76 lines
2.8 KiB
Java
76 lines
2.8 KiB
Java
/*
|
|
* 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;
|
|
}
|
|
}
|