org.alfresco.encryption

Class MACUtils

java.lang.Object

org.alfresco.encryption.MACUtils

public class MACUtils
extends java.lang.Object

Provides support for generating and checking MACs (Message Authentication Codes) using Alfresco's secret keys.

Since:

4.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MACUtils.MACInput Represents the information to be fed into the MAC generator

Constructor Summary

Constructors

Constructor and Description
MACUtils() Default constructor for IOC

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	generateMAC(java.lang.String keyAlias, MACUtils.MACInput macInput)
protected javax.crypto.Mac	getMac(java.lang.String keyAlias)
protected byte[]	longToByteArray(long l)
void	setKeyProvider(KeyProvider keyProvider)
void	setMacAlgorithm(java.lang.String macAlgorithm)
boolean	validateMAC(java.lang.String keyAlias, byte[] expectedMAC, MACUtils.MACInput macInput) Compares the expectedMAC against the MAC generated from Assumes message has been decrypted

Methods inherited from class java.lang.Object

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

Constructor Detail

MACUtils

public MACUtils()

Default constructor for IOC

Method Detail

setKeyProvider

public void setKeyProvider(KeyProvider keyProvider)

setMacAlgorithm

public void setMacAlgorithm(java.lang.String macAlgorithm)

getMac

protected javax.crypto.Mac getMac(java.lang.String keyAlias)
                           throws java.lang.Exception

Throws:

java.lang.Exception

longToByteArray

protected byte[] longToByteArray(long l)
                          throws java.io.IOException

Throws:

java.io.IOException

generateMAC

public byte[] generateMAC(java.lang.String keyAlias,
                 MACUtils.MACInput macInput)

validateMAC

public boolean validateMAC(java.lang.String keyAlias,
                  byte[] expectedMAC,
                  MACUtils.MACInput macInput)

Compares the expectedMAC against the MAC generated from Assumes message has been decrypted

Parameters:

keyAlias -

expectedMAC -

timestamp -

ipAddress -

message -

Returns: