| package org.bouncycastle.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.bouncycastle.asn1.ASN1Encodable; |
| import org.bouncycastle.asn1.ASN1ObjectIdentifier; |
| import org.bouncycastle.asn1.DERNull; |
| import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; |
| import org.bouncycastle.asn1.x509.AlgorithmIdentifier; |
| import org.bouncycastle.crypto.params.RSAKeyParameters; |
| import org.bouncycastle.jcajce.provider.asymmetric.util.KeyUtil; |
| import org.bouncycastle.jcajce.provider.asymmetric.util.PKCS12BagAttributeCarrierImpl; |
| import org.bouncycastle.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.bouncycastle.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); |
| } |
| } |