package org.bouncycastle.jce.spec; import java.math.BigInteger; import java.security.spec.ECField; import java.security.spec.ECFieldF2m; import java.security.spec.ECFieldFp; import java.security.spec.ECPoint; import java.security.spec.EllipticCurve; import org.bouncycastle.math.ec.ECAlgorithms; import org.bouncycastle.math.ec.ECCurve; import org.bouncycastle.math.field.FiniteField; import org.bouncycastle.math.field.Polynomial; import org.bouncycastle.math.field.PolynomialExtensionField; import org.bouncycastle.util.Arrays; /* loaded from: classes6.dex */ public class ECNamedCurveSpec extends java.security.spec.ECParameterSpec { private String name; public String getName() { return this.name; } private static ECPoint convertPoint(org.bouncycastle.math.ec.ECPoint eCPoint) { org.bouncycastle.math.ec.ECPoint normalize = eCPoint.normalize(); return new ECPoint(normalize.getAffineXCoord().toBigInteger(), normalize.getAffineYCoord().toBigInteger()); } private static ECField convertField(FiniteField finiteField) { if (ECAlgorithms.isFpField(finiteField)) { return new ECFieldFp(finiteField.getCharacteristic()); } Polynomial minimalPolynomial = ((PolynomialExtensionField) finiteField).getMinimalPolynomial(); int[] exponentsPresent = minimalPolynomial.getExponentsPresent(); return new ECFieldF2m(minimalPolynomial.getDegree(), Arrays.reverse(Arrays.copyOfRange(exponentsPresent, 1, exponentsPresent.length - 1))); } private static EllipticCurve convertCurve(ECCurve eCCurve, byte[] bArr) { return new EllipticCurve(convertField(eCCurve.getField()), eCCurve.getA().toBigInteger(), eCCurve.getB().toBigInteger(), bArr); } public ECNamedCurveSpec(String str, ECCurve eCCurve, org.bouncycastle.math.ec.ECPoint eCPoint, BigInteger bigInteger, BigInteger bigInteger2, byte[] bArr) { super(convertCurve(eCCurve, bArr), convertPoint(eCPoint), bigInteger, bigInteger2.intValue()); this.name = str; } public ECNamedCurveSpec(String str, ECCurve eCCurve, org.bouncycastle.math.ec.ECPoint eCPoint, BigInteger bigInteger, BigInteger bigInteger2) { super(convertCurve(eCCurve, null), convertPoint(eCPoint), bigInteger, bigInteger2.intValue()); this.name = str; } public ECNamedCurveSpec(String str, ECCurve eCCurve, org.bouncycastle.math.ec.ECPoint eCPoint, BigInteger bigInteger) { super(convertCurve(eCCurve, null), convertPoint(eCPoint), bigInteger, 1); this.name = str; } public ECNamedCurveSpec(String str, EllipticCurve ellipticCurve, ECPoint eCPoint, BigInteger bigInteger, BigInteger bigInteger2) { super(ellipticCurve, eCPoint, bigInteger, bigInteger2.intValue()); this.name = str; } public ECNamedCurveSpec(String str, EllipticCurve ellipticCurve, ECPoint eCPoint, BigInteger bigInteger) { super(ellipticCurve, eCPoint, bigInteger, 1); this.name = str; } }