1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.security.provider;
  27 
  28 import java.security.DrbgParameters;
  29 import java.security.SecureRandomParameters;
  30 
  31 /**
  32  * Extra non-standard parameters that can be used by DRBGs.
  33  */
  34 public class MoreDrbgParameters implements SecureRandomParameters {
  35 
  36     final String mech;
  37     final String algorithm;
  38     final EntropySource es;
  39     final byte[] nonce;
  40     final boolean usedf;
  41     final DrbgParameters.Instantiate config;
  42 
  43     /**
  44      * Creates a new {@code MoreDrbgParameters} object.
  45      *
  46      * @param es the {@link EntropySource} to use, set to {@code null}
  47      *           and a default entropy source will be used.
  48      * @param mech mech name, can be {@code null}
  49      * @param algorithm the requested algorithm to use, set to {@code null}
  50      *                  and the algorithm will be decided by strength.
  51      * @param nonce the nonce to use, set to {@code null} and
  52      *              a nonce will be assigned.
  53      * @param usedf whether a derivation function should be used
  54      * @param config a {@link DrbgParameters.Instantiate} object
  55      */
  56     public MoreDrbgParameters(EntropySource es, String mech,
  57                               String algorithm, byte[] nonce,
  58                               boolean usedf, DrbgParameters.Instantiate config) {
  59         this.mech = mech;
  60         this.algorithm = algorithm;
  61         this.es = es;
  62         this.nonce = nonce;
  63         this.usedf = usedf;
  64         this.config = config;
  65     }
  66 }