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<div class="header">
<div class="subTitle">
compact1, compact2, compact3
</div>
<div class="subTitle">
javax.security.cert
</div>
<h2 class="title" title="Class Certificate">Class Certificate</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.security.cert.Certificate</li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>
已知直接子类：
</dt>
<dd>
<span><a href="../../../javax/security/cert/X509Certificate.html" title="javax.security.cert中的类">X509Certificate</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">Certificate</span>
extends <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
<div class="block">
<p> <span>用于管理各种身份证件的抽象类。</span> <span>身份证明书是公证人的担保，公钥是另一位校长的公钥。</span> <span>（主体代表一个实体，如个人用户，一个团体或一个公司）。</span> </p>
<p> <span>该类是具有不同格式但重要常见用途的证书的抽象。</span> <span>例如，不同类型的证书（如X.509和PGP）共享一般证书功能（如编码和验证）以及某些类型的信息（如公钥）。</span> </p>
<p> <span>X.509，PGP和SDSI证书都可以通过对证书类进行子类化来实现，即使它们包含不同的信息集，并且以不同的方式存储和检索信息。</span> </p>
<p> <span><em>注意：与早期版本的Java安全套接字扩展（JSSE） <code>javax.security.cert</code>存在包<code>javax.security.cert</code>的类。</em></span> <span><em>应该使用新的应用程序使用位于<code>java.security.cert</code>的标准Java SE证书类。</em></span> </p>
</div>
<dl>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
1.4
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../javax/security/cert/X509Certificate.html" title="javax.security.cert中的类"><code>X509Certificate</code></a></span>
</dd>
</dl> </li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- --> </a> <h3>构造方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/security/cert/Certificate.html#Certificate--">Certificate</a></span>()</code> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- --> </a> <h3>方法摘要</h3>
<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="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>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/cert/Certificate.html#equals-java.lang.Object-">equals</a></span>(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> other)</code>
<div class="block">
将此证书与指定的对象进行比较。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>abstract byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/cert/Certificate.html#getEncoded--">getEncoded</a></span>()</code>
<div class="block">
返回此证书的编码形式。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>abstract <a href="../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/cert/Certificate.html#getPublicKey--">getPublicKey</a></span>()</code>
<div class="block">
从此证书获取公钥。
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/cert/Certificate.html#hashCode--">hashCode</a></span>()</code>
<div class="block">
从其编码形式返回此证书的哈希码值。
</div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>abstract <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/security/cert/Certificate.html#toString--">toString</a></span>()</code>
<div class="block">
返回此证书的字符串表示形式。
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/cert/Certificate.html#verify-java.security.PublicKey-">verify</a></span>(<a href="../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a> key)</code>
<div class="block">
使用与指定公钥对应的私钥验证此证书是否已经签名。
</div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/cert/Certificate.html#verify-java.security.PublicKey-java.lang.String-">verify</a></span>(<a href="../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a> key, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> sigProvider)</code>
<div class="block">
使用与指定公钥对应的私钥验证此证书是否已经签名。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../../java/lang/Object.html#clone--">clone</a>, <a href="../../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../../java/lang/Object.html#notify--">notify</a>, <a href="../../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../../java/lang/Object.html#wait--">wait</a>, <a href="../../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../../java/lang/Object.html#wait-long-int-">wait</a></code></li>
</ul> </li>
</ul> </li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
<!-- --> </a> <h3>构造方法详细信息</h3> <a name="Certificate--">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>Certificate</h4> <pre>public Certificate()</pre> </li>
</ul> </li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- --> </a> <h3>方法详细信息</h3> <a name="equals-java.lang.Object-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>equals</h4> <pre>public boolean equals(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> other)</pre>
<div class="block">
<span>将此证书与指定的对象进行比较。</span>
<span>如果<code>other</code>对象是<code>instanceof</code> <code>Certificate</code> ，则其编码形式被检索并与该证书的编码形式进行比较。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../java/lang/Object.html#equals-java.lang.Object-">equals</a></code>在类别
<code><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>other</code> - 测试与此证书相等的对象。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
如果两个证书的编码形式匹配，则为true，否则为false。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../../java/lang/Object.html#hashCode--"><code>Object.hashCode()</code></a> ， <a href="../../../java/util/HashMap.html" title="java.util中的类"><code>HashMap</code></a></span>
</dd>
</dl> </li>
</ul> <a name="hashCode--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>hashCode</h4> <pre>public int hashCode()</pre>
<div class="block">
从其编码形式返回此证书的哈希码值。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../java/lang/Object.html#hashCode--">hashCode</a></code>在类别
<code><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
哈希码值。
