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Bouncy Castle Cryptography 1.45 | ||||||||
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java.lang.Objectorg.bouncycastle.crypto.engines.ElGamalEngine
public class ElGamalEngine
this does your basic ElGamal algorithm.
| Constructor Summary | |
|---|---|
ElGamalEngine()
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| Method Summary | |
|---|---|
int |
getInputBlockSize()
Return the maximum size for an input block to this engine. |
int |
getOutputBlockSize()
Return the maximum size for an output block to this engine. |
void |
init(boolean forEncryption,
CipherParameters param)
initialise the ElGamal engine. |
byte[] |
processBlock(byte[] in,
int inOff,
int inLen)
Process a single block using the basic ElGamal algorithm. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public ElGamalEngine()
| Method Detail |
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public void init(boolean forEncryption,
CipherParameters param)
init in interface AsymmetricBlockCipherforEncryption - true if we are encrypting, false otherwise.param - the necessary ElGamal key parameters.public int getInputBlockSize()
getInputBlockSize in interface AsymmetricBlockCipherpublic int getOutputBlockSize()
getOutputBlockSize in interface AsymmetricBlockCipher
public byte[] processBlock(byte[] in,
int inOff,
int inLen)
processBlock in interface AsymmetricBlockCipherin - the input array.inOff - the offset into the input buffer where the data starts.inLen - the length of the data to be processed.
DataLengthException - the input block is too large.
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