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diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java
new file mode 100644
index 000000000..d1beaab98
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java
@@ -0,0 +1,587 @@
+/*
+* Copyright 2003 Federal Chancellery Austria
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egovernment.moa.id.util;
+
+import iaik.security.ecc.ecdsa.ECDSAParameter;
+import iaik.security.ecc.ecdsa.ECPublicKey;
+import iaik.security.ecc.math.ecgroup.AffineCoordinate;
+import iaik.security.ecc.math.ecgroup.Coordinate;
+import iaik.security.ecc.math.ecgroup.CoordinateTypes;
+import iaik.security.ecc.math.ecgroup.ECGroupFactory;
+import iaik.security.ecc.math.ecgroup.ECPoint;
+import iaik.security.ecc.math.ecgroup.EllipticCurve;
+import iaik.security.ecc.math.field.Field;
+import iaik.security.ecc.math.field.FieldElement;
+import iaik.security.ecc.math.field.PrimeField;
+import iaik.security.ecc.parameter.ECCParameterFactory;
+import iaik.security.ecc.spec.ECCParameterSpec;
+
+import java.math.BigInteger;
+import java.security.PublicKey;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Vector;
+
+import org.w3c.dom.Attr;
+import org.w3c.dom.Element;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class ECDSAKeyValueConverter
+{
+
+
+ //TODO enhance javadoc
+
+ /**
+ * converter class which can be used to convert ECDSA keys encoded in XML
+ * to a PublicKey data structure
+ * @param keyValueElem ECDSAKeyValue Element
+ * @return ECPublicKey encoded in PublicKey data structure
+ * @throws Exception
+ */
+ public static PublicKey element2ECDSAPublicKey(Element keyValueElem) throws Exception
+ {
+ String ecdsaNS = ECDSAConstants.NAMESPACE_ECDSAKEYVALUE_;
+
+ // Domain parameters
+ Element domainParams = getChildElement(keyValueElem, ecdsaNS, "DomainParameters", 1);
+ if (domainParams == null) throw new Exception("Domain parameters must not be implicit.");
+
+ Element namedCurve = getChildElement(domainParams, ecdsaNS, "NamedCurve", 1);
+ ECCParameterSpec eccParameterSpec;
+
+ if (namedCurve != null)
+ {
+ // URL curveNameURN = new URL(namedCurve.getAttributeNS(null, "URN"));
+ String curveNameOID = namedCurve.getAttributeNS(null, "URN").substring(8);
+ ECCParameterFactory eccParamFactory = ECCParameterFactory.getInstance();
+ // eccParameterSpec = eccParamFactory.getParameterByOID(curveNameURN.getPath().substring(4));
+ eccParameterSpec = eccParamFactory.getParameterByOID(curveNameOID);
+ }
+ else
+ {
+ Element excplicitParams = getChildElement(domainParams, ecdsaNS, "ExplicitParams", 1);
+ Element fieldParams = getChildElement(excplicitParams, ecdsaNS, "FieldParams", 1);
+ Element curveParams = getChildElement(excplicitParams, ecdsaNS, "CurveParams", 1);
+ Element basePointParams = getChildElement(excplicitParams, ecdsaNS, "BasePointParams", 1);
+
+ // Field parameters
+ String fieldParamsTypeStr = fieldParams.getAttributeNS(ECDSAConstants.NAMESPACE_XSI_, "type");
+ String ecdsaNSPrefix = getECDSANSPrefix(fieldParams);
+ BigInteger p = null;
+ int fieldParamsType = 0;
+ final int FIELD_TYPE_PRIME = 1;
+ final int FIELD_TYPE_TNB = 2;
+ final int FIELD_TYPE_PNB = 3;
+ int m = -1, k = -1, k1 = -1, k2 = -1, k3 = -1;
+ if (fieldParamsTypeStr.equals(ecdsaNSPrefix + ":PrimeFieldParamsType"))
+ {
+ fieldParamsType = FIELD_TYPE_PRIME;
