BaseRC4Cipher

java.lang.Object
- org.apache.sshd.common.cipher.BaseCipher
- - org.apache.sshd.common.cipher.BaseRC4Cipher

All Implemented Interfaces:

AlgorithmNameProvider, Cipher, CipherInformation, KeySizeIndicator
```
public class BaseRC4Cipher
extends BaseCipher
```

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.sshd.common.cipher.BaseCipher
  BaseCipher.CipherFactory
- Nested classes/interfaces inherited from interface org.apache.sshd.common.cipher.Cipher
  Cipher.Mode

Field Summary

Fields
Modifier and Type Field Description

static int SKIP_SIZE
- Fields inherited from class org.apache.sshd.common.cipher.BaseCipher
  alwaysReInit, factory, mode

Constructor Summary

Constructors
Constructor Description

BaseRC4Cipher(int ivsize, int kdfSize, int keySize, int blkSize)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected javax.crypto.Cipher`	`createCipherInstance(Cipher.Mode mode, byte[] key, byte[] iv)`
`protected byte[]`	`initializeIVData(Cipher.Mode mode, byte[] iv, int reqLen)`
`void`	`update(byte[] input, int inputOffset, int inputLen)`	Performs in-place encryption or decryption on the given data.

Methods inherited from class org.apache.sshd.common.cipher.BaseCipher
determineNewParameters, getAlgorithm, getAuthenticationTagSize, getCipherBlockSize, getCipherInstance, getIVSize, getKdfSize, getKeySize, getTransformation, init, initializeKeyData, reInit, resize, toString, updateAAD

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.sshd.common.cipher.Cipher
update, updateAAD, updateWithAAD

Field Detail
- SKIP_SIZE
```
public static final int SKIP_SIZE
```
  See Also:
  
  Constant Field Values

Constructor Detail

BaseRC4Cipher

public BaseRC4Cipher(int ivsize,
                     int kdfSize,
                     int keySize,
                     int blkSize)

Method Detail
- initializeIVData
```
protected byte[] initializeIVData(Cipher.Mode mode,
                                  byte[] iv,
                                  int reqLen)
```
  Overrides:
  
  initializeIVData in class BaseCipher
- createCipherInstance
```
protected javax.crypto.Cipher createCipherInstance(Cipher.Mode mode,
                                                   byte[] key,
                                                   byte[] iv)
                                            throws java.lang.Exception
```
  Overrides:
  
  createCipherInstance in class BaseCipher
  
  Throws:
  
  java.lang.Exception
- update
```
public void update(byte[] input,
                   int inputOffset,
                   int inputLen)
            throws java.lang.Exception
```
  Description copied from interface: Cipher
  
  Performs in-place encryption or decryption on the given data.
  
  Specified by:
  
  update in interface Cipher
  
  Overrides:
  
  update in class BaseCipher
  
  Parameters:
  
  input - The input/output bytes
  
  inputOffset - The offset of the data in the data buffer
  
  inputLen - The number of bytes to update, starting at the given offset; must be a multiple of the cipher's block size
  
  Throws:
  
  java.lang.Exception - If failed to execute