org.apache.kerby.kerberos.kerb.crypto.enc.provider

Class AbstractEncryptProvider

java.lang.Object

org.apache.kerby.kerberos.kerb.crypto.enc.provider.AbstractEncryptProvider

All Implemented Interfaces:

EncryptProvider

Direct Known Subclasses:

AesProvider, CamelliaProvider, Des3Provider, DesProvider, Rc4Provider

public abstract class AbstractEncryptProvider
extends Object
implements EncryptProvider

Constructor Summary

Constructors

Constructor and Description
AbstractEncryptProvider(int blockSize, int keyInputSize, int keySize)

Method Summary

Methods

Modifier and Type	Method and Description
int	blockSize()
byte[]	cbcMac(byte[] key, byte[] iv, byte[] data)
void	decrypt(byte[] key, byte[] data)
void	decrypt(byte[] key, byte[] cipherState, byte[] data)
protected abstract void	doEncrypt(byte[] data, byte[] key, byte[] cipherState, boolean encrypt)
void	encrypt(byte[] key, byte[] data)
void	encrypt(byte[] key, byte[] cipherState, byte[] data)
int	keyInputSize()
int	keySize()
boolean	supportCbcMac()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractEncryptProvider

public AbstractEncryptProvider(int blockSize,
                       int keyInputSize,
                       int keySize)

Method Detail

keyInputSize

public int keyInputSize()

Specified by:

keyInputSize in interface EncryptProvider

keySize

public int keySize()

Specified by:

keySize in interface EncryptProvider

blockSize

public int blockSize()

Specified by:

blockSize in interface EncryptProvider

encrypt

public void encrypt(byte[] key,
           byte[] cipherState,
           byte[] data)
             throws KrbException

Specified by:

encrypt in interface EncryptProvider

Throws:

KrbException

decrypt

public void decrypt(byte[] key,
           byte[] cipherState,
           byte[] data)
             throws KrbException

Specified by:

decrypt in interface EncryptProvider

Throws:

KrbException

encrypt

public void encrypt(byte[] key,
           byte[] data)
             throws KrbException

Specified by:

encrypt in interface EncryptProvider

Throws:

KrbException

decrypt

public void decrypt(byte[] key,
           byte[] data)
             throws KrbException

Specified by:

decrypt in interface EncryptProvider

Throws:

KrbException

doEncrypt

protected abstract void doEncrypt(byte[] data,
             byte[] key,
             byte[] cipherState,
             boolean encrypt)
                           throws KrbException

Throws:

KrbException

cbcMac

public byte[] cbcMac(byte[] key,
            byte[] iv,
            byte[] data)
              throws KrbException

Specified by:

cbcMac in interface EncryptProvider

Throws:

KrbException

supportCbcMac

public boolean supportCbcMac()

Specified by:

supportCbcMac in interface EncryptProvider