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package org.spongycastle.jce.provider;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.math.BigInteger;
import java.security.interfaces.RSAPrivateKey;
import java.security.spec.RSAPrivateKeySpec;
import java.util.Enumeration;
import org.spongycastle.asn1.ASN1Encodable;
import org.spongycastle.asn1.ASN1ObjectIdentifier;
import org.spongycastle.asn1.DERNull;
import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.spongycastle.asn1.x509.AlgorithmIdentifier;
import org.spongycastle.crypto.params.RSAKeyParameters;
import org.spongycastle.jcajce.provider.asymmetric.util.KeyUtil;
import org.spongycastle.jcajce.provider.asymmetric.util.PKCS12BagAttributeCarrierImpl;
import org.spongycastle.jce.interfaces.PKCS12BagAttributeCarrier;
public class JCERSAPrivateKey
implements RSAPrivateKey, PKCS12BagAttributeCarrier
{
static final long serialVersionUID = 5110188922551353628L;
private static BigInteger ZERO = BigInteger.valueOf(0);
protected BigInteger modulus;
protected BigInteger privateExponent;
private PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl();
protected JCERSAPrivateKey()
{
}
JCERSAPrivateKey(
RSAKeyParameters key)
{
this.modulus = key.getModulus();
this.privateExponent = key.getExponent();
}
JCERSAPrivateKey(
RSAPrivateKeySpec spec)
{
this.modulus = spec.getModulus();
this.privateExponent = spec.getPrivateExponent();
}
JCERSAPrivateKey(
RSAPrivateKey key)
{
this.modulus = key.getModulus();
this.privateExponent = key.getPrivateExponent();
}
public BigInteger getModulus()
{
return modulus;
}
public BigInteger getPrivateExponent()
{
return privateExponent;
}
public String getAlgorithm()
{
return "RSA";
}
public String getFormat()
{
return "PKCS#8";
}
public byte[] getEncoded()
{
return KeyUtil.getEncodedPrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE), new org.spongycastle.asn1.pkcs.RSAPrivateKey(getModulus(), ZERO, getPrivateExponent(), ZERO, ZERO, ZERO, ZERO, ZERO));
}
public boolean equals(Object o)
{
if (!(o instanceof RSAPrivateKey))
{
return false;
}
if (o == this)
{
return true;
}
RSAPrivateKey key = (RSAPrivateKey)o;
return getModulus().equals(key.getModulus())
&& getPrivateExponent().equals(key.getPrivateExponent());
}
public int hashCode()
{
return getModulus().hashCode() ^ getPrivateExponent().hashCode();
}
public void setBagAttribute(
ASN1ObjectIdentifier oid,
ASN1Encodable attribute)
{
attrCarrier.setBagAttribute(oid, attribute);
}
public ASN1Encodable getBagAttribute(
ASN1ObjectIdentifier oid)
{
return attrCarrier.getBagAttribute(oid);
}
public Enumeration getBagAttributeKeys()
{
return attrCarrier.getBagAttributeKeys();
}
private void readObject(
ObjectInputStream in)
throws IOException, ClassNotFoundException
{
this.modulus = (BigInteger)in.readObject();
this.attrCarrier = new PKCS12BagAttributeCarrierImpl();
attrCarrier.readObject(in);
this.privateExponent = (BigInteger)in.readObject();
}
private void writeObject(
ObjectOutputStream out)
throws IOException
{
out.writeObject(modulus);
attrCarrier.writeObject(out);
out.writeObject(privateExponent);
}
}
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