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<div class="header">
<div class="subTitle">
compact3
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<div class="subTitle">
javax.xml.crypto.dsig.keyinfo
</div>
<h2 class="title" title="Class KeyInfoFactory">Class KeyInfoFactory</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li>javax.xml.crypto.dsig.keyinfo.KeyInfoFactory</li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">KeyInfoFactory</span>
extends <a href="../../../../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
<div class="block">
<span>从零开始创建<a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfo.html" title="javax.xml.crypto.dsig.keyinfo中的接口"><code>KeyInfo</code>个</a>对象的工厂，或从相应的XML表示中解组<code>KeyInfo</code>对象。</span>
<p> <span><code>KeyInfoFactory</code>每个实例<code>KeyInfoFactory</code>支持特定的XML机制类型。</span> <span>要创建一个<code>KeyInfoFactory</code> ，请调用静态<a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#getInstance-java.lang.String-"><code>getInstance</code></a>方法之一，传递所需的XML机制类型，例如：</span> </p>
<blockquote>
<span><code> KeyInfoFactory factory = KeyInfoFactory.getInstance("DOM"); </code></span>
</blockquote>
<p> <span>该工厂生产的对象将基于DOM，并遵守API概述中<a href="../../../../../../technotes/guides/security/xmldsig/overview.html#DOM Mechanism Requirements">DOM Mechanism Requirements</a>部分定义的DOM互操作性要求。</span> <span>有关标准机制类型的列表，请参阅API概述的<a href="../../../../../../technotes/guides/security/xmldsig/overview.html#Service Provider">Service Providers</a>部分。</span> </p>
<p> <span><code>KeyInfoFactory</code>机制注册和加载<a href="../../../../../java/security/Provider.html" title="java.security中的类">KeyInfoFactory</a>实现。</span> <span>例如，支持DOM机制的服务提供商将在<code>Provider</code>子类中<code>Provider</code>为：</span> </p>
<pre> <span>put("KeyInfoFactory.DOM", "org.example.DOMKeyInfoFactory");</span> </pre>
<p> <span>此外，由该工厂创建的<code>XMLStructure</code> s可能包含特定于<code>KeyInfo</code>状态，并不意图重复使用。</span> </p>
<p> <span>实现必须最低限度地支持默认机制类型：DOM。</span> </p>
<p> <span>注意，调用者必须使用相同<code>KeyInfoFactory</code>实例创建<code>XMLStructure</code>特定的第<code>KeyInfo</code>对象。</span> <span>如果来自不同提供商的<code>XMLStructure</code> s或不同机制类型一起使用，行为是未定义的。</span> </p>
<p> <span><b>并发访问</b></span> </p>
<p> <span>该类的静态方法保证线程安全。</span> <span>多个线程可以同时调用此类中定义的静态方法，而不会产生不良影响。</span> </p>
<p> <span>但是，对于此类定义的非静态方法，这不是真的。</span> <span>除非特定提供者另有说明，否则需要同时访问单个<code>KeyInfoFactory</code>实例的线程应在其间同步并提供必要的锁定。</span> <span>每个操作不同<code>KeyInfoFactory</code>实例的多个线程不需要同步。</span> </p>
</div>
<dl>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
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<dd>
1.6
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<span>构造方法</span>
<span class="tabEnd"> </span>
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<tbody>
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<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#KeyInfoFactory--">KeyInfoFactory</a></span>()</code>
<div class="block">
默认构造函数，用于由子类调用。
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t1"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor" id="i0">
<td class="colFirst"><code>static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#getInstance--">getInstance</a></span>()</code>
<div class="block">
返回一个
<code>KeyInfoFactory</code>支持默认XML处理机制和表示类型（“DOM”）。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#getInstance-java.lang.String-">getInstance</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> mechanismType)</code>
<div class="block">
返回一个
<code>KeyInfoFactory</code>支持指定的XML处理机制和表示类型（比如：“DOM”）。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#getInstance-java.lang.String-java.security.Provider-">getInstance</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> mechanismType, <a href="../../../../../java/security/Provider.html" title="class in java.security">Provider</a> provider)</code>
<div class="block">
返回一个
<code>KeyInfoFactory</code> ，它支持由指定的提供
<code>KeyInfoFactory</code>提供的请求的XML处理机制和表示类型（例如：“DOM”）。
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#getInstance-java.lang.String-java.lang.String-">getInstance</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> mechanismType, <a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> provider)</code>
<div class="block">
返回一个
