Switch to ECCelerate

1 files changed, 86 insertions, 105 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 8c328c42..4d5b35d3 100644
--- a/utils/src/main/java/at/gv/egiz/xmldsig/KeyValueFactory.java
+++ b/utils/src/main/java/at/gv/egiz/xmldsig/KeyValueFactory.java
@@ -1,45 +1,44 @@
-/*
- * 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.
- */
-
-
+/*

+ * 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.ecc.interfaces.ECDSAParams;

-import iaik.security.ecc.interfaces.ECDSAPublicKey;

-import iaik.security.ecc.math.ecgroup.Coordinate;

-import iaik.security.ecc.math.ecgroup.ECPoint;

-import iaik.security.ecc.math.ecgroup.EllipticCurve;

-import iaik.security.ecc.math.field.BinaryField;

-import iaik.security.ecc.math.field.Field;

-import iaik.security.ecc.math.field.FieldElement;

-import iaik.security.ecc.math.field.PrimeField;

+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;

 

@@ -89,13 +88,13 @@ public class KeyValueFactory {
     } else if (publicKey instanceof DSAPublicKey) {

       DSAKeyValueType keyValueType = createKeyValueType((DSAPublicKey) publicKey);

       return dsFactory.createDSAKeyValue(keyValueType);

-    } else if (publicKey instanceof ECDSAPublicKey) {

-      ECDSAKeyValueType keyValueType = createKeyValueType((ECDSAPublicKey) publicKey);

+    } 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 {

-        iaik.security.ecc.ecdsa.ECPublicKey key = new iaik.security.ecc.ecdsa.ECPublicKey(encoded);

+        ECPublicKey key = new iaik.security.ec.common.ECPublicKey(encoded);

         ECDSAKeyValueType keyValueType = createKeyValueType(key);

         return ecFactory.createECDSAKeyValue(keyValueType);

       } catch (InvalidKeyException e) {

@@ -141,90 +140,71 @@ public class KeyValueFactory {
     return keyValueType;

   }

   

-  public ECDSAKeyValueType createKeyValueType(ECDSAPublicKey publicKey) throws KeyTypeNotSupportedException {

+  public ECDSAKeyValueType createKeyValueType(ECPublicKey publicKey) throws KeyTypeNotSupportedException {

     

     ECDSAKeyValueType keyValueType = ecFactory.createECDSAKeyValueType();

-    

-    ECDSAParams params = publicKey.getParameter();

+

+    ECParameterSpec params = publicKey.getParams();

     if (params != null) {

       keyValueType.setDomainParameters(createDomainParamsType(params));

     }

 

-    if (!publicKey.getW().isInfinity()) {

-      keyValueType.setPublicKey(createPointType(publicKey.getW()));

+    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) throws KeyTypeNotSupportedException {

+  public ECPointType createPointType(ECPoint point, ECField field) throws KeyTypeNotSupportedException {

     ECPointType pointType = ecFactory.createECPointType();

-    Coordinate affine = point.getCoordinates().toAffine();

-    pointType.setX(createFieldElemType(affine.getX()));

-    pointType.setY(createFieldElemType(affine.getY()));

+    pointType.setX(createFieldElemType(point.getAffineX(), field));

+    pointType.setY(createFieldElemType(point.getAffineY(), field));

     return pointType;

   }

   

-  public FieldElemType createFieldElemType(FieldElement fieldElement) throws KeyTypeNotSupportedException {

-    int fieldId = fieldElement.getField().getFieldId();

-    if (fieldId == PrimeField.PRIME_FIELD_ID) {

+  public FieldElemType createFieldElemType(BigInteger point, ECField field) throws KeyTypeNotSupportedException {

+    if (field instanceof ECFieldFp) {

       PrimeFieldElemType fieldElemType = ecFactory.createPrimeFieldElemType();

-      fieldElemType.setValue(fieldElement.toBigInt());

+      fieldElemType.setValue(point);

       return fieldElemType;

-    } else if (fieldId == BinaryField.BINARY_FIELD_ID) {

+    } else if (field instanceof ECFieldF2m) {

       CharTwoFieldElemType fieldElemType = ecFactory.createCharTwoFieldElemType();

-      fieldElemType.setValue(fieldElement.toByteArray());

+      fieldElemType.setValue(bigInteger2byteArray(point));

       return fieldElemType;

     } else {

-      throw new KeyTypeNotSupportedException("Field element of type " + fieldId + " not supported.");

+      throw new KeyTypeNotSupportedException("Field element type not supported.");

     }

   }

   

-  public FieldParamsType createFieldParamsType(Field field) throws KeyTypeNotSupportedException {

