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303 lines
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<div class="header">
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javax.crypto.spec
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<h2 class="title" title="Class OAEPParameterSpec">Class OAEPParameterSpec</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.OAEPParameterSpec</li>
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</ul> </li>
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</ul>
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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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</dt>
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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">OAEPParameterSpec</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>该类指定了用于OAEP填充的参数集，如<a href="http://www.ietf.org/rfc/rfc3447.txt">PKCS #1</a>标准中所定义。</span>
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<span>其PKCS＃1标准中的ASN.1定义如下：</span>
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<pre> <span>RSAES-OAEP-params ::= SEQUENCE {
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hashAlgorithm [0] OAEP-PSSDigestAlgorithms DEFAULT sha1,
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maskGenAlgorithm [1] PKCS1MGFAlgorithms DEFAULT mgf1SHA1,
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pSourceAlgorithm [2] PKCS1PSourceAlgorithms DEFAULT pSpecifiedEmpty
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}</span> </pre>
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<span>哪里</span>
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<pre> <span>OAEP-PSSDigestAlgorithms ALGORITHM-IDENTIFIER ::= {
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{ OID id-sha1 PARAMETERS NULL }|
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{ OID id-sha256 PARAMETERS NULL }|
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{ OID id-sha384 PARAMETERS NULL }|
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{ OID id-sha512 PARAMETERS NULL },
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... -- Allows for future expansion --
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}
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PKCS1MGFAlgorithms ALGORITHM-IDENTIFIER ::= {
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{ OID id-mgf1 PARAMETERS OAEP-PSSDigestAlgorithms },
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... -- Allows for future expansion --
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}
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PKCS1PSourceAlgorithms ALGORITHM-IDENTIFIER ::= {
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{ OID id-pSpecified PARAMETERS OCTET STRING },
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... -- Allows for future expansion --
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}</span> </pre>
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<p> <span>注意：OAEPParameterSpec.DEFAULT使用以下消息：消息摘要 - “SHA-1”掩码生成函数（mgf） - mgf的“MGF1”参数 - MGF1ParameterSpec.SHA1编码输入源 - PSource.PSpecified.DEFAULT</span> </p>
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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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1.5
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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="../../../java/security/spec/MGF1ParameterSpec.html" title="java.security.spec中的类"><code>MGF1ParameterSpec</code></a> ， <a href="../../../javax/crypto/spec/PSource.html" title="javax.crypto.spec中的类"><code>PSource</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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<!-- =========== FIELD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="field.summary">
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<!-- --> </a> <h3>Field Summary</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Field Summary table, listing fields, and an explanation">
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<caption>
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<span>Fields</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="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
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<td class="colFirst"><code>static <a href="../../../javax/crypto/spec/OAEPParameterSpec.html" title="class in javax.crypto.spec">OAEPParameterSpec</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/OAEPParameterSpec.html#DEFAULT">DEFAULT</a></span></code>
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<div class="block">
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OAEP参数设置为所有默认值。
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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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<!-- ======== 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/spec/OAEPParameterSpec.html#OAEPParameterSpec-java.lang.String-java.lang.String-java.security.spec.AlgorithmParameterSpec-javax.crypto.spec.PSource-">OAEPParameterSpec</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> mdName, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> mgfName, <a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> mgfSpec, <a href="../../../javax/crypto/spec/PSource.html" title="class in javax.crypto.spec">PSource</a> pSrc)</code>
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<div class="block">
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使用指定的消息摘要算法
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<code>mdName</code> ，掩码生成函数算法
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<code>mgfName</code> ，掩码生成函数
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<code>mgfSpec</code>和编码输入P
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<code>pSrc</code>源构造用于PKCS＃1标准中定义的OAEP填充的参数集。
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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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</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="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><a href="../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/OAEPParameterSpec.html#getDigestAlgorithm--">getDigestAlgorithm</a></span>()</code>
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<div class="block">
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返回消息摘要算法名称。
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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/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/OAEPParameterSpec.html#getMGFAlgorithm--">getMGFAlgorithm</a></span>()</code>
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<div class="block">
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返回掩码生成函数算法名称。
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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><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/OAEPParameterSpec.html#getMGFParameters--">getMGFParameters</a></span>()</code>
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<div class="block">
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返回掩码生成函数的参数。
