<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Introduction</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.openssl.html">OpenSSL</a></div> <div class="next" style="text-align: right; float: right;"><a href="openssl.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.openssl.html">OpenSSL</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="intro.openssl" class="preface"> <h1 class="title">Introduction</h1> <p class="para"> This module uses the functions of <a href="http://www.openssl.org/" class="link external">» OpenSSL</a> for generation and verification of signatures and for sealing (encrypting) and opening (decrypting) data. OpenSSL offers many features that this module currently doesn't support. Some of these may be added in the future. </p> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.openssl.html">OpenSSL</a></div> <div class="next" style="text-align: right; float: right;"><a href="openssl.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.openssl.html">OpenSSL</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