<code>KeyInfoFactory</code> ，它支持由指定提供
<code>KeyInfoFactory</code>提供的请求的XML处理机制和表示类型（例如：“DOM”）。
</div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code><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/keyinfo/KeyInfoFactory.html#getMechanismType--">getMechanismType</a></span>()</code>
<div class="block">
返回此
<code>KeyInfoFactory</code> （例如：“DOM”）支持的XML处理机制和表示形式
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code><a href="../../../../../java/security/Provider.html" title="class in java.security">Provider</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#getProvider--">getProvider</a></span>()</code>
<div class="block">
返回此
<code>KeyInfoFactory</code>的提供者。
</div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/URIDereferencer.html" title="interface in javax.xml.crypto">URIDereferencer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#getURIDereferencer--">getURIDereferencer</a></span>()</code>
<div class="block">
<span>返回对URIDereferencer的引用，该<code>URIDereferencer</code>默认情况下用于取消<a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html" title="javax.xml.crypto.dsig.keyinfo中的接口">引用<code>RetrievalMethod</code>个</a>对象中的URI。</span>
</div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>abstract boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#isFeatureSupported-java.lang.String-">isFeatureSupported</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> feature)</code>
<div class="block">
指示是否支持指定的功能。
</div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfo.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newKeyInfo-java.util.List-">newKeyInfo</a></span>(<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> content)</code>
<div class="block">
创建包含
<code>KeyInfo</code>的关键信息类型列表的KeyInfo。
</div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfo.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newKeyInfo-java.util.List-java.lang.String-">newKeyInfo</a></span>(<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> content, <a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> id)</code>
<div class="block">
创建一个
<code>KeyInfo</code>其中包含指定的关键信息类型和可选标识列表。
</div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyName.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyName</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newKeyName-java.lang.String-">newKeyName</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> name)</code>
<div class="block">
从指定的名称创建一个
<code>KeyName</code> 。
</div> </td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyValue.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyValue</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newKeyValue-java.security.PublicKey-">newKeyValue</a></span>(<a href="../../../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a> key)</code>
<div class="block">
从指定的公钥创建一个
<code>KeyValue</code> 。
</div> </td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/PGPData.html" title="interface in javax.xml.crypto.dsig.keyinfo">PGPData</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newPGPData-byte:A-">newPGPData</a></span>(byte[] keyId)</code>
<div class="block">
创建一个
<code>PGPData</code>根据指定的PGP公钥标识符。
</div> </td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/PGPData.html" title="interface in javax.xml.crypto.dsig.keyinfo">PGPData</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newPGPData-byte:A-byte:A-java.util.List-">newPGPData</a></span>(byte[] keyId, byte[] keyPacket, <a href="../../../../../java/util/List.html" title="interface in java.util">List</a> other)</code>
<div class="block">
根据指定的PGP公开密钥标识符和可选的密钥材料数据包和外部元素列表创建
<code>PGPData</code> 。
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<tr class="altColor" id="i14">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/PGPData.html" title="interface in javax.xml.crypto.dsig.keyinfo">PGPData</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newPGPData-byte:A-java.util.List-">newPGPData</a></span>(byte[] keyPacket, <a href="../../../../../java/util/List.html" title="interface in java.util">List</a> other)</code>
<div class="block">
从指定的PGP密钥材料数据包和外部元素的可选列表中创建
<code>PGPData</code> 。
</div> </td>
