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216 lines
9.7 KiB
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216 lines
9.7 KiB
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<div class="header">
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<div class="subTitle">
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javax.crypto
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</div>
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<h2 class="title" title="Class KeyGeneratorSpi">Class KeyGeneratorSpi</h2>
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</div><div class="contentContainer">
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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.KeyGeneratorSpi</li>
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</ul> </li>
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</ul>
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<div class="description">
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<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">KeyGeneratorSpi</span>
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extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
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<div class="block">
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<span>这个类定义的 <span>（SPI）</span> <code>KeyGenerator</code>类。</span>
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<span>该类中的所有抽象方法必须由希望提供特定算法的密钥生成器的实现的每个加密服务提供商来实现。</span>
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</div>
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<dl>
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<dt>
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<span class="simpleTagLabel">从以下版本开始：</span>
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</dt>
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<dd>
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1.4
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</dd>
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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/SecretKey.html" title="javax.crypto中的接口"><code>SecretKey</code></a></span>
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</dd>
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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="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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</caption>
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<tbody>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/crypto/KeyGeneratorSpi.html#KeyGeneratorSpi--">KeyGeneratorSpi</a></span>()</code> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul>
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<!-- ========== METHOD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="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="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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</caption>
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<tbody>
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<tr>
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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>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>protected abstract <a href="../../javax/crypto/SecretKey.html" title="interface in javax.crypto">SecretKey</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/crypto/KeyGeneratorSpi.html#engineGenerateKey--">engineGenerateKey</a></span>()</code>
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<div class="block">
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生成一个秘密密钥。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code>protected abstract void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/crypto/KeyGeneratorSpi.html#engineInit-java.security.spec.AlgorithmParameterSpec-java.security.SecureRandom-">engineInit</a></span>(<a href="../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> params, <a href="../../java/security/SecureRandom.html" title="class in java.security">SecureRandom</a> random)</code>
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<div class="block">
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使用指定的参数集和用户提供的随机源初始化密钥生成器。
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code>protected abstract void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/crypto/KeyGeneratorSpi.html#engineInit-int-java.security.SecureRandom-">engineInit</a></span>(int keysize, <a href="../../java/security/SecureRandom.html" title="class in java.security">SecureRandom</a> random)</code>
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<div class="block">
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使用给定的随机源初始化该密钥生成器以进行某些密钥化。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code>protected abstract void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/crypto/KeyGeneratorSpi.html#engineInit-java.security.SecureRandom-">engineInit</a></span>(<a href="../../java/security/SecureRandom.html" title="class in java.security">SecureRandom</a> random)</code>
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<div class="block">
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初始化密钥生成器。
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</div> </td>
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</tr>
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</tbody>
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</table>
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<ul class="blockList">
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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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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<ul class="blockList">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<li class="blockList"><a name="constructor.detail">
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<!-- --> </a> <h3>构造方法详细信息</h3> <a name="KeyGeneratorSpi--">
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<ul class="blockListLast">
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<li class="blockList"> <h4>KeyGeneratorSpi</h4> <pre>public KeyGeneratorSpi()</pre> </li>
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</ul> </li>
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</ul>
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<!-- ============ METHOD DETAIL ========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="engineInit-java.security.SecureRandom-">
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<ul class="blockList">
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<li class="blockList"> <h4>engineInit</h4> <pre>protected abstract void engineInit(<a href="../../java/security/SecureRandom.html" title="class in java.security">SecureRandom</a> random)</pre>
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<div class="block">
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初始化密钥生成器。
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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>random</code> - 该发生器的随机性来源
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</dd>
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</dl> </li>
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</ul> <a name="engineInit-java.security.spec.AlgorithmParameterSpec-java.security.SecureRandom-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>engineInit</h4> <pre>protected abstract void engineInit(<a href="../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> params,
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<a href="../../java/security/SecureRandom.html" title="class in java.security">SecureRandom</a> random)
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throws <a href="../../java/security/InvalidAlgorithmParameterException.html" title="class in java.security">InvalidAlgorithmParameterException</a></pre>
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<div class="block">
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使用指定的参数集和用户提供的随机源初始化密钥生成器。
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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>params</code> - 关键生成参数
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</dd>
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<dd>
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<code>random</code> - 该密钥生成器的随机源
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</dd>
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../java/security/InvalidAlgorithmParameterException.html" title="class in java.security">InvalidAlgorithmParameterException</a></code> - 如果
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<code>params</code>不适合此密钥生成器
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</dd>
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</dl> </li>
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</ul> <a name="engineInit-int-java.security.SecureRandom-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>engineInit</h4> <pre>protected abstract void engineInit(int keysize,
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<a href="../../java/security/SecureRandom.html" title="class in java.security">SecureRandom</a> random)</pre>
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<div class="block">
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使用给定的随机源初始化该密钥生成器以进行某些密钥化。
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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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<span><code>keysize</code> - <code>keysize</code> 。</span>
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<span>这是一个以比特数表示的算法特定度量。</span>
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</dd>
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<dd>
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<code>random</code> - 这个密钥生成器的随机源
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</dd>
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../java/security/InvalidParameterException.html" title="class in java.security">InvalidParameterException</a></code> - 如果
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<code><a href="../../java/security/InvalidParameterException.html" title="class in java.security">InvalidParameterException</a></code>错误或不支持。
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</dd>
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</dl> </li>
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</ul> <a name="engineGenerateKey--">
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<ul class="blockListLast">
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<li class="blockList"> <h4>engineGenerateKey</h4> <pre>protected abstract <a href="../../javax/crypto/SecretKey.html" title="interface in javax.crypto">SecretKey</a> engineGenerateKey()</pre>
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<div class="block">
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生成一个秘密密钥。
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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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the new key
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</dd>
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</dl> </li>
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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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