sun.security.mule.krb5.internal.crypto
Class CksumType

java.lang.Object
  sun.security.mule.krb5.internal.crypto.CksumType

Direct Known Subclasses:

Crc32CksumType, DesMacCksumType, DesMacKCksumType, HmacMd5ArcFourCksumType, HmacSha1Aes128CksumType, HmacSha1Aes256CksumType, HmacSha1Des3KdCksumType, RsaMd5CksumType, RsaMd5DesCksumType

public abstract class CksumType
extends Object

Constructor Summary

CksumType()

Method Summary

abstract byte[]	calculateChecksum(byte[] data, int size)
abstract byte[]	calculateKeyedChecksum(byte[] data, int size, byte[] key, int usage)
abstract int	cksumSize()
abstract int	cksumType()
abstract int	confounderSize()
static CksumType	getInstance(Config kerberosConfig) Returns default checksum type.
static CksumType	getInstance(int cksumTypeConst)
static boolean	isChecksumEqual(byte[] cksum1, byte[] cksum2)
abstract boolean	isSafe()
abstract int	keySize()
abstract int	keyType()
abstract boolean	verifyKeyedChecksum(byte[] data, int size, byte[] key, byte[] checksum, int usage)

Methods inherited from class java.lang.Object

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

Constructor Detail

CksumType

public CksumType()

Method Detail

getInstance

public static CksumType getInstance(int cksumTypeConst)
                             throws KdcErrException

Throws:

KdcErrException

getInstance

public static CksumType getInstance(Config kerberosConfig)
                             throws KdcErrException

Returns default checksum type.

Throws:

KdcErrException

confounderSize

public abstract int confounderSize()

cksumType

public abstract int cksumType()

isSafe

public abstract boolean isSafe()

cksumSize

public abstract int cksumSize()

keyType

public abstract int keyType()

keySize

public abstract int keySize()

calculateChecksum

public abstract byte[] calculateChecksum(byte[] data,
                                         int size)
                                  throws KrbCryptoException

Throws:

KrbCryptoException

calculateKeyedChecksum

public abstract byte[] calculateKeyedChecksum(byte[] data,
                                              int size,
                                              byte[] key,
                                              int usage)
                                       throws KrbCryptoException

Throws:

KrbCryptoException

verifyKeyedChecksum

public abstract boolean verifyKeyedChecksum(byte[] data,
                                            int size,
                                            byte[] key,
                                            byte[] checksum,
                                            int usage)
                                     throws KrbCryptoException

Throws:

KrbCryptoException

isChecksumEqual

public static boolean isChecksumEqual(byte[] cksum1,
                                      byte[] cksum2)