}
public byte[] getEncoded()
{
ASN1Encodable params;
SubjectPublicKeyInfo info;
if (algorithm.equals("DSTU4145"))
{
if (dstuParams != null)
{
params = dstuParams;
}
else
{
if (ecSpec instanceof ECNamedCurveSpec)
{
params = new DSTU4145Params(new ASN1ObjectIdentifier(((ECNamedCurveSpec)ecSpec).getName()));
}
else
{ // strictly speaking this may not be applicable...
ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
X9ECParameters ecP = new X9ECParameters(
curve,
EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
ecSpec.getOrder(),
BigInteger.valueOf(ecSpec.getCofactor()),
ecSpec.getCurve().getSeed());
params = new X962Parameters(ecP);
}
}
byte[] encKey = DSTU4145PointEncoder.encodePoint(this.q);
try
{
info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(UAObjectIdentifiers.dstu4145be, params), new DEROctetString(encKey));
}
catch (IOException e)
{
return null;
}
}
else
{
if (ecSpec instanceof ECNamedCurveSpec)
{
ASN1ObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec)ecSpec).getName());
if (curveOid == null)
{
curveOid = new ASN1ObjectIdentifier(((ECNamedCurveSpec)ecSpec).getName());
}
params = new X962Parameters(curveOid);
}
else if (ecSpec == null)
{
params = new X962Parameters(DERNull.INSTANCE);
}
else
{
ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
X9ECParameters ecP = new X9ECParameters(
curve,
EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression),
ecSpec.getOrder(),
BigInteger.valueOf(ecSpec.getCofactor()),
ecSpec.getCurve().getSeed());
params = new X962Parameters(ecP);
}
ECCurve curve = this.engineGetQ().getCurve();
ASN1OctetString p = (ASN1OctetString)
new X9ECPoint(curve.createPoint(this.getQ().getX().toBigInteger(), this.getQ().getY().toBigInteger(), withCompression)).toASN1Primitive();
info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params), p.getOctets());
}
return KeyUtil.getEncodedSubjectPublicKeyInfo(info);
}