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249 lines
9.5 KiB
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<div class="header">
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javax.crypto.spec
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<h2 class="title" title="Class PBEParameterSpec">Class PBEParameterSpec</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.spec.PBEParameterSpec</li>
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<div class="description">
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<dl>
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<dt>
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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">PBEParameterSpec</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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此类指定与
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<a href="http://www.ietf.org/rfc/rfc2898.txt">PKCS #5</a>标准中定义的基于密码的加密（PBE）一起使用的参数集。
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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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</dl> </li>
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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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</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 class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/PBEParameterSpec.html#PBEParameterSpec-byte:A-int-">PBEParameterSpec</a></span>(byte[] salt, int iterationCount)</code>
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<div class="block">
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构建PKCS＃5标准中定义的基于密码的加密参数集。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/PBEParameterSpec.html#PBEParameterSpec-byte:A-int-java.security.spec.AlgorithmParameterSpec-">PBEParameterSpec</a></span>(byte[] salt, int iterationCount, <a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> paramSpec)</code>
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<div class="block">
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构建PKCS＃5标准中定义的基于密码的加密参数集。
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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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</ul>
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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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</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>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/PBEParameterSpec.html#getIterationCount--">getIterationCount</a></span>()</code>
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<div class="block">
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返回迭代计数。
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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><a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/PBEParameterSpec.html#getParameterSpec--">getParameterSpec</a></span>()</code>
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<div class="block">
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返回密码算法参数规范。
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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>byte[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/PBEParameterSpec.html#getSalt--">getSalt</a></span>()</code>
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<div class="block">
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返回盐。
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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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</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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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<!-- --> </a> <h3>构造方法详细信息</h3> <a name="PBEParameterSpec-byte:A-int-">
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<ul class="blockList">
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<li class="blockList"> <h4>PBEParameterSpec</h4> <pre>public PBEParameterSpec(byte[] salt,
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int iterationCount)</pre>
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<div class="block">
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构建PKCS＃5标准中定义的基于密码的加密参数集。
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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>salt</code> - 盐。</span>
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<span><code>salt</code>的内容被复制以防止后续修改。</span>
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</dd>
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<dd>
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<code>iterationCount</code> - 迭代计数。
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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/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
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<code>salt</code>为空。
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</dd>
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</dl> </li>
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</ul> <a name="PBEParameterSpec-byte:A-int-java.security.spec.AlgorithmParameterSpec-">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>PBEParameterSpec</h4> <pre>public PBEParameterSpec(byte[] salt,
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int iterationCount,
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<a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> paramSpec)</pre>
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<div class="block">
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构建PKCS＃5标准中定义的基于密码的加密参数集。
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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>salt</code> - 盐。</span>
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<span><code>salt</code>的内容被复制以防止后续修改。</span>
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</dd>
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<dd>
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<code>iterationCount</code> - 迭代计数。
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</dd>
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<dd>
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<code>paramSpec</code> - 密码算法参数规范，可以为空。
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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/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
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<code>salt</code>为空。
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</dd>
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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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1.8
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</dd>
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</dl> </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="getSalt--">
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<ul class="blockList">
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<li class="blockList"> <h4>getSalt</h4> <pre>public byte[] getSalt()</pre>
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<div class="block">
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返回盐。
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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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<span>盐。</span>
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<span>每次调用此方法时都会返回一个新数组。</span>
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</dd>
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</dl> </li>
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</ul> <a name="getIterationCount--">
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<ul class="blockList">
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<li class="blockList"> <h4>getIterationCount</h4> <pre>public int getIterationCount()</pre>
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<div class="block">
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返回迭代计数。
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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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迭代计数
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</dd>
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</dl> </li>
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</ul> <a name="getParameterSpec--">
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<ul class="blockListLast">
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<li class="blockList"> <h4>getParameterSpec</h4> <pre>public <a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> getParameterSpec()</pre>
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<div class="block">
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返回密码算法参数规范。
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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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参数规范，如果没有设置，则为null。
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</dd>
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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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1.8
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</dd>
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