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openssl-public-encrypt.xml
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openssl-public-encrypt.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 5bc68add3da3cd18c40f851e944b15095d3a26aa Maintainer: duanxiaoqiang Status: ready -->
<!-- CREDITS: mowangjuanzi, Luffy -->
<refentry xml:id="function.openssl-public-encrypt" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>openssl_public_encrypt</refname>
<refpurpose>使用公钥加密数据</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>openssl_public_encrypt</methodname>
<methodparam><modifier role="attribute">#[\SensitiveParameter]</modifier><type>string</type><parameter>data</parameter></methodparam>
<methodparam><type>string</type><parameter role="reference">encrypted_data</parameter></methodparam>
<methodparam><type class="union"><type>OpenSSLAsymmetricKey</type><type>OpenSSLCertificate</type><type>array</type><type>string</type></type><parameter>public_key</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>padding</parameter><initializer><constant>OPENSSL_PKCS1_PADDING</constant></initializer></methodparam>
</methodsynopsis>
<para>
<function>openssl_public_encrypt</function> 使用公钥 <parameter>public_key</parameter> 解密数据 <parameter>data</parameter>
并且将结果保存到变量 <parameter>encrypted_data</parameter> 中。加密的数据可以通过 <function>openssl_private_decrypt</function> 函数解密。
</para>
<para>
该函数可以用来加密数据,供该公钥匹配的私钥拥有者读取。 它也可以用来在数据库中存储安全数据。
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>data</parameter></term>
<listitem>
<para>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>encrypted_data</parameter></term>
<listitem>
<para>
这将保存加密的结果。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>public_key</parameter></term>
<listitem>
<para>
公钥。
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>padding</parameter></term>
<listitem>
<para>
<parameter>padding</parameter> can be one of
<constant>OPENSSL_PKCS1_PADDING</constant>,
<constant>OPENSSL_SSLV23_PADDING</constant>,
<constant>OPENSSL_PKCS1_OAEP_PADDING</constant>,
<constant>OPENSSL_NO_PADDING</constant>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
<parameter>public_key</parameter> 现在接受 <classname>OpenSSLAsymmetricKey</classname> 或 <classname>OpenSSLCertificate</classname>
实例。之前接受类型 <literal>OpenSSL key</literal> 或 <literal>OpenSSL X.509</literal> 的 &resource;。
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>openssl_private_encrypt</function></member>
<member><function>openssl_private_decrypt</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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