Ejemplo n.º 1
0
 // see JCE spec
 protected AlgorithmParameters engineGetParameters() {
   if (iv == null) {
     return null;
   }
   IvParameterSpec ivSpec = new IvParameterSpec(iv);
   try {
     AlgorithmParameters params =
         AlgorithmParameters.getInstance(keyAlgorithm, P11Util.getSunJceProvider());
     params.init(ivSpec);
     return params;
   } catch (GeneralSecurityException e) {
     // NoSuchAlgorithmException, NoSuchProviderException
     // InvalidParameterSpecException
     throw new ProviderException("Could not encode parameters", e);
   }
 }
Ejemplo n.º 2
0
 // see JCE spec
 protected void engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random)
     throws InvalidKeyException, InvalidAlgorithmParameterException {
   byte[] ivValue;
   if (params != null) {
     try {
       IvParameterSpec ivSpec = (IvParameterSpec) params.getParameterSpec(IvParameterSpec.class);
       ivValue = ivSpec.getIV();
     } catch (InvalidParameterSpecException e) {
       throw new InvalidAlgorithmParameterException("Could not decode IV", e);
     }
   } else {
     ivValue = null;
   }
   implInit(opmode, key, ivValue, random);
 }