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76 lines
1.8 KiB
76 lines
1.8 KiB
/*
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* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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/*
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* $Id: HMACParameterSpec.java,v 1.4 2005/05/10 16:40:17 mullan Exp $
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*/
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package javax.xml.crypto.dsig.spec;
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import javax.xml.crypto.dsig.SignatureMethod;
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/**
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* Parameters for the <a href="http://www.w3.org/TR/xmldsig-core/#sec-MACs">
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* XML Signature HMAC Algorithm</a>. The parameters include an optional output
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* length which specifies the MAC truncation length in bits. The resulting
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* HMAC will be truncated to the specified number of bits. If the parameter is
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* not specified, then this implies that all the bits of the hash are to be
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* output. The XML Schema Definition of the <code>HMACOutputLength</code>
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* element is defined as:
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* <pre><code>
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* <element name="HMACOutputLength" minOccurs="0" type="ds:HMACOutputLengthType"/>
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* <simpleType name="HMACOutputLengthType">
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* <restriction base="integer"/>
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* </simpleType>
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* </code></pre>
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*
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* @author Sean Mullan
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* @author JSR 105 Expert Group
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* @since 1.6
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* @see SignatureMethod
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* @see <a href="http://www.ietf.org/rfc/rfc2104.txt">RFC 2104</a>
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*/
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public final class HMACParameterSpec implements SignatureMethodParameterSpec {
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private int outputLength;
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/**
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* Creates an <code>HMACParameterSpec</code> with the specified truncation
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* length.
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*
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* @param outputLength the truncation length in number of bits
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*/
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public HMACParameterSpec(int outputLength) {
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this.outputLength = outputLength;
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}
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/**
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* Returns the truncation length.
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*
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* @return the truncation length in number of bits
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*/
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public int getOutputLength() {
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return outputLength;
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}
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}
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