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<tr class="rowColor" id="i15">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html" title="interface in javax.xml.crypto.dsig.keyinfo">RetrievalMethod</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newRetrievalMethod-java.lang.String-">newRetrievalMethod</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> uri)</code>
<div class="block">
从指定的URI创建一个
<code>RetrievalMethod</code> 。
</div> </td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html" title="interface in javax.xml.crypto.dsig.keyinfo">RetrievalMethod</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newRetrievalMethod-java.lang.String-java.lang.String-java.util.List-">newRetrievalMethod</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> uri, <a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> type, <a href="../../../../../java/util/List.html" title="interface in java.util">List</a> transforms)</code>
<div class="block">
创建
<code>RetrievalMethod</code>从指定的参数。
</div> </td>
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<tr class="rowColor" id="i17">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/X509Data.html" title="interface in javax.xml.crypto.dsig.keyinfo">X509Data</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newX509Data-java.util.List-">newX509Data</a></span>(<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> content)</code>
<div class="block">
创建一个
<code>X509Data</code>指定的X.509内容列表的X509Data。
</div> </td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/X509IssuerSerial.html" title="interface in javax.xml.crypto.dsig.keyinfo">X509IssuerSerial</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newX509IssuerSerial-java.lang.String-java.math.BigInteger-">newX509IssuerSerial</a></span>(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> issuerName, <a href="../../../../../java/math/BigInteger.html" title="class in java.math">BigInteger</a> serialNumber)</code>
<div class="block">
从指定的X.500发行人可分辨名称和序列号创建
<code>X509IssuerSerial</code> 。
</div> </td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code>abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfo.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#unmarshalKeyInfo-javax.xml.crypto.XMLStructure-">unmarshalKeyInfo</a></span>(<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="interface in javax.xml.crypto">XMLStructure</a> xmlStructure)</code>
<div class="block">
<span>从机制特定的<code>XMLStructure</code> （例如： <a href="../../../../../javax/xml/crypto/dom/DOMStructure.html" title="javax.xml.crypto.dom中的类"><code>DOMStructure</code></a> ）实例解组新的<code>KeyInfo</code>实例。</span>
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默认构造函数，用于由子类调用。
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<li class="blockList"> <h4>getInstance</h4> <pre>public static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a> getInstance(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> mechanismType)</pre>
<div class="block">
<span>返回一个<code>KeyInfoFactory</code>支持指定的XML处理机制和表示类型（比如：“DOM”）。</span>
<p> <span>此方法使用标准的JCA提供查找机制来查找并实例化<code>KeyInfoFactory</code>实现期望的机构的类型。</span> <span>它通过注册安全性列表<code>Provider</code> s，从最优选的<code>Provider</code> 。</span> <span>返回支持指定机制的第一个<code>Provider</code>新的<code>KeyInfoFactory</code>对象。</span> </p>
<p> <span>请注意，注册提供商的列表可以通过<a href="../../../../../java/security/Security.html#getProviders--"><code>Security.getProviders()</code></a>方法<a href="../../../../../java/security/Security.html#getProviders--">检索</a> 。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>mechanismType</code> - XML处理机制和表示的类型。</span>
<span>有关标准机制类型的列表，请参阅API概述的<a href="../../../../../../technotes/guides/security/xmldsig/overview.html#Service Provider">Service Providers</a>部分。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个新的
<code>KeyInfoFactory</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>mechanismType</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../javax/xml/crypto/NoSuchMechanismException.html" title="class in javax.xml.crypto">NoSuchMechanismException</a></code> - 如果没有
<code>Provider</code>支持
<code>KeyInfoFactory</code>机制的KeyInfoFactory实现
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../../../java/security/Provider.html" title="java.security中的类"><code>Provider</code></a></span>
</dd>
</dl> </li>
