diff options
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/jce/provider/JCEElGamalPrivateKey.java')
-rw-r--r-- | bcprov/src/main/java/org/bouncycastle/jce/provider/JCEElGamalPrivateKey.java | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/jce/provider/JCEElGamalPrivateKey.java b/bcprov/src/main/java/org/bouncycastle/jce/provider/JCEElGamalPrivateKey.java deleted file mode 100644 index 6c21f87..0000000 --- a/bcprov/src/main/java/org/bouncycastle/jce/provider/JCEElGamalPrivateKey.java +++ /dev/null @@ -1,165 +0,0 @@ -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; - -public class JCEElGamalPrivateKey - implements ElGamalPrivateKey, DHPrivateKey, PKCS12BagAttributeCarrier -{ - static final long serialVersionUID = 4819350091141529678L; - - BigInteger x; - - ElGamalParameterSpec elSpec; - - private PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl(); - - protected JCEElGamalPrivateKey() - { - } - - JCEElGamalPrivateKey( - ElGamalPrivateKey key) - { - this.x = key.getX(); - this.elSpec = key.getParameters(); - } - - JCEElGamalPrivateKey( - DHPrivateKey key) - { - this.x = key.getX(); - this.elSpec = new ElGamalParameterSpec(key.getParams().getP(), key.getParams().getG()); - } - - JCEElGamalPrivateKey( - ElGamalPrivateKeySpec spec) - { - this.x = spec.getX(); - this.elSpec = new ElGamalParameterSpec(spec.getParams().getP(), spec.getParams().getG()); - } - - JCEElGamalPrivateKey( - DHPrivateKeySpec spec) - { - this.x = spec.getX(); - this.elSpec = new ElGamalParameterSpec(spec.getP(), spec.getG()); - } - - JCEElGamalPrivateKey( - PrivateKeyInfo info) - throws IOException - { - ElGamalParameter params = ElGamalParameter.getInstance(info.getPrivateKeyAlgorithm().getParameters()); - ASN1Integer derX = ASN1Integer.getInstance(info.parsePrivateKey()); - - this.x = derX.getValue(); - this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG()); - } - - JCEElGamalPrivateKey( - ElGamalPrivateKeyParameters params) - { - this.x = params.getX(); - this.elSpec = new ElGamalParameterSpec(params.getParameters().getP(), params.getParameters().getG()); - } - - public String getAlgorithm() - { - return "ElGamal"; - } - - /** - * return the encoding format we produce in getEncoded(). - * - * @return the string "PKCS#8" - */ - public String getFormat() - { - return "PKCS#8"; - } - - /** - * Return a PKCS8 representation of the key. The sequence returned - * represents a full PrivateKeyInfo object. - * - * @return a PKCS8 representation of the key. - */ - public byte[] getEncoded() - { - return KeyUtil.getEncodedPrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG())), new ASN1Integer(getX())); - } - - public ElGamalParameterSpec getParameters() - { - return elSpec; - } - - public DHParameterSpec getParams() - { - return new DHParameterSpec(elSpec.getP(), elSpec.getG()); - } - - public BigInteger getX() - { - return x; - } - - private void readObject( - ObjectInputStream in) - throws IOException, ClassNotFoundException - { - x = (BigInteger)in.readObject(); - - this.elSpec = new ElGamalParameterSpec((BigInteger)in.readObject(), (BigInteger)in.readObject()); - } - - private void writeObject( - ObjectOutputStream out) - throws IOException - { - out.writeObject(this.getX()); - out.writeObject(elSpec.getP()); - out.writeObject(elSpec.getG()); - } - - 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(); - } -} |