org.apache.ws.security.message
Class WSSecDKSign

java.lang.Object
  org.apache.ws.security.message.WSSecBase
      org.apache.ws.security.message.WSSecDerivedKeyBase
          org.apache.ws.security.message.WSSecDKSign

public class WSSecDKSign
extends WSSecDerivedKeyBase

Builder to sign with derived keys

Author:

Ruchith Fernando (ruchith.fernando@gmail.com), Davanum Srinivas (dims@yahoo.com), Werner Dittmann (werner@apache.org)

Field Summary

protected String	canonAlgo
protected String	sigAlgo
protected byte[]	signatureValue

Fields inherited from class org.apache.ws.security.message.WSSecDerivedKeyBase

clientLabel, derivedKeyBytes, derivedKeyLength, dkt, dktId, document, envelope, ephemeralKey, serviceLabel, strElem, tokenIdDirectId, tokenIdentifier

Fields inherited from class org.apache.ws.security.message.WSSecBase

doDebug, keyIdentifierType, parts, password, user, wssConfig

Constructor Summary

WSSecDKSign()

Method Summary

void	addReferencesToSign(Vector references, WSSecHeader secHeader) This method adds references to the Signature.
void	appendSigToHeader(WSSecHeader secHeader)
Document	build(Document doc, WSSecHeader secHeader)
void	computeSignature() Compute the Signature over the references.
protected Element	createSTRParameter(Document doc)
protected int	getDerivedKeyLength() The derived key will change depending on the sig/encr algorithm.
protected Set	getInclusivePrefixes(Element target)
protected Set	getInclusivePrefixes(Element target, boolean excludeVisible)
String	getSigCanonicalization() Get the canonicalization method.
Element	getSignatureElement() Returns the signature Element.
byte[]	getSignatureValue()
void	prepare(Document doc, WSSecHeader secHeader)
void	prependSigToHeader(WSSecHeader secHeader) Prepends the Signature element to the elements already in the Security header.
void	setSigCanonicalization(String algo) Set the canonicalization method to use.
void	setSignatureAlgorithm(String algo)

Methods inherited from class org.apache.ws.security.message.WSSecDerivedKeyBase

appendDKElementToHeader, getdktElement, getId, getTokenIdentifier, prepare, prependDKElementToHeader, setClientLabel, setCustomValueType, setDerivedKeyLength, setExternalKey, setExternalKey, setServiceLabel, setTokenIdDirectId, setWscVersion

Methods inherited from class org.apache.ws.security.message.WSSecBase

getKeyIdentifierType, setBodyID, setKeyIdentifierType, setParts, setUserInfo, setWsConfig, setWsuId

Methods inherited from class java.lang.Object

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

Field Detail

sigAlgo

protected String sigAlgo

canonAlgo

protected String canonAlgo

signatureValue

protected byte[] signatureValue

Constructor Detail

WSSecDKSign

public WSSecDKSign()

Method Detail

build

public Document build(Document doc,
                      WSSecHeader secHeader)
               throws WSSecurityException,
                      ConversationException

Throws:

WSSecurityException

ConversationException

prepare

public void prepare(Document doc,
                    WSSecHeader secHeader)
             throws WSSecurityException,
                    ConversationException

Throws:

WSSecurityException

ConversationException

getInclusivePrefixes

protected Set getInclusivePrefixes(Element target)

getInclusivePrefixes

protected Set getInclusivePrefixes(Element target,
                                   boolean excludeVisible)

addReferencesToSign

public void addReferencesToSign(Vector references,
                                WSSecHeader secHeader)
                         throws WSSecurityException

This method adds references to the Signature. The added references are signed when calling computeSignature(). This method can be called several times to add references as required. addReferencesToSign() can be called any time after prepare.

Parameters:

references - A vector containing WSEncryptionPart objects that define the parts to sign.

secHeader - Used to compute namespaces to be inserted by InclusiveNamespaces to be WSI compliant.

Throws:

WSSecurityException

createSTRParameter

protected Element createSTRParameter(Document doc)

prependSigToHeader

public void prependSigToHeader(WSSecHeader secHeader)

Prepends the Signature element to the elements already in the Security header. The method can be called any time after prepare(). This allows to insert the Signature element at any position in the Security header.

Parameters:

secHeader - The secHeader that holds the Signature element.

appendSigToHeader

public void appendSigToHeader(WSSecHeader secHeader)

getSignatureElement

public Element getSignatureElement()

Returns the signature Element. The method can be called any time after prepare().

Returns:

the signature element

computeSignature

public void computeSignature()
                      throws WSSecurityException

Compute the Signature over the references. After references are set this method computes the Signature for them. This method can be called any time after the references were set. See addReferencesToSign().

Throws:

WSSecurityException

getDerivedKeyLength

protected int getDerivedKeyLength()
                           throws WSSecurityException

Description copied from class: WSSecDerivedKeyBase

The derived key will change depending on the sig/encr algorithm. Therefore the child classes are expected to provide this value.

Specified by:

getDerivedKeyLength in class WSSecDerivedKeyBase

Returns:

the derived key length

Throws:

WSSecurityException

See Also:

WSSecDerivedKeyBase.getDerivedKeyLength()

setSignatureAlgorithm

public void setSignatureAlgorithm(String algo)

getSignatureValue

public byte[] getSignatureValue()

Returns:

Returns the signatureValue.

setSigCanonicalization

public void setSigCanonicalization(String algo)

Set the canonicalization method to use. If the canonicalization method is not set then the recommended Exclusive XML Canonicalization is used by default Refer to WSConstants which algorithms are supported.

Parameters:

algo - Is the name of the signature algorithm

See Also:

WSConstants.C14N_OMIT_COMMENTS, WSConstants.C14N_WITH_COMMENTS, WSConstants.C14N_EXCL_OMIT_COMMENTS, WSConstants.C14N_EXCL_WITH_COMMENTS

getSigCanonicalization

public String getSigCanonicalization()

Get the canonicalization method. If the canonicalization method was not set then Exclusive XML Canonicalization is used by default.

Returns:

The string describing the canonicalization algorithm.