Package com.trilead.ssh2.crypto.cipher
Class DESede
java.lang.Object
com.trilead.ssh2.crypto.cipher.DES
com.trilead.ssh2.crypto.cipher.DESede
- All Implemented Interfaces:
BlockCipher
DESede.
- Version:
- $Id: DESede.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate boolean
private int[]
private int[]
private int[]
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionint
void
init
(boolean encrypting, byte[] key) initialise a DES cipher.void
reset()
void
transformBlock
(byte[] in, int inOff, byte[] out, int outOff) Methods inherited from class com.trilead.ssh2.crypto.cipher.DES
desFunc, generateWorkingKey
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Field Details
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key1
private int[] key1 -
key2
private int[] key2 -
key3
private int[] key3 -
encrypt
private boolean encrypt
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Constructor Details
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DESede
public DESede()standard constructor.
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Method Details
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init
public void init(boolean encrypting, byte[] key) initialise a DES cipher.- Specified by:
init
in interfaceBlockCipher
- Overrides:
init
in classDES
- Parameters:
encrypting
- whether or not we are for encryption.key
- the parameters required to set up the cipher.- Throws:
IllegalArgumentException
- if the params argument is inappropriate.
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getAlgorithmName
- Overrides:
getAlgorithmName
in classDES
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getBlockSize
public int getBlockSize()- Specified by:
getBlockSize
in interfaceBlockCipher
- Overrides:
getBlockSize
in classDES
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transformBlock
public void transformBlock(byte[] in, int inOff, byte[] out, int outOff) - Specified by:
transformBlock
in interfaceBlockCipher
- Overrides:
transformBlock
in classDES
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reset
public void reset()
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