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 SecP384R1Curve extends ECCurve.AbstractFp { public static final BigInteger q = new BigInteger(1, Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF")); private static final int SecP384R1_DEFAULT_COORDS = COORD_JACOBIAN; protected SecP384R1Point infinity; public SecP384R1Curve() { super(q); this.infinity = new SecP384R1Point(this, null, null); this.a = fromBigInteger(new BigInteger(1, Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC"))); this.b = fromBigInteger(new BigInteger(1, Hex.decode("B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"))); this.order = new BigInteger(1, Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973")); this.cofactor = BigInteger.valueOf(1); this.coord = SecP384R1_DEFAULT_COORDS; } protected ECCurve cloneCurve() { return new SecP384R1Curve(); } 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 SecP384R1FieldElement(x); } protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, boolean withCompression) { return new SecP384R1Point(this, x, y, withCompression); } protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, boolean withCompression) { return new SecP384R1Point(this, x, y, zs, withCompression); } public ECPoint getInfinity() { return infinity; } }