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Chanced EccProvateKeySerializer to use RefelectASM for access to 

setting the curve coordinate (solves problem with differences in
classes in signed packages - ie: if it's signed, all files in package
 must have the same signer.)
This commit is contained in:
nathan 2016-03-12 12:51:12 +01:00
parent 9845d72a36
commit df7d82dc37
1 changed files with 7 additions and 2 deletions
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9
Dorkbox-Util/src/dorkbox/util/serialization/EccPrivateKeySerializer.java
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@ -19,12 +19,12 @@ import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;
import com.esotericsoftware.reflectasm.FieldAccess;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.x9.X9ECParameters;
import org.bouncycastle.crypto.ec.CustomNamedCurves;
import org.bouncycastle.crypto.params.ECDomainParameters;
import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
import org.bouncycastle.math.ec.ECAccessor;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.math.ec.ECPoint;
@ -36,6 +36,11 @@ import java.math.BigInteger;
public
class EccPrivateKeySerializer extends Serializer<ECPrivateKeyParameters> {
// we use ASM here
private static final FieldAccess ecCurveAccess = FieldAccess.get(ECCurve.class);
private static final int ecCoordIndex = ecCurveAccess.getIndex("coord");
private static final byte usesName = (byte) 1;
private static final byte usesOid = (byte) 2;
@ -245,7 +250,7 @@ class EccPrivateKeySerializer extends Serializer<ECPrivateKeyParameters> {
int coordinateSystem = input.readInt(true);
curve = new ECCurve.Fp(q, a, b, order, cofactor);
ECAccessor.setCoordSystem(curve, coordinateSystem);
ecCurveAccess.setInt(curve, ecCoordIndex, coordinateSystem);
}
return curve;
}