+ String pStr = getChildElementText(fieldParams, ecdsaNS, "P", 1);
+ p = new BigInteger(pStr, 10);
+ }
+ else if (fieldParamsTypeStr.equals(ecdsaNSPrefix + ":TnBFieldParamsType"))
+ {
+ fieldParamsType = FIELD_TYPE_TNB;
+ String mStr = getChildElementText(fieldParams, ecdsaNS, "M", 1);
+ m = Integer.parseInt(mStr);
+ String kStr = getChildElementText(fieldParams, ecdsaNS, "K", 1);
+ k = Integer.parseInt(kStr);
+ }
+ else if (fieldParamsTypeStr.equals(ecdsaNSPrefix + ":PnBFieldParamsType"))
+ {
+ fieldParamsType = FIELD_TYPE_PNB;
+ String mStr = getChildElementText(fieldParams, ecdsaNS, "M", 1);
+ m = Integer.parseInt(mStr);
+ String k1Str = getChildElementText(fieldParams, ecdsaNS, "K1", 1);
+ k1 = Integer.parseInt(k1Str);
+ String k2Str = getChildElementText(fieldParams, ecdsaNS, "K2", 1);
+ k2 = Integer.parseInt(k2Str);
+ String k3Str = getChildElementText(fieldParams, ecdsaNS, "K3", 1);
+ k3 = Integer.parseInt(k3Str);
+ }
+ else throw new Exception("Unknown field parameters.");
+
+ // Curve parameters
+ Element aElem = getChildElement(curveParams, ecdsaNS, "A", 1);
+ String aStr = aElem.getAttributeNS(null, "Value");
+ Element bElem = getChildElement(curveParams, ecdsaNS, "B", 1);
+ String bStr = bElem.getAttributeNS(null, "Value");
+ String seedStr = getChildElementText(curveParams, ecdsaNS, "Seed", 1);
+ BigInteger seed = (seedStr != null) ? new BigInteger(seedStr, 10) : null;
+
+ // Base point parameters
+ Element basePoint = getChildElement(basePointParams, ecdsaNS, "BasePoint", 1);
+ Element basePointXElem = getChildElement(basePoint, ecdsaNS, "X", 1);
+ String basePointXStr = basePointXElem.getAttributeNS(null, "Value");
+ Element basePointYElem = getChildElement(basePoint, ecdsaNS, "Y", 1);
+ String basePointYStr = basePointYElem.getAttributeNS(null, "Value");
+ String orderStr = getChildElementText(basePointParams, ecdsaNS, "Order", 1);
+ BigInteger order = new BigInteger(orderStr, 10);
+ String cofactorStr = getChildElementText(basePointParams, ecdsaNS, "Cofactor", 1);
+ BigInteger cofactor = (cofactorStr != null) ? new BigInteger(cofactorStr, 10) : null;
+
+ if (fieldParamsType == FIELD_TYPE_PRIME)
+ {
+ BigInteger a = new BigInteger(aStr, 10);
+ BigInteger b = new BigInteger(bStr, 10);
+ BigInteger basePointX = new BigInteger(basePointXStr, 10);
+ BigInteger basePointY = new BigInteger(basePointYStr, 10);
+ eccParameterSpec = new ECCParameterSpec(p, cofactor, order, seed, null, a, b, basePointX,
+ basePointY, null);
+ }
+ else
+ {
+ int[] irreducible = new int[m/32 + ((m % 32 != 0) ? 1 : 0)];
+ if (fieldParamsType == FIELD_TYPE_TNB)
+ {
+ irreducible[m/32] = 1 << m % 32;
+ irreducible[k/32] += 1 << k % 32;
+ irreducible[0] += 1;
+ }
+ else
+ {
+ irreducible[m/32] = 1 << m % 32;
+ irreducible[k3/32] += 1 << k3 % 32;
+ irreducible[k2/32] += 1 << k2 % 32;
+ irreducible[k1/32] += 1 << k1 % 32;
+ irreducible[0] += 1;
+ }
+ eccParameterSpec = new ECCParameterSpec(irreducible, cofactor, order, octetString2IntArray(aStr),
+ octetString2IntArray(bStr), octetString2IntArray(basePointXStr),
+ octetString2IntArray(basePointYStr), null);
+ }
+ }
+
+ // Public key
+ Element publicKeyElem = getChildElement(keyValueElem, ecdsaNS, "PublicKey", 1);
+ Element publicKeyXElem = getChildElement(publicKeyElem, ecdsaNS, "X", 1);
+ String publicKeyXStr = publicKeyXElem.getAttributeNS(null, "Value");
