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

Class AbstractEncTypeHandler

java.lang.Object

org.apache.kerby.kerberos.kerb.crypto.AbstractCryptoTypeHandler

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

All Implemented Interfaces:

CryptoTypeHandler, EncTypeHandler

Direct Known Subclasses:

DesCbcCrcEnc, DesCbcMd4Enc, DesCbcMd5Enc, KeKiEnc, Rc4HmacEnc

public abstract class AbstractEncTypeHandler
extends AbstractCryptoTypeHandler
implements EncTypeHandler

Constructor Summary

Constructors

Constructor	Description
AbstractEncTypeHandler(EncryptProvider encProvider, HashProvider hashProvider, int prfSize)

Method Summary

Modifier and Type	Method	Description
int	checksumSize()
int	confounderSize()
byte[]	decrypt(byte[] cipher, byte[] key, byte[] iv, int usage)
byte[]	decrypt(byte[] cipher, byte[] key, int usage)
byte[]	decryptRaw(byte[] cipher, byte[] key, byte[] iv, int usage)
byte[]	decryptRaw(byte[] cipher, byte[] key, int usage)
protected byte[]	decryptWith(byte[] workBuffer, int[] workLens, byte[] key, byte[] iv, int usage, boolean raw)
String	displayName()
byte[]	encrypt(byte[] data, byte[] key, byte[] iv, int usage)
byte[]	encrypt(byte[] data, byte[] key, int usage)
byte[]	encryptRaw(byte[] data, byte[] key, byte[] iv, int usage)
byte[]	encryptRaw(byte[] data, byte[] key, int usage)
protected void	encryptWith(byte[] workBuffer, int[] workLens, byte[] key, byte[] iv, int usage, boolean raw)
int	keyInputSize()
protected KeyMaker	keyMaker()
protected void	keyMaker(KeyMaker keyMaker)
int	keySize()
String	name()
protected abstract int	paddingLength(int inputLen)
int	paddingSize()
int	prfSize()
byte[]	random2Key(byte[] randomBits)
byte[]	str2key(String string, String salt, byte[] param)

Methods inherited from class org.apache.kerby.kerberos.kerb.crypto.AbstractCryptoTypeHandler

checksumEqual, checksumEqual, encProvider, hashProvider

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.kerby.kerberos.kerb.crypto.CryptoTypeHandler

encProvider, hashProvider

Methods inherited from interface org.apache.kerby.kerberos.kerb.crypto.EncTypeHandler

checksumType, eType, prf

Constructor Details

AbstractEncTypeHandler

public AbstractEncTypeHandler(EncryptProvider encProvider,
 HashProvider hashProvider,
 int prfSize)

Method Details

keyMaker

protected void keyMaker(KeyMaker keyMaker)

keyMaker

protected KeyMaker keyMaker()

prfSize

public int prfSize()

Specified by:

prfSize in interface EncTypeHandler

name

public String name()

Specified by:

name in interface CryptoTypeHandler

displayName

public String displayName()

Specified by:

displayName in interface CryptoTypeHandler

paddingLength

protected abstract int paddingLength(int inputLen)

keyInputSize

public int keyInputSize()

Specified by:

keyInputSize in interface EncTypeHandler

keySize

public int keySize()

Specified by:

keySize in interface EncTypeHandler

confounderSize

public int confounderSize()

Specified by:

confounderSize in interface EncTypeHandler

checksumSize

public int checksumSize()

Specified by:

checksumSize in interface EncTypeHandler

paddingSize

public int paddingSize()

Specified by:

paddingSize in interface EncTypeHandler

str2key

public byte[] str2key(String string,
 String salt,
 byte[] param)
               throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

str2key in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

random2Key

public byte[] random2Key(byte[] randomBits)
                  throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

random2Key in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

encrypt

public byte[] encrypt(byte[] data,
 byte[] key,
 int usage)
               throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

encrypt in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

encrypt

public byte[] encrypt(byte[] data,
 byte[] key,
 byte[] iv,
 int usage)
               throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

encrypt in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

encryptRaw

public byte[] encryptRaw(byte[] data,
 byte[] key,
 int usage)
                  throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

encryptRaw in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

encryptRaw

public byte[] encryptRaw(byte[] data,
 byte[] key,
 byte[] iv,
 int usage)
                  throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

encryptRaw in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

encryptWith

protected void encryptWith(byte[] workBuffer,
 int[] workLens,
 byte[] key,
 byte[] iv,
 int usage,
 boolean raw)
                    throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException

decrypt

public byte[] decrypt(byte[] cipher,
 byte[] key,
 int usage)
               throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

decrypt in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

decrypt

public byte[] decrypt(byte[] cipher,
 byte[] key,
 byte[] iv,
 int usage)
               throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

decrypt in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

decryptRaw

public byte[] decryptRaw(byte[] cipher,
 byte[] key,
 int usage)
                  throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

decryptRaw in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

decryptRaw

public byte[] decryptRaw(byte[] cipher,
 byte[] key,
 byte[] iv,
 int usage)
                  throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

decryptRaw in interface EncTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

decryptWith

protected byte[] decryptWith(byte[] workBuffer,
 int[] workLens,
 byte[] key,
 byte[] iv,
 int usage,
 boolean raw)
                      throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException