com.microej.crypto.internal.digest

Class NativeMessageDigestSpi

java.lang.Object

java.security.MessageDigestSpi

com.microej.crypto.internal.digest.AbstractMessageDigestSpi

com.microej.crypto.internal.digest.NativeMessageDigestSpi

All Implemented Interfaces:

Cloneable

public class NativeMessageDigestSpi
extends AbstractMessageDigestSpi

Field Summary

Fields

Modifier and Type	Field and Description
static int	ALGORITHM_DESCRIPTION_SIZE

Constructor Summary

Constructors

Constructor and Description
NativeMessageDigestSpi(int nativeAlgorithmId, int digestLength)

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.digest.AbstractMessageDigestSpi

engineDigest, engineDigest, engineGetDigestLength, engineReset, engineUpdate, engineUpdate

Methods inherited from class java.security.MessageDigestSpi

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

NativeMessageDigestSpi

public NativeMessageDigestSpi(int nativeAlgorithmId,
                              int digestLength)

Parameters:

nativeAlgorithmId -

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]: digestLength: 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.