+ Element publicKeyYElem = getChildElement(publicKeyElem, ecdsaNS, "Y", 1);
+ String publicKeyYStr = publicKeyYElem.getAttributeNS(null, "Value");
+
+ ECDSAParameter ecdsaParams = new ECDSAParameter(eccParameterSpec, CoordinateTypes.PROJECTIVE_COORDINATES);
+ ECGroupFactory ecGroupFactory = ECGroupFactory.getInstance();
+ EllipticCurve eCurve = ecGroupFactory.getCurve(eccParameterSpec.getA(),
+ eccParameterSpec.getB(), eccParameterSpec.getR(), CoordinateTypes.PROJECTIVE_COORDINATES);
+ Field field = eCurve.getField();
+
+ // Detect type of public key field elements
+ String elementType = publicKeyXElem.getAttributeNS(ECDSAConstants.NAMESPACE_XSI_, "type");
+ String elementTypeLocalName = elementType.substring(elementType.indexOf(':') + 1);
+ int FIELD_TYPE_PRIME = 1, FIELD_TYPE_CHAR_TWO = 2;
+ int fieldElemType = ("PrimeFieldElemType".equals(elementTypeLocalName))
+ ? FIELD_TYPE_PRIME
+ : FIELD_TYPE_CHAR_TWO;
+
+ FieldElement publicKeyPointX, publicKeyPointY;
+ if (fieldElemType == FIELD_TYPE_PRIME)
+ {
+
+// Value xValue = FieldFactory.getInstance().getPrimeFieldValue(new BigInteger(publicKeyXStr, 10));
+// publicKeyPointX = field.newElement(xValue);
+ PrimeField pf = (PrimeField) field;
+ publicKeyPointX = pf.newElement(new BigInteger(publicKeyXStr, 10));
+// Value yValue = FieldFactory.getInstance().getPrimeFieldValue(new BigInteger(publicKeyYStr, 10));
+// publicKeyPointY = field.newElement(yValue);
+ publicKeyPointY = pf.newElement(new BigInteger(publicKeyYStr, 10));
+ }
+ else
+ {
+ publicKeyPointX = field.newElement(octetString2ByteArray(publicKeyXStr));
+ publicKeyPointY = field.newElement(octetString2ByteArray(publicKeyYStr));
+ }
+// ProjectiveCoordinate publicKeyPointCoordinate = new ProjectiveCoordinate(publicKeyPointX,
+// publicKeyPointY, field.getONEelement());
+ Coordinate publicKeyPointCoordinate = new AffineCoordinate(publicKeyPointX,
+ publicKeyPointY).toProjective();
+ ECPoint publicKeyPoint = eCurve.newPoint(publicKeyPointCoordinate);
+ ECPublicKey publicKey = new ECPublicKey(ecdsaParams, publicKeyPoint);
+
+ return publicKey;
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ /*
+ public static Element publicKey2ECDSAKeyValueElement(boolean implParams, String curveOID,
+ ECDSAPublicKey publicKey, Document factoryDoc)
+ {
+ String ecdsaNS = ECDSAConstants.NAMESPACE_ECDSAKEYVALUE_;
+ String ecdsaNSP = ECDSAConstants.NS_PREFIX_ECDSAKEYVALUE_;
+ String nsNS = ECDSAConstants.NAMESPACE_NAMESPACES_;
+ String xsiNS = ECDSAConstants.NAMESPACE_XSI_;
+ String xsiNSP = ECDSAConstants.NS_PREFIX_XSI_;
+
+ ECDSAParameter params = (ECDSAParameter)publicKey.getParameter();
+ EllipticCurve curve = params.getG().getCurve();
+ Field field = curve.getField();
+ int fieldId = curve.getField().getFieldId();
+
+ Element eCDSAKeyValue = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":ECDSAKeyValue");
+ eCDSAKeyValue.setAttributeNS(nsNS, "xmlns:" + ecdsaNSP, ecdsaNS);
+ eCDSAKeyValue.setAttributeNS(nsNS, "xmlns:" + xsiNSP, xsiNS);
+
+ // Detect field type
+ int coeffPositions[] = new int[3];
+ int fieldType = 0;
+ String fieldElemTypeString = null;
+ final int FT_PRIME = 1, FT_TNB = 2, FT_PNB = 3;
+ if (fieldId == Field.PRIME_FIELD)
+ {
+ fieldType = FT_PRIME;
+ fieldElemTypeString = ecdsaNSP + ":PrimeFieldElemType";
+ }
+ else
+ {
+ // Get irreducible polynomal
+ BinaryField binaryField = (BinaryField)field;
