diff options
Diffstat (limited to 'prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey.java')
| -rw-r--r-- | prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey.java | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey.java b/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey.java deleted file mode 100644 index d5516dce..00000000 --- a/prov/src/main/java/org/bouncycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey.java +++ /dev/null @@ -1,213 +0,0 @@ -package org.bouncycastle.jcajce.provider.asymmetric.dh; - -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.ASN1Encoding; -import org.bouncycastle.asn1.ASN1Integer; -import org.bouncycastle.asn1.ASN1ObjectIdentifier; -import org.bouncycastle.asn1.ASN1Sequence; -import org.bouncycastle.asn1.pkcs.DHParameter; -import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; -import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; -import org.bouncycastle.asn1.x509.AlgorithmIdentifier; -import org.bouncycastle.asn1.x9.DHDomainParameters; -import org.bouncycastle.asn1.x9.X9ObjectIdentifiers; -import org.bouncycastle.crypto.params.DHPrivateKeyParameters; -import org.bouncycastle.jcajce.provider.asymmetric.util.PKCS12BagAttributeCarrierImpl; -import org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier; - - -public class BCDHPrivateKey - implements DHPrivateKey, PKCS12BagAttributeCarrier -{ - static final long serialVersionUID = 311058815616901812L; - - private BigInteger x; - - private transient DHParameterSpec dhSpec; - private transient PrivateKeyInfo info; - - private transient PKCS12BagAttributeCarrierImpl attrCarrier = new PKCS12BagAttributeCarrierImpl(); - - protected BCDHPrivateKey() - { - } - - BCDHPrivateKey( - DHPrivateKey key) - { - this.x = key.getX(); - this.dhSpec = key.getParams(); - } - - BCDHPrivateKey( - DHPrivateKeySpec spec) - { - this.x = spec.getX(); - this.dhSpec = new DHParameterSpec(spec.getP(), spec.getG()); - } - - public BCDHPrivateKey( - PrivateKeyInfo info) - throws IOException - { - ASN1Sequence seq = ASN1Sequence.getInstance(info.getPrivateKeyAlgorithm().getParameters()); - ASN1Integer derX = (ASN1Integer)info.parsePrivateKey(); - ASN1ObjectIdentifier id = info.getPrivateKeyAlgorithm().getAlgorithm(); - - this.info = info; - this.x = derX.getValue(); - - if (id.equals(PKCSObjectIdentifiers.dhKeyAgreement)) - { - DHParameter params = DHParameter.getInstance(seq); - - if (params.getL() != null) - { - this.dhSpec = new DHParameterSpec(params.getP(), params.getG(), params.getL().intValue()); - } - else - { - this.dhSpec = new DHParameterSpec(params.getP(), params.getG()); - } - } - else if (id.equals(X9ObjectIdentifiers.dhpublicnumber)) - { - DHDomainParameters params = DHDomainParameters.getInstance(seq); - - this.dhSpec = new DHParameterSpec(params.getP().getValue(), params.getG().getValue()); - } - else - { - throw new IllegalArgumentException("unknown algorithm type: " + id); - } - } - - BCDHPrivateKey( - DHPrivateKeyParameters params) - { - this.x = params.getX(); - this.dhSpec = new DHParameterSpec(params.getParameters().getP(), params.getParameters().getG(), params.getParameters().getL()); - } - - public String getAlgorithm() - { - return "DH"; - } - - /** - * 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 - { - if (info != null) - { - return info.getEncoded(ASN1Encoding.DER); - } - - PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(PKCSObjectIdentifiers.dhKeyAgreement, new DHParameter(dhSpec.getP(), dhSpec.getG(), dhSpec.getL()).toASN1Primitive()), new ASN1Integer(getX())); - - return info.getEncoded(ASN1Encoding.DER); - } - catch (Exception e) - { - return null; - } - } - - public DHParameterSpec getParams() - { - return dhSpec; - } - - 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(); - } - - 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 - { - in.defaultReadObject(); - - this.dhSpec = new DHParameterSpec((BigInteger)in.readObject(), (BigInteger)in.readObject(), in.readInt()); - this.info = null; - this.attrCarrier = new PKCS12BagAttributeCarrierImpl(); - } - - private void writeObject( - ObjectOutputStream out) - throws IOException - { - out.defaultWriteObject(); - - out.writeObject(dhSpec.getP()); - out.writeObject(dhSpec.getG()); - out.writeInt(dhSpec.getL()); - } -} |