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/*
 * @test
 * @bug 8189441
 * @library /test/lib /test/jdk/sun/security/pkcs11
 * @summary make sure Generic is accepted by all KeyAgreement implementations
 * @run main Generic builtin
 * @run main/othervm Generic nss
 * @run main/othervm -DCUSTOM_P11_CONFIG_NAME=p11-nss-sensitive.txt Generic nss
 */
import jdk.test.lib.Asserts;

import javax.crypto.KeyAgreement;
import java.security.KeyPairGenerator;
import java.security.Provider;
import java.security.Security;
import java.util.List;

public class Generic {

    public static void main(String[] args) throws Exception {
        if (args[0].equals("nss")) {
            test(PKCS11Test.getSunPKCS11(PKCS11Test.getNssConfig()));
        } else {
            for (var p : Security.getProviders()) {
                test(p);
            }
        }
    }

    static void test(Provider p) throws Exception {
        for (var s : p.getServices()) {
            if (s.getType().equalsIgnoreCase("KeyAgreement")) {
                try {
                    System.out.println(s.getProvider().getName() + "." + s.getAlgorithm());
                    var g = KeyPairGenerator.getInstance(ka2kpg(s.getAlgorithm()), p);
                    var kp1 = g.generateKeyPair();
                    var kp2 = g.generateKeyPair();
                    var ka = KeyAgreement.getInstance(s.getAlgorithm(), s.getProvider());
                    for (var alg : List.of("TlsPremasterSecret", "Generic")) {
                        ka.init(kp1.getPrivate());
                        ka.doPhase(kp2.getPublic(), true);
                        Asserts.assertEquals(
                                ka.generateSecret(alg).getAlgorithm(), alg);
                    }
                } catch (Exception e) {
                    throw e;
                }
            }
        }
    }

    // Find key algorithm from KeyAgreement algorithm
    private static String ka2kpg(String ka) {
        return ka.equals("ECDH") ? "EC" : ka;
    }
}