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Bouncy Castle Cryptography 1.45 | ||||||||
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java.lang.Objectorg.bouncycastle.crypto.engines.DESEngine
org.bouncycastle.crypto.engines.DESedeEngine
public class DESedeEngine
a class that provides a basic DESede (or Triple DES) engine.
| Field Summary | |
|---|---|
protected static int |
BLOCK_SIZE
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| Constructor Summary | |
|---|---|
DESedeEngine()
standard constructor. |
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| Method Summary | |
|---|---|
java.lang.String |
getAlgorithmName()
Return the name of the algorithm the cipher implements. |
int |
getBlockSize()
Return the block size for this cipher (in bytes). |
void |
init(boolean encrypting,
CipherParameters params)
initialise a DESede cipher. |
int |
processBlock(byte[] in,
int inOff,
byte[] out,
int outOff)
Process one block of input from the array in and write it to the out array. |
void |
reset()
Reset the cipher. |
| Methods inherited from class org.bouncycastle.crypto.engines.DESEngine |
|---|
desFunc, generateWorkingKey |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected static final int BLOCK_SIZE
| Constructor Detail |
|---|
public DESedeEngine()
| Method Detail |
|---|
public void init(boolean encrypting,
CipherParameters params)
init in interface BlockCipherinit in class DESEngineencrypting - whether or not we are for encryption.params - the parameters required to set up the cipher.
java.lang.IllegalArgumentException - if the params argument is
inappropriate.public java.lang.String getAlgorithmName()
BlockCipher
getAlgorithmName in interface BlockCiphergetAlgorithmName in class DESEnginepublic int getBlockSize()
BlockCipher
getBlockSize in interface BlockCiphergetBlockSize in class DESEngine
public int processBlock(byte[] in,
int inOff,
byte[] out,
int outOff)
BlockCipher
processBlock in interface BlockCipherprocessBlock in class DESEnginein - the array containing the input data.inOff - offset into the in array the data starts at.out - the array the output data will be copied into.outOff - the offset into the out array the output will start at.
public void reset()
BlockCipher
reset in interface BlockCipherreset in class DESEngine
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