+ BinaryFieldValue irreducible = binaryField.getIrreducible();
+
+ // Get coefficients of irreducible polynomal
+ int order = irreducible.getOrder();
+ int coeffCount = 2;
+ for (int i = 1; i < order - 1; i++)
+ {
+ if (irreducible.testBit(i))
+ {
+ coeffPositions[coeffCount - 2] = i;
+ coeffCount++;
+ if (coeffCount == 5) break;
+ }
+ }
+
+ // Set polynomal type (TNB or
+ fieldType = (coeffCount == 3) ? FT_TNB : FT_PNB;
+ fieldElemTypeString = ecdsaNSP + ":CharTwoFieldElemType";
+ }
+
+ if (!implParams)
+ {
+ Element domainParameters = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":DomainParameters");
+ eCDSAKeyValue.appendChild(factoryDoc.createTextNode("\n "));
+ eCDSAKeyValue.appendChild(domainParameters);
+
+ if (curveOID != null)
+ {
+ // Named curve
+ Element namedCurve = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":NamedCurve");
+ namedCurve.setAttributeNS(null, "URN", "urn:oid:" + curveOID);
+ domainParameters.appendChild(factoryDoc.createTextNode("\n "));
+ domainParameters.appendChild(namedCurve);
+ domainParameters.appendChild(factoryDoc.createTextNode("\n "));
+ }
+ else
+ {
+ // Explicit parameters
+ Element explicitParams = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":ExplicitParams");
+
+ // Field parameters
+ Element fieldParams = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":FieldParams");
+ explicitParams.appendChild(factoryDoc.createTextNode("\n "));
+ explicitParams.appendChild(fieldParams);
+
+ if (fieldType == FT_PRIME)
+ {
+ fieldParams.setAttributeNS(xsiNS, xsiNSP + ":type", ecdsaNSP + ":PrimeFieldParamsType");
+ Element p = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":P");
+ p.appendChild(factoryDoc.createTextNode(curve.getField().getSize().toString(10)));
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ fieldParams.appendChild(p);
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ }
+ else if (fieldType == FT_TNB)
+ {
+ fieldParams.setAttributeNS(xsiNS, xsiNSP + ":type", ecdsaNSP + ":TnBFieldParamsType");
+ Element m = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":M");
+ m.appendChild(factoryDoc.createTextNode(Integer.toString(curve.getField().getOrder())));
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ fieldParams.appendChild(m);
+
+ Element k = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":K");
+ k.appendChild(factoryDoc.createTextNode(Integer.toString(coeffPositions[0], 10)));
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ fieldParams.appendChild(k);
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ }
+ else
+ {
+ fieldParams.setAttributeNS(xsiNS, xsiNSP + ":type", ecdsaNSP + ":PnBFieldParamsType");
+ Element m = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":M");
+ m.appendChild(factoryDoc.createTextNode(Integer.toString(curve.getField().getOrder())));
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ fieldParams.appendChild(m);
+
+ Element k1 = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":K1");
+ k1.appendChild(factoryDoc.createTextNode(Integer.toString(coeffPositions[0])));
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ fieldParams.appendChild(k1);
+
+ Element k2 = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":K2");
+ k2.appendChild(factoryDoc.createTextNode(Integer.toString(coeffPositions[1])));
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ fieldParams.appendChild(k2);
