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;
public class SecP192R1Curve extends ECCurve.AbstractFp
{
public static final BigInteger q = new BigInteger(1,
Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"));
private static final int SecP192R1_DEFAULT_COORDS = COORD_JACOBIAN;
protected SecP192R1Point infinity;
public SecP192R1Curve()
{
super(q);
this.infinity = new SecP192R1Point(this, null, null);
this.a = fromBigInteger(new BigInteger(1,
Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC")));
this.b = fromBigInteger(new BigInteger(1,
Hex.decode("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1")));
this.order = new BigInteger(1, Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"));
this.cofactor = BigInteger.valueOf(1);
this.coord = SecP192R1_DEFAULT_COORDS;
}
protected ECCurve cloneCurve()
{
return new SecP192R1Curve();
}
public boolean supportsCoordinateSystem(int coord)
{
switch (coord)
{
case COORD_JACOBIAN:
return true;
default:
return false;
}
}
public BigInteger getQ()
{
return q;
}
public int getFieldSize()
{
return q.bitLength();
}
public ECFieldElement fromBigInteger(BigInteger x)
{
return new SecP192R1FieldElement(x);
}
protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, boolean withCompression)
{
return new SecP192R1Point(this, x, y, withCompression);
}
protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, boolean withCompression)
{
return new SecP192R1Point(this, x, y, zs, withCompression);
}
public ECPoint getInfinity()
{
return infinity;
}
}