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authorTobias Kellner <tobias.kellner@iaik.tugraz.at>2015-10-15 23:11:01 (GMT)
committerTobias Kellner <tobias.kellner@iaik.tugraz.at>2015-10-20 15:27:43 (GMT)
commit300c3452d7e93cd42c0626310790a6df7c81b846 (patch)
treeea0e67fdb84642c01ff5ca56f460d35b753d464c /utils/src
parente2e362adebee3f8e1e83424877dab81e447a34ca (diff)
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LFs removed
Diffstat (limited to 'utils/src')
-rw-r--r--utils/src/main/java/at/gv/egiz/xmldsig/KeyValueFactory.java536
1 files changed, 268 insertions, 268 deletions
diff --git a/utils/src/main/java/at/gv/egiz/xmldsig/KeyValueFactory.java b/utils/src/main/java/at/gv/egiz/xmldsig/KeyValueFactory.java
index 4d5b35d..6377bf9 100644
--- a/utils/src/main/java/at/gv/egiz/xmldsig/KeyValueFactory.java
+++ b/utils/src/main/java/at/gv/egiz/xmldsig/KeyValueFactory.java
@@ -1,268 +1,268 @@
-/*
- * Copyright 2011 by Graz University of Technology, Austria
- * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
- * initiative of the Federal Chancellery Austria and Graz University of Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-
-
-package at.gv.egiz.xmldsig;
-
-import iaik.security.ec.errorhandling.InvalidCurveParameterSpecException;
-
-import java.math.BigInteger;
-import java.security.InvalidKeyException;
-import java.security.PublicKey;
-import java.security.interfaces.DSAParams;
-import java.security.interfaces.DSAPublicKey;
-import java.security.interfaces.ECPublicKey;
-import java.security.interfaces.RSAPublicKey;
-import java.security.spec.ECField;
-import java.security.spec.ECFieldF2m;
-import java.security.spec.ECFieldFp;
-import java.security.spec.ECParameterSpec;
-import java.security.spec.ECPoint;
-import java.security.spec.EllipticCurve;
-
-import javax.xml.bind.JAXBElement;
-
-import org.w3._2000._09.xmldsig_.DSAKeyValueType;
-import org.w3._2000._09.xmldsig_.RSAKeyValueType;
-import org.w3._2001._04.xmldsig_more_.BasePointParamsType;
-import org.w3._2001._04.xmldsig_more_.CharTwoFieldElemType;
-import org.w3._2001._04.xmldsig_more_.CurveParamsType;
-import org.w3._2001._04.xmldsig_more_.DomainParamsType;
-import org.w3._2001._04.xmldsig_more_.ECDSAKeyValueType;
-import org.w3._2001._04.xmldsig_more_.ECPointType;
-import org.w3._2001._04.xmldsig_more_.ExplicitParamsType;
-import org.w3._2001._04.xmldsig_more_.FieldElemType;
-import org.w3._2001._04.xmldsig_more_.FieldParamsType;
-import org.w3._2001._04.xmldsig_more_.PnBFieldParamsType;
-import org.w3._2001._04.xmldsig_more_.PrimeFieldElemType;
-import org.w3._2001._04.xmldsig_more_.PrimeFieldParamsType;
-import org.w3._2001._04.xmldsig_more_.TnBFieldParamsType;
-import org.w3._2001._04.xmldsig_more_.DomainParamsType.NamedCurve;
-
-public class KeyValueFactory {
-
- private static byte[] bigInteger2byteArray(BigInteger bigPositiveInt) {
- if (bigPositiveInt == null)
- throw new NullPointerException("Argument 'bigPositiveInt' must not be null");
- if (bigPositiveInt.signum() != 1)
- throw new IllegalArgumentException("Argument 'bigPositiveInt' must not be negative");
-
- byte[] byteRepresentation = bigPositiveInt.toByteArray();
- if (byteRepresentation[0] == 0) {
- byte[] oldByteRepresentation = byteRepresentation;
- byteRepresentation = new byte[oldByteRepresentation.length - 1];
- System.arraycopy(oldByteRepresentation, 1, byteRepresentation, 0, oldByteRepresentation.length - 1);
- }
- return byteRepresentation;
- }
-
- org.w3._2001._04.xmldsig_more_.ObjectFactory ecFactory = new org.w3._2001._04.xmldsig_more_.ObjectFactory();