+
+ Element k3 = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":K3");
+ k3.appendChild(factoryDoc.createTextNode(Integer.toString(coeffPositions[2])));
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ fieldParams.appendChild(k3);
+ fieldParams.appendChild(factoryDoc.createTextNode("\n "));
+ }
+
+ // Curve parameters
+ Element curveParams = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":CurveParams");
+ explicitParams.appendChild(factoryDoc.createTextNode("\n "));
+ explicitParams.appendChild(curveParams);
+
+ Element a = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":A");
+ a.setAttributeNS(xsiNS, xsiNSP + ":type", fieldElemTypeString);
+ a.setAttributeNS(null, "Value",
+ (fieldId == Field.PRIME_FIELD)
+ ? curve.getA().getValue().toBigInt().toString(10)
+ : evenStringLength(curve.getA().getValue().toBigInt().toString(16)));
+ curveParams.appendChild(factoryDoc.createTextNode("\n "));
+ curveParams.appendChild(a);
+
+ Element b = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":B");
+ b.setAttributeNS(xsiNS, xsiNSP + ":type", fieldElemTypeString);
+ b.setAttributeNS(null, "Value",
+ (fieldId == Field.PRIME_FIELD)
+ ? curve.getB().getValue().toBigInt().toString(10)
+ : evenStringLength(curve.getB().getValue().toBigInt().toString(16)));
+ curveParams.appendChild(factoryDoc.createTextNode("\n "));
+ curveParams.appendChild(b);
+
+ if (params.getS() != null)
+ {
+ Element seed = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":Seed");
+ seed.appendChild(factoryDoc.createTextNode(evenStringLength(params.getS().toString(16))));
+ curveParams.appendChild(factoryDoc.createTextNode("\n "));
+ curveParams.appendChild(seed);
+ }
+
+ curveParams.appendChild(factoryDoc.createTextNode("\n "));
+
+ // Base point params
+ Element basePointParams = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":BasePointParams");
+ explicitParams.appendChild(factoryDoc.createTextNode("\n "));
+ explicitParams.appendChild(basePointParams);
+
+ Element basePoint = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":BasePoint");
+ basePointParams.appendChild(factoryDoc.createTextNode("\n "));
+ basePointParams.appendChild(basePoint);
+
+ Element x = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":X");
+ x.setAttributeNS(xsiNS, xsiNSP + ":type", fieldElemTypeString);
+ x.setAttributeNS(null, "Value",
+ (fieldId == Field.PRIME_FIELD)
+ ? params.getG().getCoordinates().getX().getValue().toBigInt().toString(10)
+ : evenStringLength(params.getG().getCoordinates().getX().getValue().toBigInt().toString(16)));
+ basePoint.appendChild(factoryDoc.createTextNode("\n "));
+ basePoint.appendChild(x);
+
+ Element y = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":Y");
+ y.setAttributeNS(xsiNS, xsiNSP + ":type", fieldElemTypeString);
+ y.setAttributeNS(null, "Value",
+ (fieldId == Field.PRIME_FIELD)
+ ? params.getG().getCoordinates().getY().getValue().toBigInt().toString(10)
+ : evenStringLength(params.getG().getCoordinates().getY().getValue().toBigInt().toString(16)));
+ basePoint.appendChild(factoryDoc.createTextNode("\n "));
+ basePoint.appendChild(y);
+ basePoint.appendChild(factoryDoc.createTextNode("\n "));
+
+ Element order = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":Order");
+ order.appendChild(factoryDoc.createTextNode(params.getR().toString(10)));
