22 lines
781 B
Java
22 lines
781 B
Java
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package org.bouncycastle.math.ec;
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import java.math.BigInteger;
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/* loaded from: classes6.dex */
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public abstract class AbstractECMultiplier implements ECMultiplier {
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protected abstract ECPoint multiplyPositive(ECPoint eCPoint, BigInteger bigInteger);
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@Override // org.bouncycastle.math.ec.ECMultiplier
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public ECPoint multiply(ECPoint eCPoint, BigInteger bigInteger) {
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int signum = bigInteger.signum();
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if (signum == 0 || eCPoint.isInfinity()) {
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return eCPoint.getCurve().getInfinity();
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}
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ECPoint multiplyPositive = multiplyPositive(eCPoint, bigInteger.abs());
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if (signum <= 0) {
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multiplyPositive = multiplyPositive.negate();
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}
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return ECAlgorithms.validatePoint(multiplyPositive);
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}
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}
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