| /* GENERATED SOURCE. DO NOT MODIFY. */ |
| package com.android.org.bouncycastle.math.ec.custom.sec; |
| |
| import java.math.BigInteger; |
| |
| import com.android.org.bouncycastle.math.ec.ECConstants; |
| import com.android.org.bouncycastle.math.ec.ECCurve; |
| import com.android.org.bouncycastle.math.ec.ECFieldElement; |
| import com.android.org.bouncycastle.math.ec.ECPoint; |
| import com.android.org.bouncycastle.util.encoders.Hex; |
| |
| /** |
| * @hide This class is not part of the Android public SDK API |
| */ |
| public class SecP192K1Curve extends ECCurve.AbstractFp |
| { |
| public static final BigInteger q = new BigInteger(1, |
| Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37")); |
| |
| private static final int SecP192K1_DEFAULT_COORDS = COORD_JACOBIAN; |
| |
| protected SecP192K1Point infinity; |
| |
| public SecP192K1Curve() |
| { |
| super(q); |
| |
| this.infinity = new SecP192K1Point(this, null, null); |
| |
| this.a = fromBigInteger(ECConstants.ZERO); |
| this.b = fromBigInteger(BigInteger.valueOf(3)); |
| this.order = new BigInteger(1, Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D")); |
| this.cofactor = BigInteger.valueOf(1); |
| |
| this.coord = SecP192K1_DEFAULT_COORDS; |
| } |
| |
| protected ECCurve cloneCurve() |
| { |
| return new SecP192K1Curve(); |
| } |
| |
| 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 SecP192K1FieldElement(x); |
| } |
| |
| protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, boolean withCompression) |
| { |
| return new SecP192K1Point(this, x, y, withCompression); |
| } |
| |
| protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, boolean withCompression) |
| { |
| return new SecP192K1Point(this, x, y, zs, withCompression); |
| } |
| |
| public ECPoint getInfinity() |
| { |
| return infinity; |
| } |
| } |