bytes. keyAlgorithm protected String keyAlgorithm(Code) Algorithm of the key. Constructor Detail DES_ECB public DES_ECB(boolean useTripleDes)(Code) Constructor. Parameters:   useTripleDes - true if the class is being used for triple DES Method Detail init public void init(int mode, Key key, CryptoParameter params) throws InvalidKeyException, InvalidAlgorithmParameterException(Code) Initializes this cipher with a key and a set of algorithm parameters. Parameters:   mode - the operation mode of this cipher Parameters:   key - the encryption key Parameters:   params - the algorithm parameters exception:   java.security.InvalidKeyException - if the given keyis inappropriate for initializing this cipher exception:   java.security.InvalidAlgorithmParameterException - if the given algorithm parameters are inappropriate for this cipher initKey protected void initKey(byte[] data, int mode) throws InvalidKeyException(Code) Initializes key. Parameters:   data - key data Parameters:   mode - cipher mode exception:   InvalidKeyException - if the given key is inappropriatefor this cipher processBlock protected void processBlock(byte[] out, int offset)(Code) Depending on the mode, either encrypts or decrypts the data in the queue. Parameters:   out - will contain the result of encryptionor decryption operation Parameters:   offset - is the offset in out setChainingModeAndPadding protected void setChainingModeAndPadding(String mode, String padding) throws NoSuchPaddingException(Code) Called by the factory method to set the mode and padding parameters. Need because Class.newInstance does not take args. Parameters:   mode - the mode parsed from the transformation parameter ofgetInstance and upper cased Parameters:   padding - the paddinge parsed from the transformation parameter ofgetInstance and upper cased Fields inherited from com.sun.midp.crypto.BlockCipherBase protected byte[] IV(Code)(Java Doc) protected int holdCount(Code)(Java Doc) protected byte[] holdData(Code)(Java Doc) protected boolean isUpdated(Code)(Java Doc) protected int mode(Code)(Java Doc) protected Padder padder(Code)(Java Doc) Methods inherited from com.sun.midp.crypto.BlockCipherBase public int doFinal(byte in, int offset, int len, byte out, int outOffset) throws IllegalStateException, IllegalBlockSizeException, ShortBufferException, BadPaddingException(Code)(Java Doc) protected void doInit(int mode, String keyAlgorithm, Key key, boolean needIV, CryptoParameter params) throws InvalidKeyException, InvalidAlgorithmParameterException(Code)(Java Doc) public byte[] getIV()(Code)(Java Doc) abstract void initKey(byte[] data, int mode) throws InvalidKeyException(Code)(Java Doc) abstract void processBlock(byte[] out, int offset)(Code)(Java Doc) protected void restoreState()(Code)(Java Doc) protected void saveState()(Code)(Java Doc) protected void setPadding(String padding) throws NoSuchPaddingException(Code)(Java Doc) public int update(byte in, int offset, int len, byte out, int outOffset) throws IllegalStateException, ShortBufferException(Code)(Java Doc) Fields inherited from com.sun.midp.crypto.Cipher final public static int DECRYPT_MODE(Code)(Java Doc) final public static int ENCRYPT_MODE(Code)(Java Doc) final protected static int MODE_UNINITIALIZED(Code)(Java Doc) Methods inherited from com.sun.midp.crypto.Cipher abstract public int doFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) throws IllegalStateException, ShortBufferException, IllegalBlockSizeException, BadPaddingException(Code)(Java Doc) public byte[] getIV()(Code)(Java Doc) final public static Cipher getInstance(String transformation) throws NoSuchAlgorithmException, NoSuchPaddingException(Code)(Java Doc) public void init(int opmode, Key key) throws InvalidKeyException(Code)(Java Doc) abstract public void init(int opmode, Key key, CryptoParameter params) throws InvalidKeyException, InvalidAlgorithmParameterException(Code)(Java Doc) abstract protected void setChainingModeAndPadding(String mode, String padding) throws NoSuchPaddingException(Code)(Java Doc) abstract public int update(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) throws IllegalStateException, ShortBufferException(Code)(Java Doc) Methods inherited from java.lang.Object public boolean equals(Object obj)(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)