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import jdk.test.lib.Asserts;
import jdk.test.lib.security.XMLUtils;

import javax.xml.crypto.dsig.DigestMethod;
import javax.xml.crypto.dsig.SignatureMethod;
import javax.xml.crypto.dsig.spec.RSAPSSParameterSpec;
import java.security.KeyPairGenerator;
import java.security.spec.MGF1ParameterSpec;
import java.security.spec.PSSParameterSpec;

/**
 * @test
 * @bug 8344137
 * @summary check RSASSA-PSS key
 * @library /test/lib
 * @modules java.xml.crypto
 */
public class PSS {

    public static void main(String[] args) throws Exception {

        var doc = XMLUtils.string2doc("<a><b>Text</b>Raw</a>");
        var kpg = KeyPairGenerator.getInstance("RSASSA-PSS");
        kpg.initialize(2048);
        var keyPair = kpg.generateKeyPair();

        var pspec = new PSSParameterSpec("SHA-384", "MGF1",
                MGF1ParameterSpec.SHA512, 48,
                PSSParameterSpec.TRAILER_FIELD_BC);

        var signed = XMLUtils.signer(keyPair.getPrivate(), keyPair.getPublic())
                .dm(DigestMethod.SHA384)
                .sm(SignatureMethod.RSA_PSS, new RSAPSSParameterSpec(pspec))
                .sign(doc);

        Asserts.assertTrue(XMLUtils.validator().validate(signed));
    }
}