+ basePointParams.appendChild(factoryDoc.createTextNode("\n "));
+ basePointParams.appendChild(order);
+
+ if (params.getK() != null)
+ {
+ Element cofactor = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":Cofactor");
+ cofactor.appendChild(factoryDoc.createTextNode(params.getK().toString(10)));
+ basePointParams.appendChild(factoryDoc.createTextNode("\n "));
+ basePointParams.appendChild(cofactor);
+ }
+
+ basePointParams.appendChild(factoryDoc.createTextNode("\n "));
+ explicitParams.appendChild(factoryDoc.createTextNode("\n "));
+
+ domainParameters.appendChild(factoryDoc.createTextNode("\n "));
+ domainParameters.appendChild(explicitParams);
+ domainParameters.appendChild(factoryDoc.createTextNode("\n "));
+ }
+ }
+
+ // Public key point
+ Element publicKeyPoint = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":PublicKey");
+
+ Element publicKeyX = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":X");
+ publicKeyX.setAttributeNS(xsiNS, xsiNSP + ":type", fieldElemTypeString);
+ publicKeyX.setAttributeNS(null, "Value",
+ (fieldId == Field.PRIME_FIELD)
+ ? publicKey.getW().getCoordinates().getX().getValue().toBigInt().toString(10)
+ : evenStringLength(publicKey.getW().getCoordinates().getX().getValue().toBigInt().toString(16)));
+ publicKeyPoint.appendChild(factoryDoc.createTextNode("\n "));
+ publicKeyPoint.appendChild(publicKeyX);
+
+ Element publicKeyY = factoryDoc.createElementNS(ecdsaNS, ecdsaNSP + ":Y");
+ publicKeyY.setAttributeNS(xsiNS, xsiNSP + ":type", fieldElemTypeString);
+ publicKeyY.setAttributeNS(null, "Value",
+ (fieldId == Field.PRIME_FIELD)
+ ? publicKey.getW().getCoordinates().getY().getValue().toBigInt().toString(10)
+ : evenStringLength(publicKey.getW().getCoordinates().getY().getValue().toBigInt().toString(16)));
+ publicKeyPoint.appendChild(factoryDoc.createTextNode("\n "));
+ publicKeyPoint.appendChild(publicKeyY);
+ publicKeyPoint.appendChild(factoryDoc.createTextNode("\n "));
+
+ eCDSAKeyValue.appendChild(factoryDoc.createTextNode("\n "));
+ eCDSAKeyValue.appendChild(publicKeyPoint);
+ eCDSAKeyValue.appendChild(factoryDoc.createTextNode("\n "));
+
+ return eCDSAKeyValue;
+ }
+ */
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ private static String getECDSANSPrefix(Element element)
+ {
+ // FIXXME: Review this function (GK, 11.06.2002) - should return a list of strings, since more than
+ // one NS prefix can be bound to the ECDSA namespace
+
+ HashMap inScopeNSAttrs = getInScopeNSAttrs(element);
+ Iterator inScopeNSAttrsIt = inScopeNSAttrs.keySet().iterator();
+ while (inScopeNSAttrsIt.hasNext())
+ {
+ Attr currentAttr = (Attr)inScopeNSAttrs.get(inScopeNSAttrsIt.next());
+ if (ECDSAConstants.NAMESPACE_ECDSAKEYVALUE_.equals(currentAttr.getValue()))
+ {
+ return ("xmlns".equals(currentAttr.getNodeName())) ? "" : currentAttr.getNodeName().substring(6);
+ }
+ }
+ return null;
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ // Converts an octet string representation into an int array as needed for the IAIK ECC library
+ // String: rightmost byte is least significant byte
+ // IntArray: rightmost byte is LEAST significant byte
+ private static int[] octetString2IntArray(String octetString)
+ {
+ int byteCount = octetString.length()/2;
+ int[] intArray = new int[byteCount/4 + ((byteCount % 4 != 0) ? 1 : 0)];
+ for (int i = 0; i < byteCount; i++)
