JCEECPrivateKeypublic class JCEECPrivateKey extends Object implements org.bouncycastle.jce.interfaces.ECPrivateKey, org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier
| Fields Summary |
|---|
| private String | algorithm | | private BigInteger | d | | private org.bouncycastle.jce.spec.ECParameterSpec | ecSpec | | private Hashtable | pkcs12Attributes | | private Vector | pkcs12Ordering |
| Constructors Summary |
|---|
protected JCEECPrivateKey()
| JCEECPrivateKey(org.bouncycastle.jce.interfaces.ECPrivateKey key)
this.d = key.getD();
this.algorithm = key.getAlgorithm();
this.ecSpec = key.getParams();
| JCEECPrivateKey(String algorithm, org.bouncycastle.jce.spec.ECPrivateKeySpec spec)
this.algorithm = algorithm;
this.d = spec.getD();
this.ecSpec = spec.getParams();
| JCEECPrivateKey(String algorithm, org.bouncycastle.crypto.params.ECPrivateKeyParameters params, org.bouncycastle.jce.spec.ECParameterSpec spec)
ECDomainParameters dp = params.getParameters();
this.algorithm = algorithm;
this.d = params.getD();
if (spec == null)
{
this.ecSpec = new ECParameterSpec(
dp.getCurve(),
dp.getG(),
dp.getN(),
dp.getH(),
dp.getSeed());
}
else
{
this.ecSpec = spec;
}
| JCEECPrivateKey(org.bouncycastle.asn1.pkcs.PrivateKeyInfo info)
X962Parameters params = new X962Parameters((DERObject)info.getAlgorithmId().getParameters());
if (params.isNamedCurve())
{
DERObjectIdentifier oid = (DERObjectIdentifier)params.getParameters();
X9ECParameters ecP = X962NamedCurves.getByOID(oid);
ecSpec = new ECNamedCurveParameterSpec(
X962NamedCurves.getName(oid),
ecP.getCurve(),
ecP.getG(),
ecP.getN(),
ecP.getH(),
ecP.getSeed());
}
else
{
X9ECParameters ecP = new X9ECParameters((ASN1Sequence)params.getParameters());
ecSpec = new ECParameterSpec(ecP.getCurve(),
ecP.getG(),
ecP.getN(),
ecP.getH(),
ecP.getSeed());
}
if (info.getPrivateKey() instanceof DERInteger)
{
DERInteger derD = (DERInteger)info.getPrivateKey();
this.d = derD.getValue();
}
else
{
ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence)info.getPrivateKey());
this.d = ec.getKey();
}
|
| Methods Summary |
|---|
| public java.lang.String | getAlgorithm()
return algorithm;
| | public org.bouncycastle.asn1.DEREncodable | getBagAttribute(org.bouncycastle.asn1.DERObjectIdentifier oid)
return (DEREncodable)pkcs12Attributes.get(oid);
| | public java.util.Enumeration | getBagAttributeKeys()
return pkcs12Ordering.elements();
| | public java.math.BigInteger | getD()
return d;
| | public byte[] | getEncoded()Return a PKCS8 representation of the key. The sequence returned
represents a full PrivateKeyInfo object.
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
DEROutputStream dOut = new DEROutputStream(bOut);
X962Parameters params = null;
if (ecSpec instanceof ECNamedCurveParameterSpec)
{
params = new X962Parameters(X962NamedCurves.getOID(((ECNamedCurveParameterSpec)ecSpec).getName()));
}
else
{
X9ECParameters ecP = new X9ECParameters(
ecSpec.getCurve(),
ecSpec.getG(),
ecSpec.getN(),
ecSpec.getH(),
ecSpec.getSeed());
params = new X962Parameters(ecP);
}
PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());
try
{
dOut.writeObject(info);
dOut.close();
}
catch (IOException e)
{
throw new RuntimeException("Error encoding EC private key");
}
return bOut.toByteArray();
| | public java.lang.String | getFormat()return the encoding format we produce in getEncoded().
return "PKCS#8";
| | public org.bouncycastle.jce.spec.ECParameterSpec | getParams()
return ecSpec;
| | public void | setBagAttribute(org.bouncycastle.asn1.DERObjectIdentifier oid, org.bouncycastle.asn1.DEREncodable attribute)
pkcs12Attributes.put(oid, attribute);
pkcs12Ordering.addElement(oid);
|
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