30 lines
1.6 KiB
Java
30 lines
1.6 KiB
Java
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package org.bouncycastle.crypto.generators;
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import java.math.BigInteger;
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import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
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import org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator;
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import org.bouncycastle.crypto.KeyGenerationParameters;
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import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
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import org.bouncycastle.crypto.params.DHKeyGenerationParameters;
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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 DHKeyPairGenerator implements AsymmetricCipherKeyPairGenerator {
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private DHKeyGenerationParameters param;
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@Override // org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator
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public void init(KeyGenerationParameters keyGenerationParameters) {
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this.param = (DHKeyGenerationParameters) keyGenerationParameters;
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}
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@Override // org.bouncycastle.crypto.AsymmetricCipherKeyPairGenerator
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public AsymmetricCipherKeyPair generateKeyPair() {
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DHKeyGeneratorHelper dHKeyGeneratorHelper = DHKeyGeneratorHelper.INSTANCE;
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DHParameters parameters = this.param.getParameters();
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BigInteger calculatePrivate = dHKeyGeneratorHelper.calculatePrivate(parameters, this.param.getRandom());
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return new AsymmetricCipherKeyPair((AsymmetricKeyParameter) new DHPublicKeyParameters(dHKeyGeneratorHelper.calculatePublic(parameters, calculatePrivate), parameters), (AsymmetricKeyParameter) new DHPrivateKeyParameters(calculatePrivate, parameters));
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}
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}
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