| /* |
| * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| /* |
| * $Id: HMACParameterSpec.java,v 1.4 2005/05/10 16:40:17 mullan Exp $ |
| */ |
| package javax.xml.crypto.dsig.spec; |
| |
| import javax.xml.crypto.dsig.SignatureMethod; |
| |
| /** |
| * Parameters for the <a href="http://www.w3.org/TR/xmldsig-core/#sec-MACs"> |
| * XML Signature HMAC Algorithm</a>. The parameters include an optional output |
| * length which specifies the MAC truncation length in bits. The resulting |
| * HMAC will be truncated to the specified number of bits. If the parameter is |
| * not specified, then this implies that all the bits of the hash are to be |
| * output. The XML Schema Definition of the <code>HMACOutputLength</code> |
| * element is defined as: |
| * <pre><code> |
| * <element name="HMACOutputLength" minOccurs="0" type="ds:HMACOutputLengthType"/> |
| * <simpleType name="HMACOutputLengthType"> |
| * <restriction base="integer"/> |
| * </simpleType> |
| * </code></pre> |
| * |
| * @author Sean Mullan |
| * @author JSR 105 Expert Group |
| * @since 1.6 |
| * @see SignatureMethod |
| * @see <a href="http://www.ietf.org/rfc/rfc2104.txt">RFC 2104</a> |
| */ |
| public final class HMACParameterSpec implements SignatureMethodParameterSpec { |
| |
| private int outputLength; |
| |
| /** |
| * Creates an <code>HMACParameterSpec</code> with the specified truncation |
| * length. |
| * |
| * @param outputLength the truncation length in number of bits |
| */ |
| public HMACParameterSpec(int outputLength) { |
| this.outputLength = outputLength; |
| } |
| |
| /** |
| * Returns the truncation length. |
| * |
| * @return the truncation length in number of bits |
| */ |
| public int getOutputLength() { |
| return outputLength; |
| } |
| } |