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This manual is for the Firewall Knock Operator library, libfko.
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<h1 class="settitle" align="center">Firewall Knock Operator Library - libfko</h1>
<a name="SEC_Contents"></a>
<h2 class="contents-heading">Table of Contents</h2>
<div class="contents">
<ul class="no-bullet">
<li><a name="toc-Introduction-1" href="Introduction.html#Introduction">1 Introduction</a>
<ul class="no-bullet">
<li><a name="toc-Getting-Started-1" href="Getting-Started.html#Getting-Started">1.1 Getting Started</a></li>
<li><a name="toc-Features-1" href="Features.html#Features">1.2 Features</a></li>
<li><a name="toc-Overview-1" href="Overview.html#Overview">1.3 Overview</a>
<ul class="no-bullet">
<li><a name="toc-SPA-Data-Format-1" href="SPA-Data-Format.html#SPA-Data-Format">1.3.1 SPA Data Format</a></li>
</ul></li>
</ul></li>
<li><a name="toc-Preparation-1" href="Preparation.html#Preparation">2 Preparation</a>
<ul class="no-bullet">
<li><a name="toc-libfko-Header-1" href="libfko-Header.html#libfko-Header">2.1 libfko Header</a></li>
<li><a name="toc-Compiling-with-libfko-1" href="Compiling-with-libfko.html#Compiling-with-libfko">2.2 Compiling with libfko</a></li>
<li><a name="toc-SPA-Parameter-Types-1" href="SPA-Parameter-Types.html#SPA-Parameter-Types">2.3 SPA Parameter Types</a>
<ul class="no-bullet">
<li><a name="toc-Digests-1" href="Digests.html#Digests">2.3.1 Digests</a></li>
<li><a name="toc-SPA-Messages-1" href="SPA-Messages.html#SPA-Messages">2.3.2 SPA Messages</a></li>
<li><a name="toc-Encryption-Algorithms-1" href="Encryption-Algorithms.html#Encryption-Algorithms">2.3.3 Encryption Algorithms</a></li>
<li><a name="toc-HMAC-Digests-1" href="HMAC-Digests.html#HMAC-Digests">2.3.4 HMAC Digests</a></li>
</ul></li>
</ul></li>
<li><a name="toc-Using-libfko-1" href="Using-libfko.html#Using-libfko">3 Using libfko</a>
<ul class="no-bullet">
<li><a name="toc-Creating-Contexts-1" href="Creating-Contexts.html#Creating-Contexts">3.1 Creating Contexts</a></li>
<li><a name="toc-Destroying-Contexts-1" href="Destroying-Contexts.html#Destroying-Contexts">3.2 Destroying Contexts</a></li>
<li><a name="toc-Creating-a-SPA-Message-1" href="Creating-a-SPA-Message.html#Creating-a-SPA-Message">3.3 Creating a SPA Message</a></li>
<li><a name="toc-Setting-SPA-Data-1" href="Setting-SPA-Data.html#Setting-SPA-Data">3.4 Setting SPA Data</a></li>
<li><a name="toc-Retrieving-SPA-Data-1" href="Retrieving-SPA-Data.html#Retrieving-SPA-Data">3.5 Retrieving SPA Data</a></li>
<li><a name="toc-Utility-Functions-1" href="Utility-Functions.html#Utility-Functions">3.6 Utility Functions</a></li>
<li><a name="toc-Error-Handling-1" href="Error-Handling.html#Error-Handling">3.7 Error Handling</a></li>
</ul></li>
<li><a name="toc-GNU-GENERAL-PUBLIC-LICENSE" href="Library-Copying.html#Library-Copying">Appendix A GNU GENERAL PUBLIC LICENSE</a>
<ul class="no-bullet">
<li><a name="toc-Preamble" href="Library-Copying.html#Preamble">A.1 Preamble</a></li>
<li><a name="toc-Appendix_003a-How-to-Apply-These-Terms-to-Your-New-Programs" href="Library-Copying.html#Appendix_003a-How-to-Apply-These-Terms-to-Your-New-Programs">A.2 Appendix: How to Apply These Terms to Your New Programs</a></li>
</ul></li>
<li><a name="toc-Concept-Index-1" href="Concept-Index.html#Concept-Index">Concept Index</a></li>
<li><a name="toc-Function-and-Data-Index-1" href="Function-and-Data-Index.html#Function-and-Data-Index">Function and Data Index</a></li>
</ul>
</div>
<a name="Top"></a>
<div class="header">
<p>
Next: <a href="Introduction.html#Introduction" accesskey="n" rel="next">Introduction</a>, Up: <a href="../dir/index.html" accesskey="u" rel="up">(dir)</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="Main-Menu"></a>
<h1 class="top">Main Menu</h1>
<p>This manual is for the Firewall Knock Operator library, libfko.
(version 2.6.9, last updated 9 June 2016).
</p>
<p>Copyright © 2009-2013 Damien Stuart.
