diff options
Diffstat (limited to 'libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/elgamal/BCElGamalPrivateKey.java')
-rw-r--r-- | libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/elgamal/BCElGamalPrivateKey.java | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/elgamal/BCElGamalPrivateKey.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/elgamal/BCElGamalPrivateKey.java deleted file mode 100644 index 4f02ba3fa..000000000 --- a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/asymmetric/elgamal/BCElGamalPrivateKey.java +++ /dev/null @@ -1,199 +0,0 @@ -package org.spongycastle.jcajce.provider.asymmetric.elgamal; - -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.spongycastle.asn1.ASN1Encodable; -import org.spongycastle.asn1.ASN1Encoding; -import org.spongycastle.asn1.ASN1Integer; -import org.spongycastle.asn1.ASN1ObjectIdentifier; -import org.spongycastle.asn1.ASN1Sequence; -import org.spongycastle.asn1.DERInteger; -import org.spongycastle.asn1.oiw.ElGamalParameter; -import org.spongycastle.asn1.oiw.OIWObjectIdentifiers; -import org.spongycastle.asn1.pkcs.PrivateKeyInfo; -import org.spongycastle.asn1.x509.AlgorithmIdentifier; -import org.spongycastle.crypto.params.ElGamalPrivateKeyParameters; -import org.spongycastle.jcajce.provider.asymmetric.util.PKCS12BagAttributeCarrierImpl; -import org.spongycastle.jce.interfaces.ElGamalPrivateKey; -import org.spongycastle.jce.interfaces.PKCS12BagAttributeCarrier; -import org.spongycastle.jce.spec.ElGamalParameterSpec; -import org.spongycastle.jce.spec.ElGamalPrivateKeySpec; - -public class BCElGamalPrivateKey - implements ElGamalPrivateKey, DHPrivateKey, PKCS12BagAttributeCarrier -{ - static final long serialVersionUID = 4819350091141529678L; - - private BigInteger x; - - private transient ElGamalParameterSpec elSpec; - private transient PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl(); - - protected BCElGamalPrivateKey() - { - } - - BCElGamalPrivateKey( - ElGamalPrivateKey key) - { - this.x = key.getX(); - this.elSpec = key.getParameters(); - } - - BCElGamalPrivateKey( - DHPrivateKey key) - { - this.x = key.getX(); - this.elSpec = new ElGamalParameterSpec(key.getParams().getP(), key.getParams().getG()); - } - - BCElGamalPrivateKey( - ElGamalPrivateKeySpec spec) - { - this.x = spec.getX(); - this.elSpec = new ElGamalParameterSpec(spec.getParams().getP(), spec.getParams().getG()); - } - - BCElGamalPrivateKey( - DHPrivateKeySpec spec) - { - this.x = spec.getX(); - this.elSpec = new ElGamalParameterSpec(spec.getP(), spec.getG()); - } - - BCElGamalPrivateKey( - PrivateKeyInfo info) - throws IOException - { - ElGamalParameter params = new ElGamalParameter((ASN1Sequence)info.getAlgorithmId().getParameters()); - DERInteger derX = ASN1Integer.getInstance(info.parsePrivateKey()); - - this.x = derX.getValue(); - this.elSpec = new ElGamalParameterSpec(params.getP(), params.getG()); - } - - BCElGamalPrivateKey( - 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() - { - try - { - PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(OIWObjectIdentifiers.elGamalAlgorithm, new ElGamalParameter(elSpec.getP(), elSpec.getG())), new DERInteger(getX())); - - return info.getEncoded(ASN1Encoding.DER); - } - catch (IOException e) - { - return null; - } - } - - public ElGamalParameterSpec getParameters() - { - return elSpec; - } - - public DHParameterSpec getParams() - { - return new DHParameterSpec(elSpec.getP(), elSpec.getG()); - } - - public BigInteger getX() - { - return x; - } - - public boolean equals( - Object o) - { - if (!(o instanceof DHPrivateKey)) - { - return false; - } - - DHPrivateKey other = (DHPrivateKey)o; - - return this.getX().equals(other.getX()) - && this.getParams().getG().equals(other.getParams().getG()) - && this.getParams().getP().equals(other.getParams().getP()) - && this.getParams().getL() == other.getParams().getL(); - } - - public int hashCode() - { - return this.getX().hashCode() ^ this.getParams().getG().hashCode() - ^ this.getParams().getP().hashCode() ^ this.getParams().getL(); - } - - private void readObject( - ObjectInputStream in) - throws IOException, ClassNotFoundException - { - in.defaultReadObject(); - - this.elSpec = new ElGamalParameterSpec((BigInteger)in.readObject(), (BigInteger)in.readObject()); - this.attrCarrier = new PKCS12BagAttributeCarrierImpl(); - } - - private void writeObject( - ObjectOutputStream out) - throws IOException - { - out.defaultWriteObject(); - - 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(); - } -} |