what-the-bank/sources/org/bouncycastle/jce/provider/JCEElGamalPrivateKey.java

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2024-07-27 18:17:47 +07:00
package org.bouncycastle.jce.provider;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.math.BigInteger;
import java.util.Enumeration;
import javax.crypto.interfaces.DHPrivateKey;
import javax.crypto.spec.DHParameterSpec;
import javax.crypto.spec.DHPrivateKeySpec;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.oiw.ElGamalParameter;
import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.crypto.params.ElGamalPrivateKeyParameters;
import org.bouncycastle.jcajce.provider.asymmetric.util.KeyUtil;
import org.bouncycastle.jcajce.provider.asymmetric.util.PKCS12BagAttributeCarrierImpl;
import org.bouncycastle.jce.interfaces.ElGamalPrivateKey;
import org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier;
import org.bouncycastle.jce.spec.ElGamalParameterSpec;
import org.bouncycastle.jce.spec.ElGamalPrivateKeySpec;
/* loaded from: classes6.dex */
public class JCEElGamalPrivateKey implements ElGamalPrivateKey, DHPrivateKey, PKCS12BagAttributeCarrier {
static final long serialVersionUID = 4819350091141529678L;
private PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl();
ElGamalParameterSpec elSpec;
BigInteger x;
@Override // org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier
public void setBagAttribute(ASN1ObjectIdentifier aSN1ObjectIdentifier, ASN1Encodable aSN1Encodable) {
this.attrCarrier.setBagAttribute(aSN1ObjectIdentifier, aSN1Encodable);
}
@Override // org.bouncycastle.jce.interfaces.ElGamalPrivateKey, javax.crypto.interfaces.DHPrivateKey
public BigInteger getX() {
return this.x;
}
@Override // javax.crypto.interfaces.DHKey
public DHParameterSpec getParams() {
return new DHParameterSpec(this.elSpec.getP(), this.elSpec.getG());
}
@Override // org.bouncycastle.jce.interfaces.ElGamalKey
public ElGamalParameterSpec getParameters() {
return this.elSpec;
}
@Override // java.security.Key
public String getFormat() {
return "PKCS#8";
}
@Override // java.security.Key
public byte[] getEncoded() {
return KeyUtil.getEncodedPrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(this.elSpec.getP(), this.elSpec.getG())), new ASN1Integer(getX()));
}
@Override // org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier
public Enumeration getBagAttributeKeys() {
return this.attrCarrier.getBagAttributeKeys();
}
@Override // org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier
public ASN1Encodable getBagAttribute(ASN1ObjectIdentifier aSN1ObjectIdentifier) {
return this.attrCarrier.getBagAttribute(aSN1ObjectIdentifier);
}
@Override // java.security.Key
public String getAlgorithm() {
return "ElGamal";
}
private void writeObject(ObjectOutputStream objectOutputStream) throws IOException {
objectOutputStream.writeObject(getX());
objectOutputStream.writeObject(this.elSpec.getP());
objectOutputStream.writeObject(this.elSpec.getG());
}
private void readObject(ObjectInputStream objectInputStream) throws IOException, ClassNotFoundException {
this.x = (BigInteger) objectInputStream.readObject();
this.elSpec = new ElGamalParameterSpec((BigInteger) objectInputStream.readObject(), (BigInteger) objectInputStream.readObject());
}
JCEElGamalPrivateKey(ElGamalPrivateKeySpec elGamalPrivateKeySpec) {
this.x = elGamalPrivateKeySpec.getX();
this.elSpec = new ElGamalParameterSpec(elGamalPrivateKeySpec.getParams().getP(), elGamalPrivateKeySpec.getParams().getG());
}
JCEElGamalPrivateKey(ElGamalPrivateKey elGamalPrivateKey) {
this.x = elGamalPrivateKey.getX();
this.elSpec = elGamalPrivateKey.getParameters();
}
JCEElGamalPrivateKey(ElGamalPrivateKeyParameters elGamalPrivateKeyParameters) {
this.x = elGamalPrivateKeyParameters.getX();
this.elSpec = new ElGamalParameterSpec(elGamalPrivateKeyParameters.getParameters().getP(), elGamalPrivateKeyParameters.getParameters().getG());
}
JCEElGamalPrivateKey(PrivateKeyInfo privateKeyInfo) throws IOException {
ElGamalParameter elGamalParameter = ElGamalParameter.getInstance(privateKeyInfo.getPrivateKeyAlgorithm().getParameters());
this.x = ASN1Integer.getInstance(privateKeyInfo.parsePrivateKey()).getValue();
this.elSpec = new ElGamalParameterSpec(elGamalParameter.getP(), elGamalParameter.getG());
}
JCEElGamalPrivateKey(DHPrivateKeySpec dHPrivateKeySpec) {
this.x = dHPrivateKeySpec.getX();
this.elSpec = new ElGamalParameterSpec(dHPrivateKeySpec.getP(), dHPrivateKeySpec.getG());
}
JCEElGamalPrivateKey(DHPrivateKey dHPrivateKey) {
this.x = dHPrivateKey.getX();
this.elSpec = new ElGamalParameterSpec(dHPrivateKey.getParams().getP(), dHPrivateKey.getParams().getG());
}
protected JCEElGamalPrivateKey() {
}
}