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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><a href="../../../javax/crypto/spec/PSource.html" title="class in javax.crypto.spec">PSource</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/crypto/spec/OAEPParameterSpec.html#getPSource--">getPSource</a></span>()</code>
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<div class="block">
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返回编码输入P的来源。
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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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<li class="blockList">
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<!-- ============ FIELD DETAIL =========== -->
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<li class="blockList"><a name="field.detail">
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<!-- --> </a> <h3>字段详细信息</h3> <a name="DEFAULT">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>DEFAULT</h4> <pre>public static final <a href="../../../javax/crypto/spec/OAEPParameterSpec.html" title="class in javax.crypto.spec">OAEPParameterSpec</a> DEFAULT</pre>
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<div class="block">
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OAEP参数设置为所有默认值。
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</div> </li>
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</ul> </li>
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</ul>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<ul class="blockList">
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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="OAEPParameterSpec-java.lang.String-java.lang.String-java.security.spec.AlgorithmParameterSpec-javax.crypto.spec.PSource-">
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<ul class="blockListLast">
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<li class="blockList"> <h4>OAEPParameterSpec</h4> <pre>public OAEPParameterSpec(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> mdName,
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<a href="../../../java/lang/String.html" title="class in java.lang">String</a> mgfName,
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<a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> mgfSpec,
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<a href="../../../javax/crypto/spec/PSource.html" title="class in javax.crypto.spec">PSource</a> pSrc)</pre>
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<div class="block">
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使用指定的消息摘要算法
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<code>mdName</code> ，掩码生成函数算法
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<code>mgfName</code> ，掩码生成函数
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<code>mgfSpec</code>和编码输入P
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<code>pSrc</code>源构造用于PKCS＃1标准中定义的OAEP填充的参数集。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>mdName</code> - 消息摘要的算法名称。
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</dd>
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<dd>
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<code>mgfName</code> - 掩码生成函数的算法名称。
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</dd>
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<dd>
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<span><code>mgfSpec</code> - 掩码生成功能的参数。</span>
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<span>如果指定为null，则由getMGFParameters（）返回null。</span>
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</dd>
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<dd>
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<code>pSrc</code> - 编码输入的源
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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/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code>如果-
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<code>mdName</code> ，
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<code>mgfName</code> ，或
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<code>pSrc</code>为null。
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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="getDigestAlgorithm--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getDigestAlgorithm</h4> <pre>public <a href="../../../java/lang/String.html" title="class in java.lang">String</a> getDigestAlgorithm()</pre>
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<div class="block">
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返回消息摘要算法名称。
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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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消息摘要算法名称。
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</dd>
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</dl> </li>
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</ul> <a name="getMGFAlgorithm--">
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<ul class="blockList">
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<li class="blockList"> <h4>getMGFAlgorithm</h4> <pre>public <a href="../../../java/lang/String.html" title="class in java.lang">String</a> getMGFAlgorithm()</pre>
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<div class="block">
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返回掩码生成函数算法名称。
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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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面具生成函数算法名称。
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</dd>
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</dl> </li>
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</ul> <a name="getMGFParameters--">
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<li class="blockList"> <h4>getMGFParameters</h4> <pre>public <a href="../../../java/security/spec/AlgorithmParameterSpec.html" title="interface in java.security.spec">AlgorithmParameterSpec</a> getMGFParameters()</pre>
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<div class="block">
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返回掩码生成函数的参数。
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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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掩膜生成功能的参数。
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</dd>
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</dl> </li>
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</ul> <a name="getPSource--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>getPSource</h4> <pre>public <a href="../../../javax/crypto/spec/PSource.html" title="class in javax.crypto.spec">PSource</a> getPSource()</pre>
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<div class="block">
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返回编码输入P的来源。
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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 source of encoding input P.
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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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</div> |