-
- org.w3._2000._09.xmldsig_.ObjectFactory dsFactory = new org.w3._2000._09.xmldsig_.ObjectFactory();
-
- public JAXBElement<?> createKeyValue(PublicKey publicKey) throws KeyTypeNotSupportedException {
-
- if (publicKey instanceof RSAPublicKey) {
- RSAKeyValueType keyValueType = createRSAKeyValueType((RSAPublicKey) publicKey);
- return dsFactory.createRSAKeyValue(keyValueType);
- } else if (publicKey instanceof DSAPublicKey) {
- DSAKeyValueType keyValueType = createKeyValueType((DSAPublicKey) publicKey);
- return dsFactory.createDSAKeyValue(keyValueType);
- } else if (publicKey instanceof ECPublicKey) {
- ECDSAKeyValueType keyValueType = createKeyValueType((ECPublicKey) publicKey);
- return ecFactory.createECDSAKeyValue(keyValueType);
- } else if ("EC".equals(publicKey.getAlgorithm())) {
- byte[] encoded = publicKey.getEncoded();
- try {
- ECPublicKey key = new iaik.security.ec.common.ECPublicKey(encoded);
- ECDSAKeyValueType keyValueType = createKeyValueType(key);
- return ecFactory.createECDSAKeyValue(keyValueType);
- } catch (InvalidKeyException e) {
- throw new KeyTypeNotSupportedException("Public key of type "
- + publicKey.getAlgorithm() + " (" + publicKey.getClass()
- + ") not supported.");
- }
- } else {
- throw new KeyTypeNotSupportedException("Public key of type "
- + publicKey.getAlgorithm() + " (" + publicKey.getClass()
- + ") not supported.");
- }
-
- }
-
- public RSAKeyValueType createRSAKeyValueType(RSAPublicKey publicKey) {
-
- RSAKeyValueType keyValueType = dsFactory.createRSAKeyValueType();
- keyValueType.setExponent(bigInteger2byteArray(publicKey.getPublicExponent()));
- keyValueType.setModulus(bigInteger2byteArray(publicKey.getModulus()));
-
- return keyValueType;
- }
-
- public DSAKeyValueType createKeyValueType(DSAPublicKey publicKey) {
-
- DSAKeyValueType keyValueType = dsFactory.createDSAKeyValueType();
-
- if (publicKey.getParams() != null) {
- // P, Q, G
- DSAParams params = publicKey.getParams();
- if (params.getP() != null && params.getQ() != null) {
- keyValueType.setP(bigInteger2byteArray(params.getP()));
- keyValueType.setQ(bigInteger2byteArray(params.getQ()));
- }
- if (params.getG() != null) {
- keyValueType.setG(bigInteger2byteArray(params.getG()));
- }
- }
- //
- keyValueType.setY(bigInteger2byteArray(publicKey.getY()));
-
- return keyValueType;
- }
-
- public ECDSAKeyValueType createKeyValueType(ECPublicKey publicKey) throws KeyTypeNotSupportedException {
-
- ECDSAKeyValueType keyValueType = ecFactory.createECDSAKeyValueType();
-
- ECParameterSpec params = publicKey.getParams();
- if (params != null) {
- keyValueType.setDomainParameters(createDomainParamsType(params));
- }
-
- if (!publicKey.getW().equals(java.security.spec.ECPoint.POINT_INFINITY)) {
- keyValueType.setPublicKey(createPointType(publicKey.getW(), params.getCurve().getField()));
- }
-
- return keyValueType;
- }
-
- public ECPointType createPointType(ECPoint point, ECField field) throws KeyTypeNotSupportedException {
- ECPointType pointType = ecFactory.createECPointType();
- pointType.setX(createFieldElemType(point.getAffineX(), field));
- pointType.setY(createFieldElemType(point.getAffineY(), field));
- return pointType;
- }
-
- public FieldElemType createFieldElemType(BigInteger point, ECField field) throws KeyTypeNotSupportedException {
- if (field instanceof ECFieldFp) {
- PrimeFieldElemType fieldElemType = ecFactory.createPrimeFieldElemType();
- fieldElemType.setValue(point);
- return fieldElemType;
