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https://github.com/sigmasternchen/php-doc-en
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9a81f9cbad
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@121657 c90b9560-bf6c-de11-be94-00142212c4b1
99 lines
3.2 KiB
XML
99 lines
3.2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.8 $ -->
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<!-- splitted from ./en/functions/openssl.xml, last change in rev 1.4 -->
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<refentry id="function.openssl-pkcs7-encrypt">
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<refnamediv>
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<refname>openssl_pkcs7_encrypt</refname>
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<refpurpose>Encrypt an S/MIME message</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>bool</type><methodname>openssl_pkcs7_encrypt</methodname>
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<methodparam><type>string</type><parameter>infile</parameter></methodparam>
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<methodparam><type>string</type><parameter>outfile</parameter></methodparam>
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<methodparam><type>mixed</type><parameter>recipcerts</parameter></methodparam>
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<methodparam><type>array</type><parameter>headers</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>flags</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>openssl_pkcs7_encrypt</function> takes the contents of the
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file named <parameter>infile</parameter> and encrypts them using an RC2
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40-bit cipher so that they can only be read by the intended recipients
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specified by <parameter>recipcerts</parameter>, which is either a
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lone X.509 certificate, or an array of X.509 certificates.
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<parameter>headers</parameter> is an array of headers that
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will be prepended to the data after it has been encrypted.
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<parameter>flags</parameter> can be used to specify options that affect
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the encoding process - see <link linkend="openssl.pkcs7.flags">PKCS7
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constants</link>.
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<parameter>headers</parameter> can be either an associative array
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keyed by header name, or an indexed array, where each element contains
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a single header line.
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</para>
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<para>
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<example>
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<title><function>openssl_pkcs7_encrypt</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// the message you want to encrypt and send to your secret agent
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// in the field, known as nighthawk. You have his certificate
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// in the file nighthawk.pem
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$data = <<<EOD
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Nighthawk,
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Top secret, for your eyes only!
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The enemy is closing in! Meet me at the cafe at 8.30am
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to collect your forged passport!
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HQ
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EOD;
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// load key
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$key = file_get_contents("nighthawk.pem");
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// save message to file
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$fp = fopen("msg.txt", "w");
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fwrite($fp, $data);
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fclose($fp);
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// encrypt it
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if (openssl_pkcs7_encrypt("msg.txt", "enc.txt", $key,
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array("To" => "nighthawk@example.com", // keyed syntax
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"From: HQ <hq@example.com>", // indexed syntax
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"Subject" => "Eyes only")))
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{
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// message encrypted - send it!
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exec(ini_get("sendmail_path") . " < enc.txt");
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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