Examples of javax.xml.crypto.dsig.keyinfo.KeyValue

javax.xml.crypto.dsig.keyinfo.KeyValue

3.org/TR/xmldsig-core/"> W3C Recommendation for XML-Signature Syntax and Processing. A KeyValue object contains a single public key that may be useful in validating the signature. The XML schema definition is defined as:

 <element name="KeyValue" type="ds:KeyValueType"/> <complexType name="KeyValueType" mixed="true"> <choice> <element ref="ds:DSAKeyValue"/> <element ref="ds:RSAKeyValue"/> <any namespace="##other" processContents="lax"/> </choice> </complexType> <element name="DSAKeyValue" type="ds:DSAKeyValueType"/> <complexType name="DSAKeyValueType"> <sequence> <sequence minOccurs="0"> <element name="P" type="ds:CryptoBinary"/> <element name="Q" type="ds:CryptoBinary"/> </sequence> <element name="G" type="ds:CryptoBinary" minOccurs="0"/>  <element name="Y" type="ds:CryptoBinary"/>  <element name="J" type="ds:CryptoBinary" minOccurs="0"/> <sequence minOccurs="0"> <element name="Seed" type="ds:CryptoBinary"/>  <element name="PgenCounter" type="ds:CryptoBinary"/>  </sequence> </sequence> </complexType> <element name="RSAKeyValue" type="ds:RSAKeyValueType"/> <complexType name="RSAKeyValueType"> <sequence> <element name="Modulus" type="ds:CryptoBinary"/>  <element name="Exponent" type="ds:CryptoBinary"/> </sequence> </complexType>

A KeyValue instance may be created by invoking the {@link KeyInfoFactory#newKeyValue newKeyValue} method of the{@link KeyInfoFactory} class, and passing it a {@link java.security.PublicKey} representing the value of the public key. Here is an example of creating a KeyValue from a {@link DSAPublicKey} of a {@link java.security.cert.Certificate} stored in a {@link java.security.KeyStore}:

 KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType()); PublicKey dsaPublicKey = keyStore.getCertificate("myDSASigningCert").getPublicKey(); KeyInfoFactory factory = KeyInfoFactory.getInstance("DOM"); KeyValue keyValue = factory.newKeyValue(dsaPublicKey);

This class returns the DSAKeyValue and RSAKeyValue elements as objects of type {@link DSAPublicKey} and {@link RSAPublicKey}, respectively. Note that not all of the fields in the schema are accessible as parameters of these types. @author Sean Mullan @author JSR 105 Expert Group @see KeyInfoFactory#newKeyValue(PublicKey)

  }
        if (!(obj instanceof KeyValue)) {
            return false;
        }
  try {
            KeyValue kv = (KeyValue) obj;
            if (publicKey == null ) {
                if (kv.getPublicKey() != null) {
                    return false;
                }
            } else if (!publicKey.equals(kv.getPublicKey())) {
                return false;
            }
  } catch (KeyException ke) {
      // no practical way to determine if the keys are equal
      return false;

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            case WSConstants.KEY_VALUE:
                java.security.PublicKey publicKey = certs[0].getPublicKey();
                
                try {
                    KeyValue keyValue = keyInfoFactory.newKeyValue(publicKey);
                    keyInfo = 
                        keyInfoFactory.newKeyInfo(
                            java.util.Collections.singletonList(keyValue), keyInfoUri
                        );
                } catch (java.security.KeyException ex) {

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        return kif.newKeyInfo(Collections.singletonList(x509d));
    }


    private static KeyInfo generateKeyInfo(PublicKey publicKey) throws GeneralSecurityException {
        KeyInfoFactory kif = new DOMKeyInfoFactory();
        KeyValue kv = kif.newKeyValue(publicKey);
        return kif.newKeyInfo(Collections.singletonList(kv));
    }

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    }
    
    private PublicKey parseKeyValue(
        Element keyInfoElement
    ) throws WSSecurityException {
        KeyValue keyValue = null;
        try {
            //
            // Look for a KeyValue object
            //
            keyValue = getKeyValue(keyInfoElement);
        } catch (javax.xml.crypto.MarshalException ex) {
            throw new WSSecurityException(WSSecurityException.FAILED_CHECK, null, null, ex);
        } 


        if (keyValue != null) {
            try {
                //
                // Look for a Public Key in Key Value
                //
                return keyValue.getPublicKey();
            } catch (java.security.KeyException ex) {
                LOG.error(ex.getMessage(), ex);
                throw new WSSecurityException(WSSecurityException.FAILED_CHECK, null, null, ex);
            }     
        } else {