- } else if (field instanceof ECFieldF2m) {
- CharTwoFieldElemType fieldElemType = ecFactory.createCharTwoFieldElemType();
- fieldElemType.setValue(bigInteger2byteArray(point));
- return fieldElemType;
- } else {
- throw new KeyTypeNotSupportedException("Field element type not supported.");
- }
- }
-
- public FieldParamsType createFieldParamsType(ECField field) throws KeyTypeNotSupportedException {
-
- if (field instanceof ECFieldFp) {
- // PrimeFieldParamsType
- PrimeFieldParamsType primeFieldParamsType = ecFactory.createPrimeFieldParamsType();
- primeFieldParamsType.setP(((ECFieldFp) field).getP());
- return primeFieldParamsType;
- } else if (field instanceof ECFieldF2m) {
- // CharTwoFieldParamsType
- ECFieldF2m fieldf2m = (ECFieldF2m) field;
- int[] ks = fieldf2m.getMidTermsOfReductionPolynomial();
-
- // detect if trinomial or pentanomial base is present...
- switch (ks.length) {
- case 1:
- // trinomial base
- TnBFieldParamsType tnBFieldParamsType = ecFactory.createTnBFieldParamsType();
- tnBFieldParamsType.setM(BigInteger.valueOf(fieldf2m.getM()));
- tnBFieldParamsType.setK(BigInteger.valueOf(ks[0]));
- return tnBFieldParamsType;
-
- case 3:
- // pentanomial base
- PnBFieldParamsType pnBFieldParamsType = ecFactory.createPnBFieldParamsType();
- pnBFieldParamsType.setM(BigInteger.valueOf(fieldf2m.getM()));
- pnBFieldParamsType.setK1(BigInteger.valueOf(ks[0]));
- pnBFieldParamsType.setK2(BigInteger.valueOf(ks[1]));
- pnBFieldParamsType.setK3(BigInteger.valueOf(ks[2]));
- return pnBFieldParamsType;
-
- default:
- throw new KeyTypeNotSupportedException("Only trinomial and pentanomial base is supported.");
- }
-
- } else {
- throw new KeyTypeNotSupportedException("Field element type not supported.");
- }
-
- }
-
- public DomainParamsType createDomainParamsType(ECParameterSpec params) throws KeyTypeNotSupportedException {
- iaik.security.ec.common.ECParameterSpec params2;
- try {
- params2 = iaik.security.ec.common.ECParameterSpec.getParameterSpec(params);
- } catch (InvalidCurveParameterSpecException e) {
- throw new KeyTypeNotSupportedException(e);
- }
- DomainParamsType domainParamsType = ecFactory.createDomainParamsType();
- EllipticCurve curve = params.getCurve();
-
- String oid = params2.getOID();
- if (oid != null) {
- // NamedCurve
- NamedCurve namedCurve = ecFactory.createDomainParamsTypeNamedCurve();
- namedCurve.setURN("urn:oid:" + oid);
- domainParamsType.setNamedCurve(namedCurve);
- } else {
- // Explicit parameters
- ExplicitParamsType explicitParamsType = ecFactory.createExplicitParamsType();
- explicitParamsType.setFieldParams(createFieldParamsType(curve.getField()));
-
- CurveParamsType curveParamsType = ecFactory.createCurveParamsType();
- ECField field = params.getCurve().getField();
-
- // curve coefficients
- curveParamsType.setA(createFieldElemType(curve.getA(), field));
- curveParamsType.setB(createFieldElemType(curve.getB(), field));
-
- // seed
- if (curve.getSeed() != null)
- curveParamsType.setSeed(curve.getSeed());
- explicitParamsType.setCurveParams(curveParamsType);
-
- // BasePoint parameters
- BasePointParamsType basePointParamsType = ecFactory.createBasePointParamsType();
- if (!params.getGenerator().equals(ECPoint.POINT_INFINITY)) {
- basePointParamsType.setBasePoint(createPointType(params.getGenerator(), field));
- }
- basePointParamsType.setOrder(params.getOrder());
- basePointParamsType.setCofactor(BigInteger.valueOf(params.getCofactor()));
- explicitParamsType.setBasePointParams(basePointParamsType);
- domainParamsType.setExplicitParams(explicitParamsType);
