55 lines
3.6 KiB
Java
55 lines
3.6 KiB
Java
|
package org.bouncycastle.crypto.util;
|
||
|
|
|
||
|
|
import java.io.IOException;
|
||
|
|
import org.bouncycastle.asn1.ASN1Integer;
|
||
|
|
import org.bouncycastle.asn1.ASN1Null;
|
||
|
|
import org.bouncycastle.asn1.DERNull;
|
||
|
|
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
|
||
|
|
import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
|
||
|
|
import org.bouncycastle.asn1.pkcs.RSAPrivateKey;
|
||
|
|
import org.bouncycastle.asn1.sec.ECPrivateKey;
|
||
|
|
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
|
||
|
|
import org.bouncycastle.asn1.x509.DSAParameter;
|
||
|
|
import org.bouncycastle.asn1.x9.X962Parameters;
|
||
|
|
import org.bouncycastle.asn1.x9.X9ECParameters;
|
||
|
|
import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;
|
||
|
|
import org.bouncycastle.crypto.params.AsymmetricKeyParameter;
|
||
|
|
import org.bouncycastle.crypto.params.DSAParameters;
|
||
|
|
import org.bouncycastle.crypto.params.DSAPrivateKeyParameters;
|
||
|
|
import org.bouncycastle.crypto.params.ECDomainParameters;
|
||
|
|
import org.bouncycastle.crypto.params.ECNamedDomainParameters;
|
||
|
|
import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
|
||
|
|
import org.bouncycastle.crypto.params.RSAKeyParameters;
|
||
|
|
import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters;
|
||
|
|
|
||
|
|
/* loaded from: classes6.dex */
|
||
|
|
public class PrivateKeyInfoFactory {
|
||
|
|
public static PrivateKeyInfo createPrivateKeyInfo(AsymmetricKeyParameter asymmetricKeyParameter) throws IOException {
|
||
|
|
int bitLength;
|
||
|
|
X962Parameters x962Parameters;
|
||
|
|
if (asymmetricKeyParameter instanceof RSAKeyParameters) {
|
||
|
|
RSAPrivateCrtKeyParameters rSAPrivateCrtKeyParameters = (RSAPrivateCrtKeyParameters) asymmetricKeyParameter;
|
||
|
|
return new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new RSAPrivateKey(rSAPrivateCrtKeyParameters.getModulus(), rSAPrivateCrtKeyParameters.getPublicExponent(), rSAPrivateCrtKeyParameters.getExponent(), rSAPrivateCrtKeyParameters.getP(), rSAPrivateCrtKeyParameters.getQ(), rSAPrivateCrtKeyParameters.getDP(), rSAPrivateCrtKeyParameters.getDQ(), rSAPrivateCrtKeyParameters.getQInv()));
|
||
|
|
}
|
||
|
|
if (asymmetricKeyParameter instanceof DSAPrivateKeyParameters) {
|
||
|
|
DSAPrivateKeyParameters dSAPrivateKeyParameters = (DSAPrivateKeyParameters) asymmetricKeyParameter;
|
||
|
|
DSAParameters parameters = dSAPrivateKeyParameters.getParameters();
|
||
|
|
return new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_dsa, new DSAParameter(parameters.getP(), parameters.getQ(), parameters.getG())), new ASN1Integer(dSAPrivateKeyParameters.getX()));
|
||
|
|
}
|
||
|
|
if (!(asymmetricKeyParameter instanceof ECPrivateKeyParameters)) {
|
||
|
|
throw new IOException("key parameters not recognised.");
|
||
|
|
}
|
||
|
|
ECPrivateKeyParameters eCPrivateKeyParameters = (ECPrivateKeyParameters) asymmetricKeyParameter;
|
||
|
|
ECDomainParameters parameters2 = eCPrivateKeyParameters.getParameters();
|
||
|
|
if (parameters2 == null) {
|
||
|
|
x962Parameters = new X962Parameters((ASN1Null) DERNull.INSTANCE);
|
||
|
|
bitLength = eCPrivateKeyParameters.getD().bitLength();
|
||
|
|
} else {
|
||
|
|
X962Parameters x962Parameters2 = parameters2 instanceof ECNamedDomainParameters ? new X962Parameters(((ECNamedDomainParameters) parameters2).getName()) : new X962Parameters(new X9ECParameters(parameters2.getCurve(), parameters2.getG(), parameters2.getN(), parameters2.getH(), parameters2.getSeed()));
|
||
|
|
bitLength = parameters2.getN().bitLength();
|
||
|
|
x962Parameters = x962Parameters2;
|
||
|
|
}
|
||
|
|
return new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, x962Parameters), new ECPrivateKey(bitLength, eCPrivateKeyParameters.getD(), x962Parameters));
|
||
|
|
}
|
||
|
|
}
|