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<title>TAO -- CORBA Security</title>
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<div id="Layer2" style="position:absolute; left:89px; top:32px; width:792px; height:125px; z-index:2">
<h1 align="center"><img src="images/CORBA_Security.jpg" width="500" height="131" align="middle"></h1>
</div>
<div id="Layer3" style="position:absolute; left:257px; top:199px; width:625px; height:1px; z-index:3"><!-- #BeginEditable "Body" -->
<p align="center"><font size="5">CORBA Security Conformance Statement</font></p>
<p align="center">28 November, 2000</p>
<p align="center">TAO (The ACE ORB)</p>
<p align="center">Center for Distributed Object Computing, Washington University<br>
Distributed Object Computing Laboratory, University of California at Irvine</p>
<ul>
<li><a href="#Introduction">Introduction</a>
<ul>
<li><a href="#Introduction_1">Summary of Security Conformance</a></li>
<li><a href="#Introduction_2">Scope of Product</a></li>
<li><a href="#Introduction_3">Security Overview</a></li>
</ul>
</li>
<li><a href="#Security_Conformance">Security Conformance</a>
<ul>
<li><a href="#Security_Conformance_1">Main Security Functionality Level</a></li>
<li><a href="#Security_Conformance_2">Security Functionality Options</a></li>
<li><a href="#Security_Conformance_3">Security Replaceability</a></li>
<li><a href="#Security_Conformance_4">Secure Interoperability</a></li>
<li><a href="#Security_Conformance_5">Level of Interoperability</a></li>
<li><a href="#Security_Conformance_6">Mechanism Profiles</a></li>
</ul>
</li>
<li><a href="#Assurance">Assurance</a>
<ul>
<li><a href="#Assurance_1">Philosophy of Protection</a></li>
<li><a href="#Assurance_2">Threats</a> </li>
<li><a href="#Assurance_3">Security Policies</a></li>
<li><a href="#Assurance_4">Security Protection Mechanisms</a></li>
<li><a href="#Assurance_5">Environmental Support</a></li>
<li><a href="#Assurance_6">Configuration Constraints</a></li>
<li><a href="#Assurance_7">Security Policy Extensions</a></li>
</ul>
</li>
<li><a href="#Supplemental">Supplemental Product Information</a></li>
</ul>
<h2>1. Introduction<a name="Introduction"></a> </h2>
<p>The security features that TAO provides are introduced in this section. Detailed
descriptions are available in later major sections. </p>
<h3>1.1 Summary of Security Conformance<a name="Introduction_1"></a></h3>
<p>This section summarizes the CORBA Security Service features that TAO provides.</p>
<table width="100%" border="1" align="center">
<tr bgcolor="#CCCCFF">
<td colspan="5">
<div align="center"><b>CORBA Security Functionality Checklist</b></div>
</td>
</tr>
<tr>
<td rowspan="2" width="26%">
<div align="center">
<p><b>Main Functionality</b></p>
<p><b> (Level 1 or Level 2)</b></p>
</div>
</td>
<td rowspan="2" width="22%">
<div align="center">
<p><b>Functionality Options</b></p>
<p><b>(Non-Repudiation)</b></p>
</div>
</td>
<td colspan="3">
<div align="center"><b>Security Replaceability</b></div>
</td>
</tr>
<tr>
<td width="16%">
<div align="center"><b>ORB Services</b></div>
</td>
<td width="18%">
<div align="center"><b>Security Services</b></div>
</td>
<td width="18%">
<div align="center"><b>Security Ready</b></div>
</td>
</tr>
<tr>
<td width="26%" bgcolor="#3333FF"> </td>
<td width="22%"> </td>
<td width="16%"> </td>
<td width="18%" bgcolor="#3333FF"> </td>
<td width="18%"> </td>
</tr>
</table>
<p> </p>
<table width="100%" border="1" align="center">
<tr bgcolor="#CCCCFF">
<td height="2" colspan="9">
<div align="center"><b>CORBA Secure Interoperability Checklist</b></div>
</td>
</tr>
<tr>
<td>
<div align="center"><b>Interoperability</b></div>
</td>
<td colspan="7">
<div align="center"><b>IIOP</b></div>
</td>
<td>
<div align="center"><b>DCE</b></div>
</td>
</tr>
<tr>
<td rowspan="3">
<div align="center"><b>Level</b></div>
</td>
<td colspan="6">
<div align="center"><b>SECIOP</b></div>
</td>
<td rowspan="3">
<div align="center"><b>SSL</b></div>
<div align="center"></div>
<div align="center"></div>
</td>
<td rowspan="3">
<div align="center"><b>CIOP</b></div>
<div align="center"></div>
<div align="center"></div>
</td>
</tr>
<tr>
<td colspan="2">
<div align="center"><b>SPKM</b></div>