- }
-
- return domainParamsType;
-
- }
-
-}
+/*
+ * Copyright 2011 by Graz University of Technology, Austria
+ * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
+ * initiative of the Federal Chancellery Austria and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+
+package at.gv.egiz.xmldsig;
+
+import iaik.security.ec.errorhandling.InvalidCurveParameterSpecException;
+
+import java.math.BigInteger;
+import java.security.InvalidKeyException;
+import java.security.PublicKey;
+import java.security.interfaces.DSAParams;
+import java.security.interfaces.DSAPublicKey;
+import java.security.interfaces.ECPublicKey;
+import java.security.interfaces.RSAPublicKey;
+import java.security.spec.ECField;
+import java.security.spec.ECFieldF2m;
+import java.security.spec.ECFieldFp;
+import java.security.spec.ECParameterSpec;
+import java.security.spec.ECPoint;
+import java.security.spec.EllipticCurve;
+
+import javax.xml.bind.JAXBElement;
+
+import org.w3._2000._09.xmldsig_.DSAKeyValueType;
+import org.w3._2000._09.xmldsig_.RSAKeyValueType;
+import org.w3._2001._04.xmldsig_more_.BasePointParamsType;
+import org.w3._2001._04.xmldsig_more_.CharTwoFieldElemType;
+import org.w3._2001._04.xmldsig_more_.CurveParamsType;
+import org.w3._2001._04.xmldsig_more_.DomainParamsType;
+import org.w3._2001._04.xmldsig_more_.ECDSAKeyValueType;
+import org.w3._2001._04.xmldsig_more_.ECPointType;
+import org.w3._2001._04.xmldsig_more_.ExplicitParamsType;
+import org.w3._2001._04.xmldsig_more_.FieldElemType;
+import org.w3._2001._04.xmldsig_more_.FieldParamsType;
+import org.w3._2001._04.xmldsig_more_.PnBFieldParamsType;
+import org.w3._2001._04.xmldsig_more_.PrimeFieldElemType;
+import org.w3._2001._04.xmldsig_more_.PrimeFieldParamsType;
+import org.w3._2001._04.xmldsig_more_.TnBFieldParamsType;
+import org.w3._2001._04.xmldsig_more_.DomainParamsType.NamedCurve;
+
+public class KeyValueFactory {
+
+ private static byte[] bigInteger2byteArray(BigInteger bigPositiveInt) {
+ if (bigPositiveInt == null)
+ throw new NullPointerException("Argument 'bigPositiveInt' must not be null");
+ if (bigPositiveInt.signum() != 1)
+ throw new IllegalArgumentException("Argument 'bigPositiveInt' must not be negative");
+
+ byte[] byteRepresentation = bigPositiveInt.toByteArray();
+ if (byteRepresentation[0] == 0) {
+ byte[] oldByteRepresentation = byteRepresentation;
+ byteRepresentation = new byte[oldByteRepresentation.length - 1];
+ System.arraycopy(oldByteRepresentation, 1, byteRepresentation, 0, oldByteRepresentation.length - 1);
+ }
+ return byteRepresentation;
+ }
+
+ org.w3._2001._04.xmldsig_more_.ObjectFactory ecFactory = new org.w3._2001._04.xmldsig_more_.ObjectFactory();
+
+ org.w3._2000._09.xmldsig_.ObjectFactory dsFactory = new org.w3._2000._09.xmldsig_.ObjectFactory();
+
+ public JAXBElement<?> createKeyValue(PublicKey publicKey) throws KeyTypeNotSupportedException {
+
+ if (publicKey instanceof RSAPublicKey) {
+ RSAKeyValueType keyValueType = createRSAKeyValueType((RSAPublicKey) publicKey);
+ return dsFactory.createRSAKeyValue(keyValueType);
+ } else if (publicKey instanceof DSAPublicKey) {
+ DSAKeyValueType keyValueType = createKeyValueType((DSAPublicKey) publicKey);
+ return dsFactory.createDSAKeyValue(keyValueType);
+ } else if (publicKey instanceof ECPublicKey) {
+ ECDSAKeyValueType keyValueType = createKeyValueType((ECPublicKey) publicKey);
+ return ecFactory.createECDSAKeyValue(keyValueType);
+ } else if ("EC".equals(publicKey.getAlgorithm())) {
