what-the-bank/sources/org/bouncycastle/math/ec/custom/sec/SecP128R1Curve.java

64 lines
2.2 KiB
Java

package org.bouncycastle.math.ec.custom.sec;
import java.math.BigInteger;
import org.bouncycastle.math.ec.ECCurve;
import org.bouncycastle.math.ec.ECFieldElement;
import org.bouncycastle.math.ec.ECPoint;
import org.bouncycastle.util.encoders.Hex;
/* loaded from: classes6.dex */
public class SecP128R1Curve extends ECCurve.AbstractFp {
private static final int SecP128R1_DEFAULT_COORDS = 2;
public static final BigInteger q = new BigInteger(1, Hex.decode("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF"));
protected SecP128R1Point infinity;
@Override // org.bouncycastle.math.ec.ECCurve
public boolean supportsCoordinateSystem(int i) {
return i == 2;
}
public BigInteger getQ() {
return q;
}
@Override // org.bouncycastle.math.ec.ECCurve
public ECPoint getInfinity() {
return this.infinity;
}
@Override // org.bouncycastle.math.ec.ECCurve
public int getFieldSize() {
return q.bitLength();
}
@Override // org.bouncycastle.math.ec.ECCurve
public ECFieldElement fromBigInteger(BigInteger bigInteger) {
return new SecP128R1FieldElement(bigInteger);
}
@Override // org.bouncycastle.math.ec.ECCurve
public ECPoint createRawPoint(ECFieldElement eCFieldElement, ECFieldElement eCFieldElement2, ECFieldElement[] eCFieldElementArr, boolean z) {
return new SecP128R1Point(this, eCFieldElement, eCFieldElement2, eCFieldElementArr, z);
}
@Override // org.bouncycastle.math.ec.ECCurve
public ECPoint createRawPoint(ECFieldElement eCFieldElement, ECFieldElement eCFieldElement2, boolean z) {
return new SecP128R1Point(this, eCFieldElement, eCFieldElement2, z);
}
@Override // org.bouncycastle.math.ec.ECCurve
public ECCurve cloneCurve() {
return new SecP128R1Curve();
}
public SecP128R1Curve() {
super(q);
this.infinity = new SecP128R1Point(this, null, null);
this.a = fromBigInteger(new BigInteger(1, Hex.decode("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC")));
this.b = fromBigInteger(new BigInteger(1, Hex.decode("E87579C11079F43DD824993C2CEE5ED3")));
this.order = new BigInteger(1, Hex.decode("FFFFFFFE0000000075A30D1B9038A115"));
this.cofactor = BigInteger.valueOf(1L);
this.coord = 2;
}
}