org.apache.nifi.util.security

Class MessageDigestUtils

java.lang.Object

org.apache.nifi.util.security.MessageDigestUtils

public final class MessageDigestUtils
extends Object

Message Digest Utilities for standardized algorithm use within the framework

Field Summary

Fields

Modifier and Type	Field and Description
private static int	BUFFER_LENGTH
private static String	DIGEST_ALGORITHM
private static int	START_READ_INDEX
private static int	STREAM_END_INDEX

Constructor Summary

Constructors

Modifier	Constructor and Description
private	MessageDigestUtils()

Method Summary

Modifier and Type	Method and Description
static byte[]	getDigest(byte[] bytes) Get Digest using standard algorithm
static byte[]	getDigest(InputStream inputStream) Get Digest using standard algorithm
private static MessageDigest	getMessageDigest()

Methods inherited from class java.lang.Object

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

Field Detail

DIGEST_ALGORITHM

private static final String DIGEST_ALGORITHM

See Also:

Constant Field Values

BUFFER_LENGTH

private static final int BUFFER_LENGTH

See Also:

Constant Field Values

START_READ_INDEX

private static final int START_READ_INDEX

See Also:

Constant Field Values

STREAM_END_INDEX

private static final int STREAM_END_INDEX

See Also:

Constant Field Values

Constructor Detail

MessageDigestUtils

private MessageDigestUtils()

Method Detail

getDigest

public static byte[] getDigest(byte[] bytes)

Get Digest using standard algorithm

Parameters:

bytes - Bytes to be digested

Returns:

Computed Digest Bytes

getDigest

public static byte[] getDigest(InputStream inputStream)
                        throws IOException

Get Digest using standard algorithm

Parameters:

inputStream - Input Stream to be read and digested

Returns:

Computed Digest Bytes

Throws:

IOException - Thrown on InputStream.read()

getMessageDigest

private static MessageDigest getMessageDigest()