1 files changed, 0 insertions, 123 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/EC5Util.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/EC5Util.java
deleted file mode 100644
index b6fc1ee35..000000000
--- a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/util/EC5Util.java
+++ /dev/null
@@ -1,123 +0,0 @@
-package org.spongycastle.jcajce.provider.asymmetric.util;
-
-import java.math.BigInteger;
-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 org.spongycastle.jce.spec.ECNamedCurveParameterSpec;
-import org.spongycastle.jce.spec.ECNamedCurveSpec;
-import org.spongycastle.math.ec.ECCurve;
-
-public class EC5Util
-{
-    public static EllipticCurve convertCurve(
-        ECCurve curve, 
-        byte[]  seed)
-    {
-        // TODO: the Sun EC implementation doesn't currently handle the seed properly
-        // so at the moment it's set to null. Should probably look at making this configurable
-        if (curve instanceof ECCurve.Fp)
-        {
-            return new EllipticCurve(new ECFieldFp(((ECCurve.Fp)curve).getQ()), curve.getA().toBigInteger(), curve.getB().toBigInteger(), null);
-        }
-        else
-        {
-            ECCurve.F2m curveF2m = (ECCurve.F2m)curve;
-            int ks[];
-            
-            if (curveF2m.isTrinomial())
-            {
-                ks = new int[] { curveF2m.getK1() };
-                
-                return new EllipticCurve(new ECFieldF2m(curveF2m.getM(), ks), curve.getA().toBigInteger(), curve.getB().toBigInteger(), null);
-            }
-            else
-            {
-                ks = new int[] { curveF2m.getK3(), curveF2m.getK2(), curveF2m.getK1() };
-                
-                return new EllipticCurve(new ECFieldF2m(curveF2m.getM(), ks), curve.getA().toBigInteger(), curve.getB().toBigInteger(), null);
-            } 
-        }
-    }
-
-    public static ECCurve convertCurve(
-        EllipticCurve ec)
-    {
-        ECField field = ec.getField();
-        BigInteger a = ec.getA();
-        BigInteger b = ec.getB();
-
-        if (field instanceof ECFieldFp)
-        {
-            return new ECCurve.Fp(((ECFieldFp)field).getP(), a, b);
-        }
-        else
-        {
-            ECFieldF2m fieldF2m = (ECFieldF2m)field;
-            int m = fieldF2m.getM();
-            int ks[] = ECUtil.convertMidTerms(fieldF2m.getMidTermsOfReductionPolynomial());
-            return new ECCurve.F2m(m, ks[0], ks[1], ks[2], a, b); 
-        }
-    }
-
-    public static ECParameterSpec convertSpec(
-        EllipticCurve ellipticCurve,
-        org.spongycastle.jce.spec.ECParameterSpec spec)
-    {
-        if (spec instanceof ECNamedCurveParameterSpec)
-        {
-            return new ECNamedCurveSpec(
-                ((ECNamedCurveParameterSpec)spec).getName(),
-                ellipticCurve,
-                new ECPoint(
-                    spec.getG().getAffineXCoord().toBigInteger(),
-                    spec.getG().getAffineYCoord().toBigInteger()),
-                spec.getN(),
-                spec.getH());
-        }
-        else
-        {
-            return new ECParameterSpec(
-                ellipticCurve,
-                new ECPoint(
-                    spec.getG().getAffineXCoord().toBigInteger(),
-                    spec.getG().getAffineYCoord().toBigInteger()),
-                spec.getN(),
-                spec.getH().intValue());
-        }
-    }
-
-    public static org.spongycastle.jce.spec.ECParameterSpec convertSpec(
-        ECParameterSpec ecSpec,
-        boolean withCompression)
-    {
-        ECCurve curve = convertCurve(ecSpec.getCurve());
-
-        return new org.spongycastle.jce.spec.ECParameterSpec(
-            curve,
-            convertPoint(curve, ecSpec.getGenerator(), withCompression),
-            ecSpec.getOrder(),
-            BigInteger.valueOf(ecSpec.getCofactor()),
-            ecSpec.getCurve().getSeed());
-    }
-
-    public static org.spongycastle.math.ec.ECPoint convertPoint(
-        ECParameterSpec ecSpec,
-        ECPoint point,
-        boolean withCompression)
-    {
-        return convertPoint(convertCurve(ecSpec.getCurve()), point, withCompression);
-    }
-
-    public static org.spongycastle.math.ec.ECPoint convertPoint(
-        ECCurve curve,
-        ECPoint point,
-        boolean withCompression)
-    {
-        return curve.createPoint(point.getAffineX(), point.getAffineY(), withCompression);
-    }
-}