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

Method Summary

Modifier and Type	Method	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 Details

AbstractCheckSumTypeHandler

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

Method Details

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 org.apache.kerby.kerberos.kerb.KrbException

Specified by:

checksum in interface CheckSumTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

checksum

public byte[] checksum(byte[] data,
 int start,
 int size)
                throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

checksum in interface CheckSumTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

verify

public boolean verify(byte[] data,
 byte[] checksum)
               throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

verify in interface CheckSumTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

verify

public boolean verify(byte[] data,
 int start,
 int size,
 byte[] checksum)
               throws org.apache.kerby.kerberos.kerb.KrbException

Specified by:

verify in interface CheckSumTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

checksumWithKey

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

Specified by:

checksumWithKey in interface CheckSumTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

checksumWithKey

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

Specified by:

checksumWithKey in interface CheckSumTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException

verifyWithKey

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

Specified by:

verifyWithKey in interface CheckSumTypeHandler

Throws:

org.apache.kerby.kerberos.kerb.KrbException