</ul> <a name="getInstance-java.lang.String-java.security.Provider-">
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<ul class="blockList">
<li class="blockList"> <h4>getInstance</h4> <pre>public static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a> getInstance(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> mechanismType,
<a href="../../../../../java/security/Provider.html" title="class in java.security">Provider</a> provider)</pre>
<div class="block">
<span>返回一个<code>KeyInfoFactory</code> ，它支持由指定的提供<code>KeyInfoFactory</code>提供的请求的XML处理机制和表示类型（例如：“DOM”）。</span>
<span>请注意，指定的<code>Provider</code>对象不必在提供者列表中注册。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>mechanismType</code> - XML处理机制和表示的类型。</span>
<span>有关标准机制类型的列表，请参阅API概述的<a href="../../../../../../technotes/guides/security/xmldsig/overview.html#Service Provider">Service Providers</a>部分。</span>
</dd>
<dd>
<code>provider</code> -
<code>Provider</code>对象
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个新的
<code>KeyInfoFactory</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>mechanismType</code>或
<code>provider</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../javax/xml/crypto/NoSuchMechanismException.html" title="class in javax.xml.crypto">NoSuchMechanismException</a></code> - 如果指定
<code>KeyInfoFactory</code> KeyInfoFactory实现从指定的
<code>Provider</code>对象不可
<code>Provider</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../../../java/security/Provider.html" title="java.security中的类"><code>Provider</code></a></span>
</dd>
</dl> </li>
</ul> <a name="getInstance-java.lang.String-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>getInstance</h4> <pre>public static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a> getInstance(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> mechanismType,
<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> provider)
throws <a href="../../../../../java/security/NoSuchProviderException.html" title="class in java.security">NoSuchProviderException</a></pre>
<div class="block">
<span>返回一个<code>KeyInfoFactory</code> ，它支持由指定的提供<code>KeyInfoFactory</code>提供的请求的XML处理机制和表示类型（例如：“DOM”）。</span>
<span>指定的提供者必须在安全提供程序列表中注册。</span>
<p> <span>请注意，注册提供商的列表可以通过<a href="../../../../../java/security/Security.html#getProviders--"><code>Security.getProviders()</code></a>方法<a href="../../../../../java/security/Security.html#getProviders--">检索</a> 。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>mechanismType</code> - XML处理机制和表示的类型。</span>
<span>有关标准机制类型的列表，请参阅API概述的<a href="../../../../../../technotes/guides/security/xmldsig/overview.html#Service Provider">Service Providers</a>部分。</span>
</dd>
<dd>
<code>provider</code> - 提供者的字符串名称
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个新的
<code>KeyInfoFactory</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/security/NoSuchProviderException.html" title="class in java.security">NoSuchProviderException</a></code> - 如果指定的提供程序未在安全提供程序列表中注册
</dd>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>mechanismType</code>或
<code>provider</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../javax/xml/crypto/NoSuchMechanismException.html" title="class in javax.xml.crypto">NoSuchMechanismException</a></code> - 如果指定
<code>KeyInfoFactory</code> KeyInfoFactory实现不能从指定的提供者
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../../../java/security/Provider.html" title="java.security中的类"><code>Provider</code></a></span>
</dd>
</dl> </li>
</ul> <a name="getInstance--">
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<ul class="blockList">
<li class="blockList"> <h4>getInstance</h4> <pre>public static <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="class in javax.xml.crypto.dsig.keyinfo">KeyInfoFactory</a> getInstance()</pre>
<div class="block">
<span>返回一个<code>KeyInfoFactory</code>支持默认XML处理机制和表示类型（“DOM”）。</span>
<p> <span>此方法使用标准的JCA提供者查找机制来查找并实例化一个<code>KeyInfoFactory</code>实现默认机制类型。</span> <span>它通过注册安全性列表<code>Provider</code> s，从最优选的<code>Provider</code> 。</span> <span>返回支持DOM机制的第一个<code>Provider</code>新的<code>KeyInfoFactory</code>对象。</span> </p>
<p> <span>请注意，注册提供商的列表可以通过<a href="../../../../../java/security/Security.html#getProviders--"><code>Security.getProviders()</code></a>方法<a href="../../../../../java/security/Security.html#getProviders--">检索</a> 。</span> </p>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个新的
