Exemplo n.º 1
0
  private static void runTest(boolean isUnlimited) throws Exception {
    System.out.println("Testing " + (isUnlimited ? "un" : "") + "limited policy...");

    String algo = "Blowfish";
    int keyLength = Cipher.getMaxAllowedKeyLength(algo);
    AlgorithmParameterSpec spec = Cipher.getMaxAllowedParameterSpec(algo);
    if (isUnlimited) {
      if ((keyLength != Integer.MAX_VALUE) || (spec != null)) {
        throw new Exception("Check for " + algo + " failed under unlimited policy");
      }
    } else {
      if ((keyLength != 128) || (spec != null)) {
        throw new Exception("Check for " + algo + " failed under default policy");
      }
    }
    algo = "RC5";
    keyLength = Cipher.getMaxAllowedKeyLength(algo);
    RC5ParameterSpec rc5param = (RC5ParameterSpec) Cipher.getMaxAllowedParameterSpec(algo);
    if (isUnlimited) {
      if ((keyLength != Integer.MAX_VALUE) || (rc5param != null)) {
        throw new Exception("Check for " + algo + " failed under unlimited policy");
      }
    } else {
      if ((keyLength != 128)
          || (rc5param.getRounds() != 12)
          || (rc5param.getVersion() != Integer.MAX_VALUE)
          || (rc5param.getWordSize() != Integer.MAX_VALUE)) {
        throw new Exception("Check for " + algo + " failed under default policy");
      }
    }
    System.out.println("All tests passed");
  }
Exemplo n.º 2
0
 public static void main(String[] args) throws Exception {
   // decide if the installed jurisdiction policy file is the
   // unlimited version
   boolean isUnlimited = true;
   Cipher c = Cipher.getInstance("AES", "SunJCE");
   try {
     c.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(new byte[24], "AES"));
   } catch (InvalidKeyException ike) {
     isUnlimited = false;
   }
   runTest(isUnlimited);
 }