com.microej.crypto.internal.mac

Class NativeMacSpi

java.lang.Object

javax.crypto.MacSpi

com.microej.crypto.internal.mac.AbstractMacSpi

com.microej.crypto.internal.mac.NativeMacSpi

All Implemented Interfaces:

Cloneable

public class NativeMacSpi
extends AbstractMacSpi

Field Summary

Fields

Modifier and Type	Field and Description
static int	ALGORITHM_DESCRIPTION_SIZE

Constructor Summary

Constructors

Constructor and Description
NativeMacSpi(int nativeAlgorithmId, int macLength)

Method Summary

Modifier and Type	Method and Description
static void	nativeClose(int nativeAlgorithmId, int nativeId)
static int	nativeGetAlgorithmDescription(byte[] algorithm, byte[] description) Gets for the given algorithm the message digest description.

Methods inherited from class com.microej.crypto.internal.mac.AbstractMacSpi

engineDoFinal, engineGetMacLength, engineInit, engineReset, engineUpdate, engineUpdate

Methods inherited from class javax.crypto.MacSpi

clone

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM_DESCRIPTION_SIZE

public static final int ALGORITHM_DESCRIPTION_SIZE

See Also:

nativeGetAlgorithmDescription(byte[], byte[]), Constant Field Values

Constructor Detail

NativeMacSpi

public NativeMacSpi(int nativeAlgorithmId,
                    int macLength)

Parameters:

macLength -

Method Detail

nativeClose

public static void nativeClose(int nativeAlgorithmId,
                               int nativeId)
                        throws NativeException

Parameters:

nativeAlgorithmId -

nativeId -

Throws:

NativeException - on error

nativeGetAlgorithmDescription

public static int nativeGetAlgorithmDescription(byte[] algorithm,
                                                byte[] description)

Gets for the given algorithm the message digest description.

description must be filled-in with:

• [0-3]: macLength: length of the message digest in bytes

Parameters:

algorithm - Null terminated string that describes the algorithm

Returns:

algorithm ID on success or -1 on error.