+ {
+ int oSStartPos = octetString.length() - (i + 1) * 2;
+ int currentByte = Integer.parseInt(octetString.substring(oSStartPos, oSStartPos + 2), 16);
+ intArray[i/4] += (currentByte & 0xFF) << ((i % 4) * 8);
+ }
+ return intArray;
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ // Converts an octet string representation into a byte array as needed for the IAIK ECC library
+ // String: rightmost byte is least significant byte
+ // ByteArray: rightmost byte is MOST significant byte
+ private static byte[] octetString2ByteArray(String octetString)
+ {
+ int byteCount = octetString.length()/2;
+ byte[] byteArray = new byte[byteCount];
+ for (int i = 0; i < byteCount; i++)
+ {
+ int oSStartPos = octetString.length() - (i + 1) * 2;
+ byteArray[byteCount - i - 1] = (byte) Integer.parseInt(octetString.substring(
+ oSStartPos, oSStartPos + 2), 16);
+ }
+ return byteArray;
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ private static String evenStringLength(String hexString)
+ {
+ return (hexString.length() % 2 != 0) ? "0" + hexString : hexString;
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ private static Element getChildElement(Element parent, String namespace, String localName,
+ int instance)
+ {
+ NodeList namedElements = parent.getElementsByTagNameNS(namespace, localName);
+ if (namedElements.getLength() < instance) return null;
+ return (Element)namedElements.item(instance - 1);
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ private static String getChildElementText(Element parent, String namespace, String localName,
+ int instance)
+ {
+ Element child = getChildElement(parent, namespace, localName, instance);
+ if (child == null) return null;
+ NodeList childNodes = child.getChildNodes();
+ int nodeCount = 0;
+ while (nodeCount < childNodes.getLength())
+ {
+ Node currentNode = childNodes.item(nodeCount);
+ if (currentNode.getNodeType() == Node.TEXT_NODE) return currentNode.getNodeValue();
+ nodeCount++;
+ }
+ return null;
+ }
+
+ /* ---------------------------------------------------------------------------------------------------- */
+
+ public static HashMap getInScopeNSAttrs(Element element)
+ {
+ // Get all ancestors of element
+ Vector ancestors = new Vector();
+ ancestors.add(element);
+ Node currentAncestor = element;
+ while ((currentAncestor = currentAncestor.getParentNode()) != null &&
+ currentAncestor.getNodeType() == Node.ELEMENT_NODE)
+ {
+ ancestors.add(currentAncestor);
+ }
+
+ // Scan all ancestors for NS attributes
+ HashMap inScopeNSAttrs = new HashMap();
+ for (int i = ancestors.size() - 1; i >= 0; i--)
+ {
+ Element currentAncestorElem = (Element)ancestors.get(i);
+ NamedNodeMap attrs = currentAncestorElem.getAttributes();
+ for (int j = 0; j < attrs.getLength(); j++)
+ {
+ Attr currentAttr = (Attr)attrs.item(j);
+ String currentAttrName = currentAttr.getNodeName();
+ if ("xmlns".equals(currentAttrName) || currentAttrName.startsWith("xmlns:"))
+ {
+ inScopeNSAttrs.put(currentAttrName, currentAttr);
+ }
+ }
+ }
+
+ // Check if default NS attribute is in list; if value is empty remove it from list
+ Attr defaultNSAttr = (Attr)inScopeNSAttrs.get("xmlns");
+ if (defaultNSAttr != null && "".equals(defaultNSAttr.getValue())) inScopeNSAttrs.remove("xmlns");
+
+ return inScopeNSAttrs;
+ }
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:09:20 +0000