<code>KeyInfoFactory</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../javax/xml/crypto/NoSuchMechanismException.html" title="class in javax.xml.crypto">NoSuchMechanismException</a></code> -如果没有
<code>Provider</code>支持
<code>KeyInfoFactory</code>实施DOM机制
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../../../java/security/Provider.html" title="java.security中的类"><code>Provider</code></a></span>
</dd>
</dl> </li>
</ul> <a name="getMechanismType--">
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<ul class="blockList">
<li class="blockList"> <h4>getMechanismType</h4> <pre>public final <a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> getMechanismType()</pre>
<div class="block">
通过这个返回支持的XML处理机制和表示类型
<code>KeyInfoFactory</code> （比如：“DOM”）
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
通过此支持的XML处理机制类型
<code>KeyInfoFactory</code>
</dd>
</dl> </li>
</ul> <a name="getProvider--">
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<ul class="blockList">
<li class="blockList"> <h4>getProvider</h4> <pre>public final <a href="../../../../../java/security/Provider.html" title="class in java.security">Provider</a> getProvider()</pre>
<div class="block">
返回此
<code>KeyInfoFactory</code>的提供者。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
这个
<code>KeyInfoFactory</code>的提供者
</dd>
</dl> </li>
</ul> <a name="newKeyInfo-java.util.List-">
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<ul class="blockList">
<li class="blockList"> <h4>newKeyInfo</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfo.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyInfo</a> newKeyInfo(<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> content)</pre>
<div class="block">
创建包含
<code>KeyInfo</code>的关键信息类型列表的KeyInfo。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>content</code> - 表示密钥信息类型的一个或多个<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code></a>的列表。</span>
<span>该列表被防御复制以防止后续修改。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>KeyInfo</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>content</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果
<code>content</code>为空
</dd>
<dd>
<span><code><a href="../../../../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</a></code> - 如果<code>content</code>包含任何不是类型<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code>的条目</a></span>
</dd>
</dl> </li>
</ul> <a name="newKeyInfo-java.util.List-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>newKeyInfo</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfo.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyInfo</a> newKeyInfo(<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> content,
<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> id)</pre>
<div class="block">
<span>创建一个<code>KeyInfo</code>其中包含指定的关键信息类型和可选标识列表。</span>
<span>所述<code>id</code>参数表示XML的值<code>ID</code>属性，是用于参考有用<code>KeyInfo</code>从其他XML结构。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>content</code> - 表示关键信息类型的一个或多个<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code></a> s的列表。</span>
<span>该列表被防御复制以防止后续修改。</span>
</dd>
<dd>
<code>id</code> - 一个XML的值
<code>ID</code> （可能是
<code>null</code> ）
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>KeyInfo</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>content</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果
<code>content</code>为空
</dd>
<dd>
<span><code><a href="../../../../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</a></code> - 如果<code>content</code>包含任何不是类型<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code>的条目</a></span>
</dd>
</dl> </li>
</ul> <a name="newKeyName-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>newKeyName</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyName.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyName</a> newKeyName(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> name)</pre>
<div class="block">
从指定的名称创建一个
<code>KeyName</code> 。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>name</code> - 标识密钥的名称
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>KeyName</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>name</code>是
