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177 lines
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177 lines
7.1 KiB
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javax.crypto.spec
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<h2 class="title" title="Class DHGenParameterSpec">Class DHGenParameterSpec</h2>
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<ul class="inheritance">
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<li><a href="../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<li>
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<ul class="inheritance">
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<li>javax.crypto.spec.DHGenParameterSpec</li>
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<div class="description">
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All Implemented Interfaces:
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<dd>
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<span><a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="java.security.spec中的接口">AlgorithmParameterSpec</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">DHGenParameterSpec</span>
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extends <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a>
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implements <a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a></pre>
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<div class="block">
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<span>此类指定用于生成Diffie-Hellman密钥协议中使用的Diffie-Hellman（系统）参数的参数集。</span>
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<span>这通常由中央机关完成。</span>
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<p> <span>中央机关在计算参数后，必须将这些信息发送给寻求秘密密钥协商的各方。</span> </p>
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<span class="simpleTagLabel">从以下版本开始：</span>
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<dd>
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1.4
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<span><a href="../../../javax/crypto/spec/DHParameterSpec.html" title="javax.crypto.spec中的类"><code>DHParameterSpec</code></a></span>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<!-- --> </a> <h3>构造方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption>
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<span>构造方法</span>
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<span class="tabEnd"> </span>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/DHGenParameterSpec.html#DHGenParameterSpec-int-int-">DHGenParameterSpec</a></span>(int primeSize, int exponentSize)</code>
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<div class="block">
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构造用于生成Diffie-Hellman（系统）参数的参数集。
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</div> </td>
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</tr>
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</tbody>
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</table> </li>
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<!-- ========== METHOD SUMMARY =========== -->
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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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="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<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>
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<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/DHGenParameterSpec.html#getExponentSize--">getExponentSize</a></span>()</code>
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<div class="block">
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返回随机指数（私有值）的位大小。
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/DHGenParameterSpec.html#getPrimeSize--">getPrimeSize</a></span>()</code>
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返回素数模数的大小。
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</div> </td>
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<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
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<!-- --> </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#equals-java.lang.Object-">equals</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#hashCode--">hashCode</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#toString--">toString</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>
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<div class="details">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<!-- --> </a> <h3>构造方法详细信息</h3> <a name="DHGenParameterSpec-int-int-">
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<ul class="blockListLast">
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<li class="blockList"> <h4>DHGenParameterSpec</h4> <pre>public DHGenParameterSpec(int primeSize,
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int exponentSize)</pre>
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<div class="block">
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<span>构造用于生成Diffie-Hellman（系统）参数的参数集。</span>
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<span>构造的参数集可用于初始化<a href="../../../java/security/AlgorithmParameterGenerator.html" title="java.security中的类"><code>AlgorithmParameterGenerator</code></a>对象以生成Diffie-Hellman参数。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>primeSize</code> - 素数模数的大小（以位为单位）。
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</dd>
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<dd>
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<code>exponentSize</code> - 随机指数的大小（以位为单位）。
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</dd>
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<!-- ============ METHOD DETAIL ========== -->
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<!-- --> </a> <h3>方法详细信息</h3> <a name="getPrimeSize--">
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<li class="blockList"> <h4>getPrimeSize</h4> <pre>public int getPrimeSize()</pre>
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返回素数模数的大小。
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</div>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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质量模数的大小（以位为单位）
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</dd>
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</ul> <a name="getExponentSize--">
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<li class="blockList"> <h4>getExponentSize</h4> <pre>public int getExponentSize()</pre>
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返回随机指数（私有值）的位大小。
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</div>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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随机指数（私有值）的位大小
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</dd>
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</dl> </li>
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