iaik.xml.crypto.dsig

Class AbstractSignatureMethodImpl

java.lang.Object

javax.xml.crypto.dom.DOMStructure

iaik.xml.crypto.dom.DOMStructure

iaik.xml.crypto.dsig.AlgorithmMethodImpl

iaik.xml.crypto.dsig.AbstractSignatureMethodImpl

All Implemented Interfaces:

AlgorithmMethod, SignatureMethod, XMLStructure

Direct Known Subclasses:

SignatureMethodImpl

public abstract class AbstractSignatureMethodImpl
extends AlgorithmMethodImpl
implements SignatureMethod

Nested Class Summary

Nested classes/interfaces inherited from class iaik.xml.crypto.dom.DOMStructure

DOMStructure.NodeWrapper

Field Summary

Fields inherited from class iaik.xml.crypto.dsig.AlgorithmMethodImpl

algorithm_, params_, spec_

Fields inherited from class iaik.xml.crypto.dom.DOMStructure

implMap_, state_, STATE_CREATED, STATE_MARSHALED, STATE_UNINITIALIZED, STATE_UNMARSHALED

Fields inherited from interface javax.xml.crypto.dsig.SignatureMethod

DSA_SHA1, HMAC_SHA1, RSA_SHA1

Constructor Summary

Constructors

Constructor and Description
AbstractSignatureMethodImpl(DOMCryptoContext context, Node node) Creates a new instance of this AbstractSignatureMethodImpl with the specified context and node to unmarshal from.
AbstractSignatureMethodImpl(String algorithm, SignatureMethodParameterSpec params) Creates a new instance of this AbstractSignatureMethodImpl with the specified algorithm and params.

Method Summary

Modifier and Type	Method and Description
abstract byte[]	calculateSignatureValue(XMLCryptoContext context, Key key, InputStream message) Calculates the signature value.
String	getLocalName() Returns the local name of the represented XML element.
String	getNamespace() Returns the namespace URI of the represented XML element.
abstract boolean	validateSignatureValue(XMLCryptoContext context, Key key, byte[] value, InputStream message) Validates the signature.

Methods inherited from class iaik.xml.crypto.dsig.AlgorithmMethodImpl

containsElements, getAlgorithm, getAlgorithmInstance, getAlgorithmInstanceUncaught, getParameterSpec, getParameterSpecClass, getParamInstanceUncaught, marshal, marshalAttributes, unmarshalAttributes, unmarshalStructures

Methods inherited from class iaik.xml.crypto.dom.DOMStructure

addBytesToElement, addBytesToElement, clearMarshalling, clearMarshalling, getBytesFromElement, getBytesFromElementStream, getChildStructures, getChildStructureVersion, getHere, getImplClass, getInstance, getInstance, getNode, getParentStructure, getParentStructureOf, getQualifiedName, getQualifiedName, hasNSDeclAttrInScope, isFeatureSupported, isNSDeclInScope, marshalElement, marshalIDAttribute, newIDforLookUp, putChildStructure, putImplClass, setBackToCompatibilityPrior1_14, setNode, setParentStructure, toString, unmarshal, unmarshalElement, unmarshalIDAttribute, wrapNode

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.xml.crypto.dsig.SignatureMethod

getParameterSpec

Methods inherited from interface javax.xml.crypto.XMLStructure

isFeatureSupported

Methods inherited from interface javax.xml.crypto.AlgorithmMethod

getAlgorithm

Constructor Detail

AbstractSignatureMethodImpl

public AbstractSignatureMethodImpl(String algorithm,
                                   SignatureMethodParameterSpec params)
                            throws NoSuchAlgorithmException,
                                   InvalidAlgorithmParameterException

Creates a new instance of this AbstractSignatureMethodImpl with the specified algorithm and params.

Parameters:

algorithm - the URI identifying the signature algorithm

params - algorithm-specific signature parameters (may be null)

Throws:

InvalidAlgorithmParameterException - if the specified parameters are inappropriate for the requested algorithm

NoSuchAlgorithmException - if an implementation of the specified algorithm cannot be found

NullPointerException - if algorithm is null

AbstractSignatureMethodImpl

public AbstractSignatureMethodImpl(DOMCryptoContext context,
                                   Node node)
                            throws MarshalException

Creates a new instance of this AbstractSignatureMethodImpl with the specified context and node to unmarshal from.

Parameters:

context - the marshal context

node - the node to unmarshal from

Throws:

MarshalException - if an exception occurs during unmarshaling

Method Detail

getLocalName

public String getLocalName()

Description copied from class: DOMStructure

Returns the local name of the represented XML element.

Specified by:

getLocalName in class DOMStructure

Returns:

the local name of the represented XML element

See Also:

DOMStructure.getLocalName()

getNamespace

public String getNamespace()

Description copied from class: DOMStructure

Returns the namespace URI of the represented XML element.

Specified by:

getNamespace in class DOMStructure

Returns:

the namespace URI of the represented XML element

See Also:

DOMStructure.getNamespace()

validateSignatureValue

public abstract boolean validateSignatureValue(XMLCryptoContext context,
                                               Key key,
                                               byte[] value,
                                               InputStream message)
                                        throws XMLSignatureException,
                                               IOException

Validates the signature.

Parameters:

context -

key - the key for verification

value - the raw signature value

message - the message

Returns:

true if the signature could be validated successfully, otherwise false.

Throws:

XMLSignatureException - if an unexpected exception occurs during validation

IOException - if reading from message fails

calculateSignatureValue

public abstract byte[] calculateSignatureValue(XMLCryptoContext context,
                                               Key key,
                                               InputStream message)
                                        throws XMLSignatureException,
                                               IOException

Calculates the signature value.

Parameters:

key - the key used for singing

message - the message to be signed

Returns:

the raw signature value

Throws:

XMLSignatureException - if an unexpected exception occurs during signature calculation

IOException - if reading from message fails