uTools-Manuals/docs/java/javax/xml/crypto/dsig/DigestMethod.html

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     javax.xml.crypto.dsig 
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<h2 class="title" title="Interface DigestMethod">Interface DigestMethod</h2>
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         All Superinterfaces: 
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<span><a href="../../../../javax/xml/crypto/AlgorithmMethod.html" title="javax.xml.crypto中的接口">AlgorithmMethod</a> ， <a href="../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口">XMLStructure</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">DigestMethod</span>
extends <a href="../../../../javax/xml/crypto/XMLStructure.html" title="interface in javax.xml.crypto">XMLStructure</a>, <a href="../../../../javax/xml/crypto/AlgorithmMethod.html" title="interface in javax.xml.crypto">AlgorithmMethod</a></pre>
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<span>W3C Recommendation for XML-Signature Syntax and Processing中定义的XML <code>DigestMethod</code>元素的<a href="http://www.w3.org/TR/xmldsig-core/">表示</a> 。</span>
<span>XML模式定义定义为：</span>
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<pre>  <span>&lt;element name="DigestMethod" type="ds:DigestMethodType"/&gt;
     &lt;complexType name="DigestMethodType" mixed="true"&gt;
       &lt;sequence&gt;
         &lt;any namespace="##any" minOccurs="0" maxOccurs="unbounded"/&gt;
           &lt;!-- (0,unbounded) elements from (1,1) namespace --&gt;
       &lt;/sequence&gt;
       &lt;attribute name="Algorithm" type="anyURI" use="required"/&gt;
     &lt;/complexType&gt;</span> </pre>
<span>可以通过调用<a href="../../../../javax/xml/crypto/dsig/XMLSignatureFactory.html" title="javax.xml.crypto.dsig中的类"><code>XMLSignatureFactory</code></a>类的<a href="../../../../javax/xml/crypto/dsig/XMLSignatureFactory.html#newDigestMethod-java.lang.String-javax.xml.crypto.dsig.spec.DigestMethodParameterSpec-"><code>newDigestMethod</code></a>方法来创建一个<code>DigestMethod</code>实例。</span>
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<span class="simpleTagLabel">从以下版本开始：</span>
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         1.6 
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<span class="seeLabel">另请参见：</span>
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<a href="../../../../javax/xml/crypto/dsig/XMLSignatureFactory.html#newDigestMethod-java.lang.String-javax.xml.crypto.dsig.spec.DigestMethodParameterSpec-"><code>XMLSignatureFactory.newDigestMethod(String, DigestMethodParameterSpec)</code></a>
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<span>Fields</span>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static <a href="../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/crypto/dsig/DigestMethod.html#RIPEMD160">RIPEMD160</a></span></code>
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<a href="http://www.w3.org/2001/04/xmlenc#ripemd160">RIPEMD-160</a>摘要方法算法URI。 
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<td class="colFirst"><code>static <a href="../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/crypto/dsig/DigestMethod.html#SHA1">SHA1</a></span></code>
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<a href="http://www.w3.org/2000/09/xmldsig#sha1">SHA1</a>摘要方法算法URI。 
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<td class="colFirst"><code>static <a href="../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/crypto/dsig/DigestMethod.html#SHA256">SHA256</a></span></code>
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<a href="http://www.w3.org/2001/04/xmlenc#sha256">SHA256</a>摘要方法算法URI。 
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<td class="colFirst"><code>static <a href="../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/crypto/dsig/DigestMethod.html#SHA512">SHA512</a></span></code>
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<a href="http://www.w3.org/2001/04/xmlenc#sha512">SHA512</a>摘要方法算法URI。 
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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<td class="colFirst"><code><a href="../../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/crypto/dsig/DigestMethod.html#getParameterSpec--">getParameterSpec</a></span>()</code>
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              返回与此DigestMethod相关的特定于算法的输入 
             <code>DigestMethod</code> 。 
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<li class="blockList"> <h4>SHA1</h4> <pre>static final <a href="../../../../java/lang/String.html" title="class in java.lang">String</a> SHA1</pre>
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<a href="http://www.w3.org/2000/09/xmldsig#sha1">SHA1</a>摘要方法算法URI。 
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<a href="../../../../constant-values.html#javax.xml.crypto.dsig.DigestMethod.SHA1">Constant Field Values</a>
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<li class="blockList"> <h4>SHA256</h4> <pre>static final <a href="../../../../java/lang/String.html" title="class in java.lang">String</a> SHA256</pre>
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<a href="http://www.w3.org/2001/04/xmlenc#sha256">SHA256</a>摘要方法算法URI。 
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<span class="seeLabel">另请参见：</span>
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<a href="../../../../constant-values.html#javax.xml.crypto.dsig.DigestMethod.SHA256">Constant Field Values</a>
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<li class="blockList"> <h4>SHA512</h4> <pre>static final <a href="../../../../java/lang/String.html" title="class in java.lang">String</a> SHA512</pre>
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<a href="http://www.w3.org/2001/04/xmlenc#sha512">SHA512</a>摘要方法算法URI。 
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<span class="seeLabel">另请参见：</span>
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<a href="../../../../constant-values.html#javax.xml.crypto.dsig.DigestMethod.SHA512">Constant Field Values</a>
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<li class="blockList"> <h4>RIPEMD160</h4> <pre>static final <a href="../../../../java/lang/String.html" title="class in java.lang">String</a> RIPEMD160</pre>
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<a href="http://www.w3.org/2001/04/xmlenc#ripemd160">RIPEMD-160</a>摘要方法算法URI。 
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<span class="seeLabel">另请参见：</span>
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<a href="../../../../constant-values.html#javax.xml.crypto.dsig.DigestMethod.RIPEMD160">Constant Field Values</a>
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<li class="blockList"> <h4>getParameterSpec</h4> <pre><a href="../../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> getParameterSpec()</pre>
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<span>返回与此<code>DigestMethod</code>相关联的特定于算法的输入<code>DigestMethod</code> 。</span>
<p> <span>返回的参数可以类型转换为<a href="../../../../javax/xml/crypto/dsig/spec/DigestMethodParameterSpec.html" title="javax.xml.crypto.dsig.spec中的接口"><code>DigestMethodParameterSpec</code></a>对象。</span> </p>
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../../../javax/xml/crypto/AlgorithmMethod.html#getParameterSpec--">getParameterSpec</a></code>在界面 
            <code><a href="../../../../javax/xml/crypto/AlgorithmMethod.html" title="interface in javax.xml.crypto">AlgorithmMethod</a></code>
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<span class="returnLabel">结果</span>
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             特定算法的参数（可以是 
            <code>null</code>如果未指定） 
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