<!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 extension binds functions of <a href="http://www.openssl.org/" class="link external">» OpenSSL</a> library for symmetric and asymmetric encryption and decryption, PBKDF2, PKCS7, PKCS12, X509 and other crypto operations. In addition to that it provides implementation of TLS streams. </p> <p class="para"> 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>