+ byte[] encoded = publicKey.getEncoded();
+ try {
+ ECPublicKey key = new iaik.security.ec.common.ECPublicKey(encoded);
+ ECDSAKeyValueType keyValueType = createKeyValueType(key);
+ return ecFactory.createECDSAKeyValue(keyValueType);
+ } catch (InvalidKeyException e) {
+ throw new KeyTypeNotSupportedException("Public key of type "
+ + publicKey.getAlgorithm() + " (" + publicKey.getClass()
+ + ") not supported.");
+ }
+ } else {
+ throw new KeyTypeNotSupportedException("Public key of type "
+ + publicKey.getAlgorithm() + " (" + publicKey.getClass()
+ + ") not supported.");
+ }
+
+ }
+
+ public RSAKeyValueType createRSAKeyValueType(RSAPublicKey publicKey) {
+
+ RSAKeyValueType keyValueType = dsFactory.createRSAKeyValueType();
+ keyValueType.setExponent(bigInteger2byteArray(publicKey.getPublicExponent()));
+ keyValueType.setModulus(bigInteger2byteArray(publicKey.getModulus()));
+
+ return keyValueType;
+ }
+
+ public DSAKeyValueType createKeyValueType(DSAPublicKey publicKey) {
+
+ DSAKeyValueType keyValueType = dsFactory.createDSAKeyValueType();
+
+ if (publicKey.getParams() != null) {
+ // P, Q, G
+ DSAParams params = publicKey.getParams();
+ if (params.getP() != null && params.getQ() != null) {
+ keyValueType.setP(bigInteger2byteArray(params.getP()));
+ keyValueType.setQ(bigInteger2byteArray(params.getQ()));
+ }
+ if (params.getG() != null) {
+ keyValueType.setG(bigInteger2byteArray(params.getG()));
+ }
+ }
+ //
+ keyValueType.setY(bigInteger2byteArray(publicKey.getY()));
+
+ return keyValueType;
+ }
+
+ public ECDSAKeyValueType createKeyValueType(ECPublicKey publicKey) throws KeyTypeNotSupportedException {
+
+ ECDSAKeyValueType keyValueType = ecFactory.createECDSAKeyValueType();
+
+ ECParameterSpec params = publicKey.getParams();
+ if (params != null) {
+ keyValueType.setDomainParameters(createDomainParamsType(params));
+ }
+
+ if (!publicKey.getW().equals(java.security.spec.ECPoint.POINT_INFINITY)) {
+ keyValueType.setPublicKey(createPointType(publicKey.getW(), params.getCurve().getField()));
+ }
+
+ return keyValueType;
+ }
+
+ public ECPointType createPointType(ECPoint point, ECField field) throws KeyTypeNotSupportedException {
+ ECPointType pointType = ecFactory.createECPointType();
+ pointType.setX(createFieldElemType(point.getAffineX(), field));
+ pointType.setY(createFieldElemType(point.getAffineY(), field));
+ return pointType;
+ }
+
+ public FieldElemType createFieldElemType(BigInteger point, ECField field) throws KeyTypeNotSupportedException {
+ if (field instanceof ECFieldFp) {
+ PrimeFieldElemType fieldElemType = ecFactory.createPrimeFieldElemType();
+ fieldElemType.setValue(point);
+ return fieldElemType;
+ } else if (field instanceof ECFieldF2m) {
+ CharTwoFieldElemType fieldElemType = ecFactory.createCharTwoFieldElemType();
+ fieldElemType.setValue(bigInteger2byteArray(point));
+ return fieldElemType;
+ } else {
+ throw new KeyTypeNotSupportedException("Field element type not supported.");
+ }
+ }
+
+ public FieldParamsType createFieldParamsType(ECField field) throws KeyTypeNotSupportedException {
+
+ if (field instanceof ECFieldFp) {
+ // PrimeFieldParamsType
+ PrimeFieldParamsType primeFieldParamsType = ecFactory.createPrimeFieldParamsType();
+ primeFieldParamsType.setP(((ECFieldFp) field).getP());
+ return primeFieldParamsType;
+ } else if (field instanceof ECFieldF2m) {
+ // CharTwoFieldParamsType
+ ECFieldF2m fieldf2m = (ECFieldF2m) field;
+ int[] ks = fieldf2m.getMidTermsOfReductionPolynomial();
+
+ // detect if trinomial or pentanomial base is present...