<code>null</code>
</dd>
</dl> </li>
</ul> <a name="newKeyValue-java.security.PublicKey-">
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<ul class="blockList">
<li class="blockList"> <h4>newKeyValue</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyValue.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyValue</a> newKeyValue(<a href="../../../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a> key)
throws <a href="../../../../../java/security/KeyException.html" title="class in java.security">KeyException</a></pre>
<div class="block">
从指定的公钥中创建一个
<code>KeyValue</code> 。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>key</code> - 公钥
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>KeyValue</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/security/KeyException.html" title="class in java.security">KeyException</a></code> - 如果
<code>key</code>的算法未被该
<code>KeyInfoFactory</code>识别或
<code>KeyInfoFactory</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>key</code>是
<code>null</code>
</dd>
</dl> </li>
</ul> <a name="newPGPData-byte:A-">
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<ul class="blockList">
<li class="blockList"> <h4>newPGPData</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/PGPData.html" title="interface in javax.xml.crypto.dsig.keyinfo">PGPData</a> newPGPData(byte[] keyId)</pre>
<div class="block">
创建一个
<code>PGPData</code>根据指定的PGP公钥标识符。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>keyId</code> - <a href="http://www.ietf.org/rfc/rfc2440.txt">RFC 2440</a>第11.2节中定义的PGP公钥标识符。</span>
<span>克隆阵列以防止后续修改。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>PGPData</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>keyId</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果密钥ID不正确的格式
</dd>
</dl> </li>
</ul> <a name="newPGPData-byte:A-byte:A-java.util.List-">
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<ul class="blockList">
<li class="blockList"> <h4>newPGPData</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/PGPData.html" title="interface in javax.xml.crypto.dsig.keyinfo">PGPData</a> newPGPData(byte[] keyId,
byte[] keyPacket,
<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> other)</pre>
<div class="block">
从指定的PGP公共密钥标识符和可选的密钥材料数据包和外部元素列表创建
<code>PGPData</code> 。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>keyId</code> - <a href="http://www.ietf.org/rfc/rfc2440.txt">RFC 2440</a>第11.2节中定义的PGP公钥标识符。</span>
<span>克隆阵列以防止后续修改。</span>
</dd>
<dd>
<span><code>keyPacket</code> - <a href="http://www.ietf.org/rfc/rfc2440.txt">RFC 2440</a>第5.5节定义的PGP密钥资料包。</span>
<span>克隆阵列以防止后续修改。</span>
<span>可能是<code>null</code> 。</span>
</dd>
<dd>
<span><code>other</code> - 表示来自外部命名空间的元素的<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code></a> s的列表。</span>
<span>该列表被防御复制以防止后续修改。</span>
<span>可能是<code>null</code>或空。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>PGPData</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>keyId</code>是
<code>null</code>
</dd>
<dd>
<span><code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果<code>keyId</code>或<code>keyPacket</code>不是正确的格式。</span>
<span>对于<code>keyPacket</code> ，检查数据包头的格式，并验证标签是否为密钥材料类型。</span>
<span>不检查数据包主体的内容和格式。</span>
</dd>
<dd>
<span><code><a href="../../../../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</a></code> - 如果<code>other</code>包含任何不是类型<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code>的条目</a></span>
</dd>
</dl> </li>
</ul> <a name="newPGPData-byte:A-java.util.List-">
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<ul class="blockList">
<li class="blockList"> <h4>newPGPData</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/PGPData.html" title="interface in javax.xml.crypto.dsig.keyinfo">PGPData</a> newPGPData(byte[] keyPacket,
<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> other)</pre>
<div class="block">
从指定的PGP密钥材料数据包和外部元素的可选列表中创建
<code>PGPData</code> 。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>keyPacket</code> - <a href="http://www.ietf.org/rfc/rfc2440.txt">RFC 2440</a>第5.5节定义的PGP密钥资料包。</span>
<span>克隆阵列以防止后续修改。</span>
</dd>
<dd>
<span><code>other</code> - 表示来自外部命名空间的元素的<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code></a> s的列表。</span>
