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1   /*
2    * Copyright (c) 2011, 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.pkcs11.wrapper;
27  
28  /**
29   * This class represents the necessary parameters required by
30   * the CKM_AES_CTR mechanism as defined in CK_AES_CTR_PARAMS structure.<p>
31   * <B>PKCS#11 structure:</B>
32   * <PRE>
33   * typedef struct CK_AES_CTR_PARAMS {
34   *   CK_ULONG ulCounterBits;
35   *   CK_BYTE cb[16];
36   * } CK_AES_CTR_PARAMS;
37   * </PRE>
38   *
39   * @author Yu-Ching Valerie Peng
40   * @since   1.7
41   */
42  public class CK_AES_CTR_PARAMS {
43  
44      private final long ulCounterBits;
45      private final byte cb[];
46  
47      public CK_AES_CTR_PARAMS(byte[] cb) {
48          ulCounterBits = 128;
49          this.cb = cb.clone();
50      }
51  
52      public String toString() {
53          StringBuffer buffer = new StringBuffer();
54  
55          buffer.append(Constants.INDENT);
56          buffer.append("ulCounterBits: ");
57          buffer.append(ulCounterBits);
58          buffer.append(Constants.NEWLINE);
59  
60          buffer.append(Constants.INDENT);
61          buffer.append("cb: ");
62          buffer.append(Functions.toHexString(cb));
63  
64          return buffer.toString();
65      }
66  }