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        SignatureMethod signatureMethod = this.xmlSignatureFactory.newSignatureMethod(SignatureMethod.RSA_SHA1, null);


        this.signedInfo = this.xmlSignatureFactory.newSignedInfo(canonicalizationMethod, signatureMethod, Collections.singletonList(reference));


        KeyInfoFactory keyInfoFactory = this.xmlSignatureFactory.getKeyInfoFactory();
        KeyValue keyValue = keyInfoFactory.newKeyValue(publicKey);
        this.keyInfo = keyInfoFactory.newKeyInfo(Collections.singletonList(keyValue));


        ByteArrayInputStream inputStream = new ByteArrayInputStream(currentData);


        Document document = this.documentBuilderFactory.newDocumentBuilder().parse(inputStream);

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    }
    
    private PublicKey parseKeyValue(
        Element keyInfoElement
    ) throws WSSecurityException {
        KeyValue keyValue = null;
        try {
            //
            // Look for a KeyValue object
            //
            keyValue = getKeyValue(keyInfoElement);
        } catch (javax.xml.crypto.MarshalException ex) {
            throw new WSSecurityException(WSSecurityException.FAILED_CHECK, null, null, ex);
        } 


        if (keyValue != null) {
            try {
                //
                // Look for a Public Key in Key Value
                //
                return keyValue.getPublicKey();
            } catch (java.security.KeyException ex) {
                LOG.error(ex.getMessage(), ex);
                throw new WSSecurityException(WSSecurityException.FAILED_CHECK, null, null, ex);
            }     
        } else {

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            case WSConstants.KEY_VALUE:
                java.security.PublicKey publicKey = certs[0].getPublicKey();
                
                try {
                    KeyValue keyValue = keyInfoFactory.newKeyValue(publicKey);
                    keyInfo = 
                        keyInfoFactory.newKeyInfo(
                            java.util.Collections.singletonList(keyValue), keyInfoUri
                        );
                } catch (java.security.KeyException ex) {

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    }
    
    private PublicKey parseKeyValue(
        Element keyInfoElement
    ) throws WSSecurityException {
        KeyValue keyValue = null;
        try {
            //
            // Look for a KeyValue object
            //
            keyValue = getKeyValue(keyInfoElement);
        } catch (javax.xml.crypto.MarshalException ex) {
            throw new WSSecurityException(WSSecurityException.FAILED_CHECK, null, null, ex);
        } 


        if (keyValue != null) {
            try {
                //
                // Look for a Public Key in Key Value
                //
                return keyValue.getPublicKey();
            } catch (java.security.KeyException ex) {
                LOG.error(ex.getMessage(), ex);
                throw new WSSecurityException(WSSecurityException.FAILED_CHECK, null, null, ex);
            }     
        } else {

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    KeyPair kp = KeyStoreUtil.getKeyPair(KEYSTORE, KEYSTORE_PASSWORD, PRIVATE_KEY_ALIAS_PASSWORD, PRIVATE_KEY_ALIAS);


    // Step 6: Create a KeyInfo object. This step is optional, just as
    // KeyInfo as an element in Signature element is optional.
    KeyInfoFactory kif = fac.getKeyInfoFactory();
    KeyValue kv = kif.newKeyValue(kp.getPublic());
    KeyInfo ki = kif.newKeyInfo(Collections.singletonList(kv));


    // Step 7: Create an XMLSignature object. In JSR-105, the XMLSignature
    // interface models the Signature element of the W3C recommendation.
    XMLSignature signature = fac.newXMLSignature(si, ki, Collections.singletonList(obj), null, null);

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    KeyPair kp = KeyStoreUtil.getKeyPair(KEYSTORE, KEYSTORE_PASSWORD, PRIVATE_KEY_ALIAS_PASSWORD, PRIVATE_KEY_ALIAS);


    // Step 5b: Create a KeyInfo object. This step is optional, just as
    // KeyInfo as an element in Signature element is optional.
    KeyInfoFactory kif = fac.getKeyInfoFactory();
    KeyValue kv = kif.newKeyValue(kp.getPublic());
    KeyInfo ki = kif.newKeyInfo(Collections.singletonList(kv));


    // Step 5c : Create a DOMSignContext and specify the DSA PrivateKey and
    // location of the resulting XMLSignature's parent element.
    DOMSignContext dsc = new DOMSignContext(kp.getPrivate(), doc);

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