<span>该列表被防御复制以防止后续修改。</span>
<span>可能是<code>null</code>或空。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>PGPData</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>keyPacket</code>是
<code>null</code>
</dd>
<dd>
<span><code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果<code>keyPacket</code>不是正确的格式。</span>
<span>对于<code>keyPacket</code> ，检查分组报头的格式，并验证其是否是类型密钥材料的标签。</span>
<span>不检查数据包主体的内容和格式。</span>
</dd>
<dd>
<span><code><a href="../../../../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</a></code> - 如果<code>other</code>包含任何不是<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code></a>类型的<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口">条目</a></span>
</dd>
</dl> </li>
</ul> <a name="newRetrievalMethod-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>newRetrievalMethod</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html" title="interface in javax.xml.crypto.dsig.keyinfo">RetrievalMethod</a> newRetrievalMethod(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> uri)</pre>
<div class="block">
从指定的URI创建一个
<code>RetrievalMethod</code> 。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>uri</code> - 标识要检索的
<code>KeyInfo</code>信息的URI
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>RetrievalMethod</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>uri</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果
<code>uri</code>不符合RFC 2396标准
</dd>
</dl> </li>
</ul> <a name="newRetrievalMethod-java.lang.String-java.lang.String-java.util.List-">
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<ul class="blockList">
<li class="blockList"> <h4>newRetrievalMethod</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html" title="interface in javax.xml.crypto.dsig.keyinfo">RetrievalMethod</a> newRetrievalMethod(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> uri,
<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> type,
<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> transforms)</pre>
<div class="block">
创建
<code>RetrievalMethod</code>从指定的参数。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>uri</code> - 标识要检索的
<code>KeyInfo</code>信息的URI
</dd>
<dd>
<code>type</code> -一个URI标识的类型
<code>KeyInfo</code>信息被检索（可以是
<code>null</code> ）
</dd>
<dd>
<span><code>transforms</code> -列表<a href="../../../../../javax/xml/crypto/dsig/Transform.html" title="javax.xml.crypto.dsig中的接口"><code>Transform</code></a>秒。</span>
<span>该列表被防御复制以防止后续修改。</span>
<span>可能是<code>null</code>或空。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>RetrievalMethod</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>uri</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果
<code>uri</code>不符合RFC 2396标准
</dd>
<dd>
<span><code><a href="../../../../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</a></code> - 如果<code>transforms</code>包含任何不是类型<a href="../../../../../javax/xml/crypto/dsig/Transform.html" title="javax.xml.crypto.dsig中的接口"><code>Transform</code>的条目</a></span>
</dd>
</dl> </li>
</ul> <a name="newX509Data-java.util.List-">
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<ul class="blockList">
<li class="blockList"> <h4>newX509Data</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/X509Data.html" title="interface in javax.xml.crypto.dsig.keyinfo">X509Data</a> newX509Data(<a href="../../../../../java/util/List.html" title="interface in java.util">List</a> content)</pre>
<div class="block">
创建一个
<code>X509Data</code>指定的X.509内容列表的X509Data。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>content</code> - 一个或多个X.509内容类型的列表。</span>
<span>有效的类型是<a href="../../../../../java/lang/String.html" title="java.lang中的类"><code>String</code></a> （主题名称）， <code>byte[]</code> （受试者密钥ID）， <a href="../../../../../java/security/cert/X509Certificate.html" title="java.security.cert中的类"><code>X509Certificate</code></a> ， <a href="../../../../../java/security/cert/X509CRL.html" title="java.security.cert中的类"><code>X509CRL</code></a> ，或<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口"><code>XMLStructure</code></a> （ <a href="../../../../../javax/xml/crypto/dsig/keyinfo/X509IssuerSerial.html" title="javax.xml.crypto.dsig.keyinfo中的接口"><code>X509IssuerSerial</code></a>从外部命名空间的物体或元件）。</span>
<span>主题名称是RFC 2253字符串格式的可分辨名称。</span>