+  public FieldParamsType createFieldParamsType(ECField field) throws KeyTypeNotSupportedException {

     

-    if (field.getFieldId() == PrimeField.PRIME_FIELD_ID) {

+    if (field instanceof ECFieldFp) {

       // PrimeFieldParamsType

       PrimeFieldParamsType primeFieldParamsType = ecFactory.createPrimeFieldParamsType();

-      primeFieldParamsType.setP(field.getSize());

+      primeFieldParamsType.setP(((ECFieldFp) field).getP());

       return primeFieldParamsType;

-    } else if (field.getFieldId() == BinaryField.BINARY_FIELD_ID && field instanceof BinaryField) {

+    } else if (field instanceof ECFieldF2m) {

       // CharTwoFieldParamsType

-      

-      BinaryField binaryField = (BinaryField) field;

-      int[] irreduciblePolynomial = binaryField.getIrreduciblePolynomial();

+      ECFieldF2m fieldf2m = (ECFieldF2m) field;

+      int[] ks = fieldf2m.getMidTermsOfReductionPolynomial();

 

-      // The irreducible polynomial as a BinaryFieldValue

-      FieldElement irreducible = binaryField.newElement(irreduciblePolynomial);

-      

-      int order = binaryField.getOrder();

-      int[] coeffPositions = new int[3];

-      

-      // Get coefficients of irreducible polynomial

-      int coeffCount = 2;

-      for (int i = 1; i < order -1; i++) {

-        if (irreducible.testBit(i)) {

-          coeffPositions[coeffCount - 2] = i;

-          coeffCount++;

-          if (coeffCount == 5)

-            break;

-        }

-      }

       // detect if trinomial or pentanomial base is present...

-      switch (coeffCount) {

-      case 3:

+      switch (ks.length) {

+      case 1:

         // trinomial base

         TnBFieldParamsType tnBFieldParamsType = ecFactory.createTnBFieldParamsType();

-        tnBFieldParamsType.setM(BigInteger.valueOf(binaryField.getOrder()));

-        tnBFieldParamsType.setK(BigInteger.valueOf(coeffPositions[0]));

+        tnBFieldParamsType.setM(BigInteger.valueOf(fieldf2m.getM()));

+        tnBFieldParamsType.setK(BigInteger.valueOf(ks[0]));

         return tnBFieldParamsType;

 

-      case 5:

+      case 3:

         // pentanomial base

         PnBFieldParamsType pnBFieldParamsType = ecFactory.createPnBFieldParamsType();

-        pnBFieldParamsType.setM(BigInteger.valueOf(binaryField.getOrder()));

-        pnBFieldParamsType.setK1(BigInteger.valueOf(coeffPositions[0]));

-        pnBFieldParamsType.setK2(BigInteger.valueOf(coeffPositions[1]));

-        pnBFieldParamsType.setK3(BigInteger.valueOf(coeffPositions[2]));

+        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:

@@ -232,17 +212,22 @@ public class KeyValueFactory {
       }

       

     } else {

-      throw new KeyTypeNotSupportedException("Field element of type " + field.getFieldId() + " not supported.");

+      throw new KeyTypeNotSupportedException("Field element type not supported.");

     }

     

   }

   

-  public DomainParamsType createDomainParamsType(ECDSAParams params) throws KeyTypeNotSupportedException {

-    

+  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.getG().getCurve();

-    

-    String oid = params.getOID();

+    EllipticCurve curve = params.getCurve();

+

+    String oid = params2.getOID();

     if (oid !=  null) {

       // NamedCurve

       NamedCurve namedCurve = ecFactory.createDomainParamsTypeNamedCurve();

@@ -252,31 +237,27 @@ public class KeyValueFactory {
       // 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()));

-      curveParamsType.setB(createFieldElemType(curve.getB()));

+      curveParamsType.setA(createFieldElemType(curve.getA(), field));

+      curveParamsType.setB(createFieldElemType(curve.getB(), field));

       

       // seed

-      if (params.getS() != null) {

-        curveParamsType.setSeed(bigInteger2byteArray(params.getS()));

-      }

+      if (curve.getSeed() != null)

+        curveParamsType.setSeed(curve.getSeed());

       explicitParamsType.setCurveParams(curveParamsType);

-      

 

       // BasePoint parameters

       BasePointParamsType basePointParamsType = ecFactory.createBasePointParamsType();

-      if (!params.getG().isInfinity()) {

-        basePointParamsType.setBasePoint(createPointType(params.getG()));

-      }

-      basePointParamsType.setOrder(params.getR());

-      if(params.getK() != null) {

-        basePointParamsType.setCofactor(params.getK());

+      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);

     }