64 lines
2.4 KiB
Java
64 lines
2.4 KiB
Java
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package org.bouncycastle.math.ec.custom.sec;
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import java.math.BigInteger;
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import org.bouncycastle.math.ec.ECCurve;
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import org.bouncycastle.math.ec.ECFieldElement;
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import org.bouncycastle.math.ec.ECPoint;
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import org.bouncycastle.util.encoders.Hex;
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/* loaded from: classes6.dex */
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public class SecP256R1Curve extends ECCurve.AbstractFp {
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private static final int SecP256R1_DEFAULT_COORDS = 2;
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public static final BigInteger q = new BigInteger(1, Hex.decode("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"));
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protected SecP256R1Point infinity;
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@Override // org.bouncycastle.math.ec.ECCurve
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public boolean supportsCoordinateSystem(int i) {
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return i == 2;
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}
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public BigInteger getQ() {
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return q;
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}
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@Override // org.bouncycastle.math.ec.ECCurve
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public ECPoint getInfinity() {
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return this.infinity;
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}
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@Override // org.bouncycastle.math.ec.ECCurve
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public int getFieldSize() {
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return q.bitLength();
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}
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@Override // org.bouncycastle.math.ec.ECCurve
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public ECFieldElement fromBigInteger(BigInteger bigInteger) {
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return new SecP256R1FieldElement(bigInteger);
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}
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@Override // org.bouncycastle.math.ec.ECCurve
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public ECPoint createRawPoint(ECFieldElement eCFieldElement, ECFieldElement eCFieldElement2, ECFieldElement[] eCFieldElementArr, boolean z) {
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return new SecP256R1Point(this, eCFieldElement, eCFieldElement2, eCFieldElementArr, z);
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}
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@Override // org.bouncycastle.math.ec.ECCurve
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public ECPoint createRawPoint(ECFieldElement eCFieldElement, ECFieldElement eCFieldElement2, boolean z) {
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return new SecP256R1Point(this, eCFieldElement, eCFieldElement2, z);
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}
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@Override // org.bouncycastle.math.ec.ECCurve
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public ECCurve cloneCurve() {
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return new SecP256R1Curve();
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}
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public SecP256R1Curve() {
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super(q);
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this.infinity = new SecP256R1Point(this, null, null);
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this.a = fromBigInteger(new BigInteger(1, Hex.decode("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC")));
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this.b = fromBigInteger(new BigInteger(1, Hex.decode("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B")));
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this.order = new BigInteger(1, Hex.decode("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551"));
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this.cofactor = BigInteger.valueOf(1L);
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this.coord = 2;
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}
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}
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