DERObjectIdentifier sigOid,
String algorithmName)
{
if (noParams.contains(sigOid))
{
return new AlgorithmIdentifier(sigOid);
}
algorithmName = Strings.toUpperCase(algorithmName);
if (params.containsKey(algorithmName))
{
return new AlgorithmIdentifier(sigOid, (ASN1Encodable)params.get(algorithmName));
}
else
{
return new AlgorithmIdentifier(sigOid, DERNull.INSTANCE);
}
}