36 lines
2.1 KiB
Java
36 lines
2.1 KiB
Java
package org.bouncycastle.jcajce.provider.asymmetric.util;
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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 org.bouncycastle.crypto.params.AsymmetricKeyParameter;
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import org.bouncycastle.crypto.params.GOST3410Parameters;
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import org.bouncycastle.crypto.params.GOST3410PrivateKeyParameters;
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import org.bouncycastle.crypto.params.GOST3410PublicKeyParameters;
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import org.bouncycastle.jce.interfaces.GOST3410PrivateKey;
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import org.bouncycastle.jce.interfaces.GOST3410PublicKey;
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import org.bouncycastle.jce.spec.GOST3410PublicKeyParameterSetSpec;
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/* loaded from: classes6.dex */
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public class GOST3410Util {
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public static AsymmetricKeyParameter generatePublicKeyParameter(PublicKey publicKey) throws InvalidKeyException {
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if (publicKey instanceof GOST3410PublicKey) {
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GOST3410PublicKey gOST3410PublicKey = (GOST3410PublicKey) publicKey;
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GOST3410PublicKeyParameterSetSpec publicKeyParameters = gOST3410PublicKey.getParameters().getPublicKeyParameters();
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return new GOST3410PublicKeyParameters(gOST3410PublicKey.getY(), new GOST3410Parameters(publicKeyParameters.getP(), publicKeyParameters.getQ(), publicKeyParameters.getA()));
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}
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StringBuilder sb = new StringBuilder("can't identify GOST3410 public key: ");
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sb.append(publicKey.getClass().getName());
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throw new InvalidKeyException(sb.toString());
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}
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public static AsymmetricKeyParameter generatePrivateKeyParameter(PrivateKey privateKey) throws InvalidKeyException {
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if (!(privateKey instanceof GOST3410PrivateKey)) {
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throw new InvalidKeyException("can't identify GOST3410 private key.");
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}
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GOST3410PrivateKey gOST3410PrivateKey = (GOST3410PrivateKey) privateKey;
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GOST3410PublicKeyParameterSetSpec publicKeyParameters = gOST3410PrivateKey.getParameters().getPublicKeyParameters();
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return new GOST3410PrivateKeyParameters(gOST3410PrivateKey.getX(), new GOST3410Parameters(publicKeyParameters.getP(), publicKeyParameters.getQ(), publicKeyParameters.getA()));
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}
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}
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