</td>
<td rowspan="2">
<div align="center"><b>Kerberos</b></div>
</td>
<td colspan="3">
<div align="center"><b>CSI-ECMA</b></div>
</td>
</tr>
<tr>
<td>
<div align="center"><b>SPKM 1</b></div>
</td>
<td>
<div align="center"><b>SPKM 2</b></div>
</td>
<td>
<div align="center"><b>Private</b></div>
</td>
<td>
<div align="center"><b>Public</b></div>
</td>
<td>
<div align="center"><b>Hybrid</b></div>
</td>
</tr>
<tr>
<td>
<div align="center">Level 0</div>
</td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td bgcolor="#33FF33"> </td>
<td> </td>
</tr>
<tr>
<td>
<div align="center">Level 1</div>
</td>
<td bgcolor="#999999"> </td>
<td bgcolor="#999999"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td bgcolor="#999999"> </td>
<td> </td>
</tr>
<tr>
<td>
<div align="center">Level 2</div>
</td>
<td bgcolor="#999999"> </td>
<td bgcolor="#999999"> </td>
<td bgcolor="#999999"> </td>
<td> </td>
<td> </td>
<td> </td>
<td bgcolor="#999999"> </td>
<td> </td>
</tr>
</table>
<p> </p>
<table width="71%" border="1" align="center">
<tr>
<td width="22%" height="32">
<div align="center"><b>Supported</b></div>
</td>
<td width="18%" height="32">
<div align="center"><b>Pending</b></div>
</td>
<td width="16%" height="32">
<div align="center"><b>N/A</b></div>
</td>
</tr>
<tr>
<td width="22%" height="32" bgcolor="#33FF33">
<div align="left"></div>
</td>
<td width="18%" height="32" bgcolor="#3333FF">
<div align="left"></div>
</td>
<td width="16%" height="32" bgcolor="#999999">
<div align="left"></div>
</td>
</tr>
</table>
<h3>1.2 Scope of Product<a name="Introduction_2"></a></h3>
<p> TAO supports confidential communication through its IIOP over SSL pluggable
protocol, <a href="SSLIOP.html">SSLIOP</a>.</p>
<h3>1.3 Security Overview<a name="Introduction_3"></a></h3>
<p>Using TAO's SSLIOP pluggable protocol, it is possible to ensure that all
remote method invocations between ORBs that implement IIOP over SSL are confidential.
This is made possible by the confidentiality the Secure Socket Layer (SSL)
provides. X.509 certificate-based access control is also possible using TAO's
<code>SSLIOP::Current</code> extension.</p>
<ul>
<ul>
<blockquote>
<ul>
<ul>
<ul>
</ul>
</ul>
</ul>
</blockquote>
</ul>
</ul>
<h2>2. Security Conformance<a name="Security_Conformance"></a></h2>
<p>TAO conformance to the CORBA Security Service is detailed in this section.</p>
<h3>2.1 Main Security Functionality Level<a name="Security_Conformance_1"></a></h3>
<p>Work is currently underway to implement Security Functionality Level 1.</p>
<h3>2.2 Security Functionality Options<a name="Security_Conformance_2"></a></h3>
<p>There are no current plans to implement non-repudiation. However, this may
change in the future.</p>
<h3>2.3 Security Replaceability<a name="Security_Conformance_3"></a></h3>
<p>Work is currently underway to implement the core Security Replaceability
components detailed in the Security Service.</p>
<h3>2.4 Secure Interoperability<a name="Security_Conformance_4"></a></h3>
<p>TAO supports SSL based interoperability. It uses <a href="http://www.openssl.org/">OpenSSL</a>
as its underlying SSL implementation.</p>
<h3>2.5 Level of Interoperability<a name="Security_Conformance_5"></a></h3>
<p>TAO supports <i>level 0</i> interoperability through its IIOP over SSL pluggable
protocol, <a href="SSLIOP.html">SSLIOP</a>.</p>
<h3>2.6 Mechanism Profiles<a name="Security_Conformance_6"></a></h3>
<p>All cryptographic profiles supported by SSL, OpenSSL in particular, are supported
by TAO. ORBs that support those profiles should be able to interoperate with
TAO. </p>
<h2>3. Assurance<a name="Assurance"></a></h2>
<h3>3.1 Philosophy of Protection<a name="Assurance_1"></a></h3>
<h3>3.2 Threats<a name="Assurance_2"></a></h3>
<h3>3.3 Security Policies<a name="Assurance_3"></a></h3>
<h3>3.4 Security Protection Mechanisms<a name="Assurance_4"></a></h3>
<h3>3.5 Environmental Support<a name="Assurance_5"></a></h3>
<h3>3.6 Configuration Constraints<a name="Assurance_6"></a></h3>
<h3>3.7 Security Policy Extensions<a name="Assurance_7"></a></h3>
<h2>4. Supplemental Product Information<a name="Supplemental"></a></h2>
<!-- #EndEditable --></div>
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