<span>实现必须支持RFC 2253（CN，L，ST，O，OU，C，STREET，DC和UID）中定义的属性类型关键字。</span>
<span>实施可能支持其他关键字。</span>
<span>该列表被防御复制以防止后续修改。</span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>X509Data</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>content</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果
<code>content</code>为空，或者主题名称不符合RFC 2253或其中一个属性类型关键字未被识别。
</dd>
<dd>
<code><a href="../../../../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</a></code> - 如果
<code>content</code>包含不是上述有效类型之一的任何条目
</dd>
</dl> </li>
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<ul class="blockList">
<li class="blockList"> <h4>newX509IssuerSerial</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/X509IssuerSerial.html" title="interface in javax.xml.crypto.dsig.keyinfo">X509IssuerSerial</a> newX509IssuerSerial(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> issuerName,
<a href="../../../../../java/math/BigInteger.html" title="class in java.math">BigInteger</a> serialNumber)</pre>
<div class="block">
从指定的X.500颁发者可分辨名称和序列号创建
<code>X509IssuerSerial</code> 。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>issuerName</code> - 发行人的RFC 2253字符串格式的可分辨名称。</span>
<span>实现必须支持RFC 2253（CN，L，ST，O，OU，C，STREET，DC和UID）中定义的属性类型关键字。</span>
<span>实施可能支持其他关键字。</span>
</dd>
<dd>
<code>serialNumber</code> - 序列号
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>X509IssuerSerial</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>issuerName</code>或
<code>serialNumber</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果发行人名称不符合RFC 2253或其中一个属性类型关键字未被识别。
</dd>
</dl> </li>
</ul> <a name="isFeatureSupported-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>isFeatureSupported</h4> <pre>public abstract boolean isFeatureSupported(<a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> feature)</pre>
<div class="block">
指示是否支持指定的功能。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>feature</code> - 功能名称（作为绝对URI）
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>true</code>如果指定的功能被支持，
<code>false</code> false
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>feature</code>是
<code>null</code>
</dd>
</dl> </li>
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<ul class="blockList">
<li class="blockList"> <h4>getURIDereferencer</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/URIDereferencer.html" title="interface in javax.xml.crypto">URIDereferencer</a> getURIDereferencer()</pre>
<div class="block">
<span>返回对URIDereferencer的<code>URIDereferencer</code> ，默认情况下，它用于<a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html" title="javax.xml.crypto.dsig.keyinfo中的接口">取消引用<code>RetrievalMethod</code>个</a>对象中的URI。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
参考默认的
<code>URIDereferencer</code>
</dd>
</dl> </li>
</ul> <a name="unmarshalKeyInfo-javax.xml.crypto.XMLStructure-">
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<ul class="blockListLast">
<li class="blockList"> <h4>unmarshalKeyInfo</h4> <pre>public abstract <a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfo.html" title="interface in javax.xml.crypto.dsig.keyinfo">KeyInfo</a> unmarshalKeyInfo(<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="interface in javax.xml.crypto">XMLStructure</a> xmlStructure)
throws <a href="../../../../../javax/xml/crypto/MarshalException.html" title="class in javax.xml.crypto">MarshalException</a></pre>
<div class="block">
<span>从机制特定的<code>XMLStructure</code> （例如： <a href="../../../../../javax/xml/crypto/dom/DOMStructure.html" title="javax.xml.crypto.dom中的类"><code>DOMStructure</code></a> ）实例解组新的<code>KeyInfo</code>实例。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>xmlStructure</code> - 从中解密keyinfo的机制特定的XML结构
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>KeyInfo</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
<code>xmlStructure</code>是
<code>null</code>
</dd>
<dd>
<code><a href="../../../../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</a></code> -如果类型
<code>xmlStructure</code>不适合此工厂
</dd>
<dd>
<code><a href="../../../../../javax/xml/crypto/MarshalException.html" title="class in javax.xml.crypto">MarshalException</a></code> - 如果在解组时出现不可恢复的异常
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>
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