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authorharald.bratko <harald.bratko@d688527b-c9ab-4aba-bd8d-4036d912da1d>2005-06-02 15:58:51 +0000
committerharald.bratko <harald.bratko@d688527b-c9ab-4aba-bd8d-4036d912da1d>2005-06-02 15:58:51 +0000
commit18ff90793f2507bb62e3096c11c273a5f8ba9cfc (patch)
tree7f160d006cb8402d75c98ebf0cc43c9417a7b078 /id.server/src/at/gv/egovernment/moa
parent4e19a9ed825e351a0da7e4653a0050ad8ab3d6dd (diff)
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Updated for new IAIK ECC library.
git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@347 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'id.server/src/at/gv/egovernment/moa')
-rw-r--r--id.server/src/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java42
1 files changed, 20 insertions, 22 deletions
diff --git a/id.server/src/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java b/id.server/src/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java
index adb28d4ed..2567cd739 100644
--- a/id.server/src/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java
+++ b/id.server/src/at/gv/egovernment/moa/id/util/ECDSAKeyValueConverter.java
@@ -1,20 +1,16 @@
package at.gv.egovernment.moa.id.util;
-import iaik.ixsil.util.URI;
-
import iaik.security.ecc.ecdsa.ECDSAParameter;
import iaik.security.ecc.ecdsa.ECPublicKey;
-//import iaik.security.ecc.interfaces.ECDSAPublicKey;
+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.ecgroup.ProjectiveCoordinate;
-//import iaik.security.ecc.math.field.BinaryField;
-//import iaik.security.ecc.math.field.BinaryFieldValue;
import iaik.security.ecc.math.field.Field;
import iaik.security.ecc.math.field.FieldElement;
-import iaik.security.ecc.math.field.FieldFactory;
-import iaik.security.ecc.math.field.Value;
+import iaik.security.ecc.math.field.PrimeField;
import iaik.security.ecc.parameter.ECCParameterFactory;
import iaik.security.ecc.spec.ECCParameterSpec;
@@ -25,15 +21,11 @@ import java.util.Iterator;
import java.util.Vector;
import org.w3c.dom.Attr;
-import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
-//import at.gv.cio.identitylink.init.Constants;
-import at.gv.egovernment.moa.id.util.ECDSAConstants;
-
public class ECDSAKeyValueConverter
{
@@ -49,7 +41,7 @@ public class ECDSAKeyValueConverter
*
* @author gregor karlinger
*/
-public static PublicKey element2ECDSAPublicKey(Element keyValueElem) throws Exception
+ public static PublicKey element2ECDSAPublicKey(Element keyValueElem) throws Exception
{
String ecdsaNS = ECDSAConstants.NAMESPACE_ECDSAKEYVALUE_;
@@ -170,10 +162,10 @@ public static PublicKey element2ECDSAPublicKey(Element keyValueElem) throws Exce
Element publicKeyYElem = getChildElement(publicKeyElem, ecdsaNS, "Y", 1);
String publicKeyYStr = publicKeyYElem.getAttributeNS(null, "Value");
- ECDSAParameter ecdsaParams = new ECDSAParameter(eccParameterSpec, false);
+ ECDSAParameter ecdsaParams = new ECDSAParameter(eccParameterSpec, CoordinateTypes.PROJECTIVE_COORDINATES);
ECGroupFactory ecGroupFactory = ECGroupFactory.getInstance();
- EllipticCurve eCurve = ecGroupFactory.getCurveWithProjective(eccParameterSpec.getA(),
- eccParameterSpec.getB(), eccParameterSpec.getR());
+ EllipticCurve eCurve = ecGroupFactory.getCurve(eccParameterSpec.getA(),
+ eccParameterSpec.getB(), eccParameterSpec.getR(), CoordinateTypes.PROJECTIVE_COORDINATES);
Field field = eCurve.getField();
// Detect type of public key field elements
@@ -187,18 +179,24 @@ public static PublicKey element2ECDSAPublicKey(Element keyValueElem) throws Exce
FieldElement publicKeyPointX, publicKeyPointY;
if (fieldElemType == FIELD_TYPE_PRIME)
{
- Value xValue = FieldFactory.getInstance().getPrimeFieldValue(new BigInteger(publicKeyXStr, 10));
- publicKeyPointX = field.newElement(xValue);
- Value yValue = FieldFactory.getInstance().getPrimeFieldValue(new BigInteger(publicKeyYStr, 10));
- publicKeyPointY = field.newElement(yValue);
+
+// 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());
+// 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);