58 lines
2.0 KiB
Java
58 lines
2.0 KiB
Java
package org.bouncycastle.math.field;
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import java.math.BigInteger;
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import org.bouncycastle.util.Integers;
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes6.dex */
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public class GenericPolynomialExtensionField implements PolynomialExtensionField {
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protected final Polynomial minimalPolynomial;
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protected final FiniteField subfield;
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public int hashCode() {
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return this.subfield.hashCode() ^ Integers.rotateLeft(this.minimalPolynomial.hashCode(), 16);
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}
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@Override // org.bouncycastle.math.field.ExtensionField
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public FiniteField getSubfield() {
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return this.subfield;
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}
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@Override // org.bouncycastle.math.field.PolynomialExtensionField
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public Polynomial getMinimalPolynomial() {
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return this.minimalPolynomial;
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}
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@Override // org.bouncycastle.math.field.FiniteField
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public int getDimension() {
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return this.subfield.getDimension() * this.minimalPolynomial.getDegree();
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}
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@Override // org.bouncycastle.math.field.ExtensionField
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public int getDegree() {
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return this.minimalPolynomial.getDegree();
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}
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@Override // org.bouncycastle.math.field.FiniteField
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public BigInteger getCharacteristic() {
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return this.subfield.getCharacteristic();
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}
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (!(obj instanceof GenericPolynomialExtensionField)) {
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return false;
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}
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GenericPolynomialExtensionField genericPolynomialExtensionField = (GenericPolynomialExtensionField) obj;
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return this.subfield.equals(genericPolynomialExtensionField.subfield) && this.minimalPolynomial.equals(genericPolynomialExtensionField.minimalPolynomial);
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public GenericPolynomialExtensionField(FiniteField finiteField, Polynomial polynomial) {
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this.subfield = finiteField;
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this.minimalPolynomial = polynomial;
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}
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}
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