+ switch (ks.length) {
+ case 1:
+ // trinomial base
+ TnBFieldParamsType tnBFieldParamsType = ecFactory.createTnBFieldParamsType();
+ tnBFieldParamsType.setM(BigInteger.valueOf(fieldf2m.getM()));
+ tnBFieldParamsType.setK(BigInteger.valueOf(ks[0]));
+ return tnBFieldParamsType;
+
+ case 3:
+ // pentanomial base
+ PnBFieldParamsType pnBFieldParamsType = ecFactory.createPnBFieldParamsType();
+ pnBFieldParamsType.setM(BigInteger.valueOf(fieldf2m.getM()));
+ pnBFieldParamsType.setK1(BigInteger.valueOf(ks[0]));
+ pnBFieldParamsType.setK2(BigInteger.valueOf(ks[1]));
+ pnBFieldParamsType.setK3(BigInteger.valueOf(ks[2]));
+ return pnBFieldParamsType;
+
+ default:
+ throw new KeyTypeNotSupportedException("Only trinomial and pentanomial base is supported.");
+ }
+
+ } else {
+ throw new KeyTypeNotSupportedException("Field element type not supported.");
+ }
+
+ }
+
+ public DomainParamsType createDomainParamsType(ECParameterSpec params) throws KeyTypeNotSupportedException {
+ iaik.security.ec.common.ECParameterSpec params2;
+ try {
+ params2 = iaik.security.ec.common.ECParameterSpec.getParameterSpec(params);
+ } catch (InvalidCurveParameterSpecException e) {
+ throw new KeyTypeNotSupportedException(e);
+ }
+ DomainParamsType domainParamsType = ecFactory.createDomainParamsType();
+ EllipticCurve curve = params.getCurve();
+
+ String oid = params2.getOID();
+ if (oid != null) {
+ // NamedCurve
+ NamedCurve namedCurve = ecFactory.createDomainParamsTypeNamedCurve();
+ namedCurve.setURN("urn:oid:" + oid);
+ domainParamsType.setNamedCurve(namedCurve);
+ } else {
+ // Explicit parameters
+ ExplicitParamsType explicitParamsType = ecFactory.createExplicitParamsType();
+ explicitParamsType.setFieldParams(createFieldParamsType(curve.getField()));
+
+ CurveParamsType curveParamsType = ecFactory.createCurveParamsType();
+ ECField field = params.getCurve().getField();
+
+ // curve coefficients
+ curveParamsType.setA(createFieldElemType(curve.getA(), field));
+ curveParamsType.setB(createFieldElemType(curve.getB(), field));
+
+ // seed
+ if (curve.getSeed() != null)
+ curveParamsType.setSeed(curve.getSeed());
+ explicitParamsType.setCurveParams(curveParamsType);
+
+ // BasePoint parameters
+ BasePointParamsType basePointParamsType = ecFactory.createBasePointParamsType();
+ if (!params.getGenerator().equals(ECPoint.POINT_INFINITY)) {
+ basePointParamsType.setBasePoint(createPointType(params.getGenerator(), field));
+ }
+ basePointParamsType.setOrder(params.getOrder());
+ basePointParamsType.setCofactor(BigInteger.valueOf(params.getCofactor()));
+ explicitParamsType.setBasePointParams(basePointParamsType);
+ domainParamsType.setExplicitParams(explicitParamsType);
+ }
+
+ return domainParamsType;
+
+ }
+
+}