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/*
 * @test
 * @bug 8349849
 * @summary Verify that SunTlsKeyMaterial doesn't crash on TLS 1.2 parameters
 * @library /test/lib ..
 * @modules java.base/sun.security.internal.spec
 * @run main/othervm TestKeyMaterialMisuse
 */

import sun.security.internal.spec.TlsKeyMaterialParameterSpec;
import sun.security.internal.spec.TlsKeyMaterialSpec;

import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import java.security.Provider;
import java.security.ProviderException;
import java.util.Arrays;
import java.util.List;

public class TestKeyMaterialMisuse extends PKCS11Test {

    public static void main(String[] args) throws Exception {
        System.out.println("NSS Version: " + getNSSVersion());
        main(new TestKeyMaterialMisuse(), args);
    }

    @Override
    public void main(Provider provider) throws Exception {
        byte[] keyBytes = new byte[48];
        Arrays.fill(keyBytes, (byte)1);
        SecretKey master = new SecretKeySpec(keyBytes, "TlsMasterSecret");
        byte[] cr = "clientRandom".getBytes();
        byte[] sr = "serverRandom".getBytes();
        for (int minor : List.of(1, 3)) {
            try {
                // the algorithms below are deliberately reversed:
                // - SunTls12KeyMaterial is used with TLS 1.0,
                // - SunTlsKeyMaterial is used with TLS 1.2
                String algorithm = minor != 3 ?
                        "SunTls12KeyMaterial" :
                        "SunTlsKeyMaterial";
                System.out.println("Generating key material for version: " +
                        minor + " using algorithm: " + algorithm);

                KeyGenerator g = KeyGenerator.getInstance(algorithm, provider);
                TlsKeyMaterialParameterSpec spec =
                        new TlsKeyMaterialParameterSpec(
                                master, 3, minor, cr, sr,
                                "AES", 32, 0,
                                12, 32,
                                "SHA-256", 32, 128);
                g.init(spec);
                // generateKey crashed the JVM:
                TlsKeyMaterialSpec km = (TlsKeyMaterialSpec) g.generateKey();
                System.out.println("Success!");
            } catch (ProviderException e) {
                System.out.println("Got exception, not crash:");
                e.printStackTrace();
            }
        }
    }

}