31 lines
1.5 KiB
Java
31 lines
1.5 KiB
Java
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package org.bouncycastle.jce.provider;
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import java.security.InvalidKeyException;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import javax.crypto.interfaces.DHPrivateKey;
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import javax.crypto.interfaces.DHPublicKey;
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import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
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import org.bouncycastle.crypto.params.DHParameters;
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import org.bouncycastle.crypto.params.DHPrivateKeyParameters;
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import org.bouncycastle.crypto.params.DHPublicKeyParameters;
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/* loaded from: classes6.dex */
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public class DHUtil {
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public static AsymmetricKeyParameter generatePublicKeyParameter(PublicKey publicKey) throws InvalidKeyException {
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if (!(publicKey instanceof DHPublicKey)) {
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throw new InvalidKeyException("can't identify DH public key.");
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}
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DHPublicKey dHPublicKey = (DHPublicKey) publicKey;
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return new DHPublicKeyParameters(dHPublicKey.getY(), new DHParameters(dHPublicKey.getParams().getP(), dHPublicKey.getParams().getG(), null, dHPublicKey.getParams().getL()));
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}
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public static AsymmetricKeyParameter generatePrivateKeyParameter(PrivateKey privateKey) throws InvalidKeyException {
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if (!(privateKey instanceof DHPrivateKey)) {
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throw new InvalidKeyException("can't identify DH private key.");
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}
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DHPrivateKey dHPrivateKey = (DHPrivateKey) privateKey;
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return new DHPrivateKeyParameters(dHPrivateKey.getX(), new DHParameters(dHPrivateKey.getParams().getP(), dHPrivateKey.getParams().getG(), null, dHPrivateKey.getParams().getL()));
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}
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}
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