org.apache.shindig.common.util

Class HashUtil

java.lang.Object

org.apache.shindig.common.util.HashUtil

public final class HashUtil
extends Object

Routines for producing hashes.

Method Summary

Methods

Modifier and Type	Method and Description
static String	bytesToHex(byte[] hashBytes) Converts a byte array into a hex string.
static String	checksum(byte[] data) Produces a checksum for the given input data.
static MessageDigest	getMessageDigest() Provides a MessageDigest object for calculating checksums.
static String	rawChecksum(byte[] data) Produces a raw checksum for the given input data.

Methods inherited from class java.lang.Object

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

Method Detail

checksum

public static String checksum(byte[] data)

Produces a checksum for the given input data. Currently uses a hexified message digest.

Parameters:

data -

Returns:

The checksum.

bytesToHex

public static String bytesToHex(byte[] hashBytes)

Converts a byte array into a hex string.

Parameters:

hashBytes - The byte array to convert.

Returns:

The hex string.

rawChecksum

public static String rawChecksum(byte[] data)

Produces a raw checksum for the given input data. Currently uses a message digest

Parameters:

data -

Returns:

The checksum.

getMessageDigest

public static MessageDigest getMessageDigest()

Provides a MessageDigest object for calculating checksums.

Returns:

A MessageDigest object.