t.Fatal(err)
		}
		secret, err := key.ECDH(peer)
		if err != nil {
			t.Fatal(err)
		}
		if !bytes.Equal(secret, hexDecode(t, v.SharedSecret)) {
			t.Errorf("shared secret does not match: %x %x %s %x", secret, sha256.Sum256(secret), v.SharedSecret,
				sha256.Sum256(hexDecode(t, v.SharedSecret)))
		}
	})
}

func hexDecode(t *testing.T, s string) []byte {
	b, err := hex.DecodeString(s)
	if err != nil {

  private static final String JAVA_LANG_ACCESS_CLASSNAME = "sun.misc.JavaLangAccess";

  /** SharedSecrets class name to load using reflection */
  @J2ktIncompatible
  @GwtIncompatible // not used by GWT emulation
  @VisibleForTesting
  static final String SHARED_SECRETS_CLASSNAME = "sun.misc.SharedSecrets";

  /** Access to some fancy internal JVM internals. */
  @J2ktIncompatible

  private static final String JAVA_LANG_ACCESS_CLASSNAME = "sun.misc.JavaLangAccess";

  /** SharedSecrets class name to load using reflection */
  @J2ktIncompatible
  @GwtIncompatible // not used by GWT emulation
  @VisibleForTesting
  static final String SHARED_SECRETS_CLASSNAME = "sun.misc.SharedSecrets";

  /** Access to some fancy internal JVM internals. */
  @J2ktIncompatible

    static Object javaLangAccess = null;

    static Method newStringUnsafeMethod = null;

    static {
        try {
            final Class<?> sharedSecretsClass = Class.forName("sun.misc.SharedSecrets");
            javaLangAccess = sharedSecretsClass.getDeclaredMethod("getJavaLangAccess").invoke(null);
            final Class<?> javaLangAccessClass = Class.forName("sun.misc.JavaLangAccess");