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

Class Md4

java.lang.Object

java.security.MessageDigestSpi

java.security.MessageDigest

org.apache.kerby.kerberos.kerb.crypto.util.Md4

public class Md4
extends MessageDigest

Copied from Mina project and modified a bit

Field Summary

Fields

Modifier and Type	Field	Description
static final int	BYTE_BLOCK_LENGTH	The MD4 algorithm block length is 64 bytes wide.
static final int	BYTE_DIGEST_LENGTH	The MD4 algorithm message digest length is 16 bytes wide.

Constructor Summary

Constructors

Constructor	Description
Md4()	Default constructor.

Method Summary

Modifier and Type	Method	Description
protected byte[]	engineDigest()
protected int	engineDigest(byte[] buf, int offset, int len)
protected int	engineGetDigestLength()	Returns the digest length in bytes.
protected void	engineReset()
protected void	engineUpdate(byte b)
protected void	engineUpdate(byte[] b, int offset, int len)

Methods inherited from class java.security.MessageDigest

clone, digest, digest, digest, getAlgorithm, getDigestLength, getInstance, getInstance, getInstance, getProvider, isEqual, reset, toString, update, update, update, update

Methods inherited from class java.security.MessageDigestSpi

engineUpdate

Methods inherited from class java.lang.Object

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

Field Details

BYTE_DIGEST_LENGTH

public static final int BYTE_DIGEST_LENGTH

The MD4 algorithm message digest length is 16 bytes wide.

See Also:

• Constant Field Values

BYTE_BLOCK_LENGTH

public static final int BYTE_BLOCK_LENGTH

The MD4 algorithm block length is 64 bytes wide.

See Also:

• Constant Field Values

Constructor Details

Md4

public Md4()

Default constructor.

Method Details

engineGetDigestLength

protected int engineGetDigestLength()

Returns the digest length in bytes.

Overrides:

engineGetDigestLength in class MessageDigestSpi

Returns:

the digest length in bytes.

engineUpdate

protected void engineUpdate(byte b)

Specified by:

engineUpdate in class MessageDigestSpi

engineUpdate

protected void engineUpdate(byte[] b,
 int offset,
 int len)

Specified by:

engineUpdate in class MessageDigestSpi

engineDigest

protected byte[] engineDigest()

Specified by:

engineDigest in class MessageDigestSpi

engineDigest

protected int engineDigest(byte[] buf,
 int offset,
 int len)
                    throws DigestException

Overrides:

engineDigest in class MessageDigestSpi

Throws:

DigestException

engineReset

protected void engineReset()

Specified by:

engineReset in class MessageDigestSpi