Java tutorial
import java.security.AlgorithmParameters; import java.security.Security; import java.security.Signature; import java.security.spec.PSSParameterSpec; import org.bouncycastle.asn1.ASN1InputStream; import org.bouncycastle.asn1.util.ASN1Dump; public class MainClass { public static void main(String[] args) throws Exception { Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider()); Signature signature = Signature.getInstance("SHA1withRSAandMGF1", "BC"); signature.setParameter(PSSParameterSpec.DEFAULT); AlgorithmParameters params = signature.getParameters(); ASN1InputStream aIn = new ASN1InputStream(params.getEncoded("ASN.1")); System.out.println(ASN1Dump.dumpAsString(aIn.readObject())); } }