</p>
<blockquote>
<p>The libfko manual is free; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
</p>
<p>The libfko manual is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
</p>
<p>You should have received a copy of the GNU General Public License
along with this manual; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
</p></blockquote>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">• <a href="Introduction.html#Introduction" accesskey="1">Introduction</a>:</td><td> </td><td align="left" valign="top">How to use this manual
</td></tr>
<tr><td align="left" valign="top">• <a href="Preparation.html#Preparation" accesskey="2">Preparation</a>:</td><td> </td><td align="left" valign="top">What you should do before using the library
</td></tr>
<tr><td align="left" valign="top">• <a href="Using-libfko.html#Using-libfko" accesskey="3">Using libfko</a>:</td><td> </td><td align="left" valign="top">How to use libfko in your program
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
Appendices
</pre></th></tr><tr><td align="left" valign="top">• <a href="Library-Copying.html#Library-Copying" accesskey="4">Library Copying</a>:</td><td> </td><td align="left" valign="top">The GNU General Public License says
how you can copy and share
Indices
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
</pre></th></tr><tr><td align="left" valign="top">• <a href="Concept-Index.html#Concept-Index" accesskey="5">Concept Index</a>:</td><td> </td><td align="left" valign="top">Index of concepts and programs
</td></tr>
<tr><td align="left" valign="top">• <a href="Function-and-Data-Index.html#Function-and-Data-Index" accesskey="6">Function and Data Index</a>:</td><td> </td><td align="left" valign="top">Index of functions, variables and data types
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
</pre></th></tr><tr><th colspan="3" align="left" valign="top"><pre class="menu-comment"> — The Detailed Node Listing —
Introduction
</pre></th></tr><tr><td align="left" valign="top">• <a href="Getting-Started.html#Getting-Started" accesskey="7">Getting Started</a>:</td><td> </td><td align="left" valign="top">Purpose of the manual, and how to use it
</td></tr>
<tr><td align="left" valign="top">• <a href="Features.html#Features" accesskey="8">Features</a>:</td><td> </td><td align="left" valign="top">Reasons to install and use libfko
</td></tr>
<tr><td align="left" valign="top">• <a href="Overview.html#Overview" accesskey="9">Overview</a>:</td><td> </td><td align="left" valign="top">Basic overview of <acronym>SPA</acronym> and
architecture of the libfko library
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
Overview
</pre></th></tr><tr><td align="left" valign="top">• <a href="SPA-Data-Format.html#SPA-Data-Format">SPA Data Format</a>:</td><td> </td><td align="left" valign="top">Description of the <acronym>SPA</acronym> data
format.
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
Preparation
</pre></th></tr><tr><td align="left" valign="top">• <a href="libfko-Header.html#libfko-Header">libfko Header</a>:</td><td> </td><td align="left" valign="top">What header file you need to include
</td></tr>
<tr><td align="left" valign="top">• <a href="Compiling-with-libfko.html#Compiling-with-libfko">Compiling with libfko</a>:</td><td> </td><td align="left" valign="top">What you need to compile and link your
program with libfko
</td></tr>
<tr><td align="left" valign="top">• <a href="SPA-Parameter-Types.html#SPA-Parameter-Types">SPA Parameter Types</a>:</td><td> </td><td align="left" valign="top">The available digests, message types and
modes of encryption for <acronym>SPA</acronym> data
Using libfko
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
</pre></th></tr><tr><td align="left" valign="top">• <a href="Creating-Contexts.html#Creating-Contexts">Creating Contexts</a>:</td><td> </td><td align="left" valign="top">Creating a new fko context
</td></tr>
<tr><td align="left" valign="top">• <a href="Destroying-Contexts.html#Destroying-Contexts">Destroying Contexts</a>:</td><td> </td><td align="left" valign="top">Releasing an fko context
</td></tr>
<tr><td align="left" valign="top">• <a href="Creating-a-SPA-Message.html#Creating-a-SPA-Message">Creating a SPA Message</a>:</td><td> </td><td align="left" valign="top">What it takes to create a <acronym>SPA</acronym>
message
</td></tr>
<tr><td align="left" valign="top">• <a href="Setting-SPA-Data.html#Setting-SPA-Data">Setting SPA Data</a>:</td><td> </td><td align="left" valign="top">Setting <acronym>SPA</acronym> data
</td></tr>
<tr><td align="left" valign="top">• <a href="Retrieving-SPA-Data.html#Retrieving-SPA-Data">Retrieving SPA Data</a>:</td><td> </td><td align="left" valign="top">Retrieving <acronym>SPA</acronym> data
</td></tr>
<tr><td align="left" valign="top">• <a href="Utility-Functions.html#Utility-Functions">Utility Functions</a>:</td><td> </td><td align="left" valign="top">Other utility, miscellaneous, and seldom
used functions
</td></tr>
<tr><td align="left" valign="top">• <a href="Error-Handling.html#Error-Handling">Error Handling</a>:</td><td> </td><td align="left" valign="top">Possible errors and their meaning
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
SPA Parameter Types
</pre></th></tr><tr><td align="left" valign="top">• <a href="Digests.html#Digests">Digests</a>:</td><td> </td><td align="left" valign="top">The message digest hashes supported by libfko
</td></tr>
<tr><td align="left" valign="top">• <a href="SPA-Messages.html#SPA-Messages">SPA Messages</a>:</td><td> </td><td align="left" valign="top">The fko <acronym>SPA</acronym> message types
supported by libfko (and fwknop)
</td></tr>
<tr><td align="left" valign="top">• <a href="Encryption-Algorithms.html#Encryption-Algorithms">Encryption Algorithms</a>:</td><td> </td><td align="left" valign="top">Encryption schemes supported by libfko
</td></tr>
<tr><td align="left" valign="top">• <a href="HMAC-Digests.html#HMAC-Digests">HMAC Digests</a>:</td><td> </td><td align="left" valign="top">Digests that can be used to build an HMAC
</td></tr>
<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
</pre></th></tr></table>
<hr>
<div class="header">
<p>
Next: <a href="Introduction.html#Introduction" accesskey="n" rel="next">Introduction</a>, Up: <a href="../dir/index.html" accesskey="u" rel="up">(dir)</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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