<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.7 $ -->
<!-- splitted from ./en/functions/openssl.xml, last change in rev 1.19 -->
  <refentry id="function.openssl-public-encrypt">
   <refnamediv>
    <refname>openssl_public_encrypt</refname>
    <refpurpose>Encrypts data with public key </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>bool</type><methodname>openssl_public_encrypt</methodname>
      <methodparam><type>string</type><parameter>data</parameter></methodparam>
      <methodparam><type>string</type><parameter role="reference">crypted</parameter></methodparam>
      <methodparam><type>mixed</type><parameter>key</parameter></methodparam>
      <methodparam choice="opt"><type>int</type><parameter>padding</parameter></methodparam>
     </methodsynopsis>
     &warn.experimental.func;
    <para>
     <function>openssl_public_encrypt</function> encrypts <parameter>data</parameter>
     with public <parameter>key</parameter> and stores the result into
     <parameter>crypted</parameter>. Encrypted data can be decrypted via
     <function>openssl_private_decrypt</function>. <parameter>padding</parameter>
     defaults to <constant>OPENSSL_PKCS1_PADDING</constant>, but can also be
     one of <constant>OPENSSL_SSLV23_PADDING</constant>,
     <constant>OPENSSL_PKCS1_OAEP_PADDING</constant>,
     <constant>OPENSSL_NO_PADDING</constant>.
    </para>
    <para>
     &return.success;
    </para>
    <para>
     This function can be used e.g. to encrypt message which can be then read
     only by owner of the private key. It can be also used to store secure data
     in database.
    </para>
    <para>
     See also <function>openssl_private_decrypt</function> and
     <function>openssl_private_encrypt</function>.
    </para>
   </refsect1>
  </refentry>

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