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../java/lang/Object.html#equals-java.lang.Object-"><code>Object.equals(java.lang.Object)</code></a> ，
<a href="../../../java/lang/System.html#identityHashCode-java.lang.Object-"><code>System.identityHashCode(java.lang.Object)</code></a>
</dd>
</dl> </li>
</ul> <a name="getEncoded--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getEncoded</h4> <pre>public abstract byte[] getEncoded()
throws <a href="../../../javax/security/cert/CertificateEncodingException.html" title="class in javax.security.cert">CertificateEncodingException</a></pre>
<div class="block">
<span>返回此证书的编码形式。</span>
<span>假设每个证书类型将只有一种形式的编码;</span>
<span>例如，X.509证书将被编码为ASN.1 DER。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
该证书的编码形式
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../javax/security/cert/CertificateEncodingException.html" title="class in javax.security.cert">CertificateEncodingException</a></code> - 内部证书编码失败
</dd>
</dl> </li>
</ul> <a name="verify-java.security.PublicKey-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>verify</h4> <pre>public abstract void verify(<a href="../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a> key)
throws <a href="../../../javax/security/cert/CertificateException.html" title="class in javax.security.cert">CertificateException</a>,
<a href="../../../java/security/NoSuchAlgorithmException.html" title="class in java.security">NoSuchAlgorithmException</a>,
<a href="../../../java/security/InvalidKeyException.html" title="class in java.security">InvalidKeyException</a>,
<a href="../../../java/security/NoSuchProviderException.html" title="class in java.security">NoSuchProviderException</a>,
<a href="../../../java/security/SignatureException.html" title="class in java.security">SignatureException</a></pre>
<div class="block">
使用与指定公钥对应的私钥验证此证书是否已经签名。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>key</code> - 用于执行验证的PublicKey。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/security/NoSuchAlgorithmException.html" title="class in java.security">NoSuchAlgorithmException</a></code> - 不支持的签名算法。
</dd>
<dd>
<code><a href="../../../java/security/InvalidKeyException.html" title="class in java.security">InvalidKeyException</a></code> - 键错误。
</dd>
<dd>
<code><a href="../../../java/security/NoSuchProviderException.html" title="class in java.security">NoSuchProviderException</a></code> - 如果没有默认提供程序。
</dd>
<dd>
<code><a href="../../../java/security/SignatureException.html" title="class in java.security">SignatureException</a></code> - 签名错误。
</dd>
<dd>
<code><a href="../../../javax/security/cert/CertificateException.html" title="class in javax.security.cert">CertificateException</a></code> - 编码错误。
</dd>
</dl> </li>
</ul> <a name="verify-java.security.PublicKey-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>verify</h4> <pre>public abstract void verify(<a href="../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a> key,
<a href="../../../java/lang/String.html" title="class in java.lang">String</a> sigProvider)
throws <a href="../../../javax/security/cert/CertificateException.html" title="class in javax.security.cert">CertificateException</a>,
<a href="../../../java/security/NoSuchAlgorithmException.html" title="class in java.security">NoSuchAlgorithmException</a>,
<a href="../../../java/security/InvalidKeyException.html" title="class in java.security">InvalidKeyException</a>,
<a href="../../../java/security/NoSuchProviderException.html" title="class in java.security">NoSuchProviderException</a>,
<a href="../../../java/security/SignatureException.html" title="class in java.security">SignatureException</a></pre>
<div class="block">
<span>使用与指定公钥对应的私钥验证此证书是否已经签名。</span>
<span>此方法使用指定提供商提供的签名验证引擎。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>key</code> - 用于执行验证的PublicKey。
</dd>
<dd>
<code>sigProvider</code> - 签名提供者的名称。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../java/security/NoSuchAlgorithmException.html" title="class in java.security">NoSuchAlgorithmException</a></code> - 不支持的签名算法。
</dd>
<dd>
<code><a href="../../../java/security/InvalidKeyException.html" title="class in java.security">InvalidKeyException</a></code> - 键错误。
</dd>
<dd>
<code><a href="../../../java/security/NoSuchProviderException.html" title="class in java.security">NoSuchProviderException</a></code> - 错误提供者。
</dd>
<dd>
<code><a href="../../../java/security/SignatureException.html" title="class in java.security">SignatureException</a></code> - 签名错误。
</dd>
<dd>
<code><a href="../../../javax/security/cert/CertificateException.html" title="class in javax.security.cert">CertificateException</a></code> - 编码错误。
</dd>
</dl> </li>
</ul> <a name="toString--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>toString</h4> <pre>public abstract <a href="../../../java/lang/String.html" title="class in java.lang">String</a> toString()</pre>
<div class="block">
返回此证书的字符串表示形式。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../java/lang/Object.html#toString--">toString</a></code>在类别
<code><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
此证书的字符串表示形式。
</dd>
</dl> </li>
</ul> <a name="getPublicKey--">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>getPublicKey</h4> <pre>public abstract <a href="../../../java/security/PublicKey.html" title="interface in java.security">PublicKey</a> getPublicKey()</pre>
<div class="block">
从此证书获取公钥。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
the public key.
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>
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