org.apache.kerby.kerberos.kerb.crypto.cksum

Class AbstractCheckSumTypeHandler

java.lang.Object

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

org.apache.kerby.kerberos.kerb.crypto.cksum.AbstractCheckSumTypeHandler

All Implemented Interfaces:

CheckSumTypeHandler, CryptoTypeHandler

Direct Known Subclasses:

AbstractKeyedCheckSumTypeHandler, AbstractUnkeyedCheckSumTypeHandler

public abstract class AbstractCheckSumTypeHandler
extends AbstractCryptoTypeHandler
implements CheckSumTypeHandler

Constructor Summary

Constructors

Constructor and Description
AbstractCheckSumTypeHandler(EncryptProvider encProvider, HashProvider hashProvider, int computeSize, int outputSize)

Method Summary

Modifier and Type	Method and Description
byte[]	checksum(byte[] data)
byte[]	checksum(byte[] data, int start, int size)
byte[]	checksumWithKey(byte[] data, byte[] key, int usage)
byte[]	checksumWithKey(byte[] data, int start, int size, byte[] key, int usage)
int	cksumSize()
int	computeSize()
int	confounderSize()
String	displayName()
boolean	isSafe()
int	keySize()
String	name()
int	outputSize()
boolean	verify(byte[] data, byte[] checksum)
boolean	verify(byte[] data, int start, int size, byte[] checksum)
boolean	verifyWithKey(byte[] data, byte[] key, int usage, byte[] checksum)

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.CheckSumTypeHandler

cksumType

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

encProvider, hashProvider

Constructor Detail

AbstractCheckSumTypeHandler

public AbstractCheckSumTypeHandler(EncryptProvider encProvider,
                                   HashProvider hashProvider,
                                   int computeSize,
                                   int outputSize)

Method Detail

name

public String name()

Specified by:

name in interface CryptoTypeHandler

displayName

public String displayName()

Specified by:

displayName in interface CryptoTypeHandler

computeSize

public int computeSize()

Specified by:

computeSize in interface CheckSumTypeHandler

outputSize

public int outputSize()

Specified by:

outputSize in interface CheckSumTypeHandler

isSafe

public boolean isSafe()

Specified by:

isSafe in interface CheckSumTypeHandler

cksumSize

public int cksumSize()

Specified by:

cksumSize in interface CheckSumTypeHandler

keySize

public int keySize()

Specified by:

keySize in interface CheckSumTypeHandler

confounderSize

public int confounderSize()

Specified by:

confounderSize in interface CheckSumTypeHandler

checksum

public byte[] checksum(byte[] data)
                throws KrbException

Specified by:

checksum in interface CheckSumTypeHandler

Throws:

KrbException

checksum

public byte[] checksum(byte[] data,
                       int start,
                       int size)
                throws KrbException

Specified by:

checksum in interface CheckSumTypeHandler

Throws:

KrbException

verify

public boolean verify(byte[] data,
                      byte[] checksum)
               throws KrbException

Specified by:

verify in interface CheckSumTypeHandler

Throws:

KrbException

verify

public boolean verify(byte[] data,
                      int start,
                      int size,
                      byte[] checksum)
               throws KrbException

Specified by:

verify in interface CheckSumTypeHandler

Throws:

KrbException

checksumWithKey

public byte[] checksumWithKey(byte[] data,
                              byte[] key,
                              int usage)
                       throws KrbException

Specified by:

checksumWithKey in interface CheckSumTypeHandler

Throws:

KrbException

checksumWithKey

public byte[] checksumWithKey(byte[] data,
                              int start,
                              int size,
                              byte[] key,
                              int usage)
                       throws KrbException

Specified by:

checksumWithKey in interface CheckSumTypeHandler

Throws:

KrbException

verifyWithKey

public boolean verifyWithKey(byte[] data,
                             byte[] key,
                             int usage,
                             byte[] checksum)
                      throws KrbException

Specified by:

verifyWithKey in interface CheckSumTypeHandler

Throws:

KrbException