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| <div class="titlepage"><div><div><h1 class="title"> |
| <a name="proxy"></a>Proxy Module</h1></div></div></div> |
| <p>When an application is aware of the fact that coordination |
| is necessary between multiple consumers of a PKCS#11 module, and wants |
| to load standard configured PKCS#11 modules, it can link to |
| <code class="literal">p11-kit</code> and use the functions there to provide this |
| functionality.</p> |
| <p>However most current consumers of PKCS#11 are ignorant of |
| this problem, and do not link to p11-kit. In order to solve this |
| multiple initialization problem for all applications, |
| <code class="literal">p11-kit</code> provides a proxy compatibility |
| module.</p> |
| <p>This proxy module acts like a normal PKCS#11 module, but |
| internally loads a preconfigured set of PKCS#11 modules and |
| manages their features as described earlier. Each slot in the configured modules |
| is exposed as a slot of the <code class="literal">p11-kit</code> proxy module. The proxy |
| module is then used as a normal PKCS#11 module would be. It can be loaded by |
| crypto libraries like NSS and behaves as expected.</p> |
| <p>The <code class="literal">C_GetFunctionList</code>, |
| <code class="literal">C_GetInterfaceList</code> and <code class="literal">C_GetInterface</code> |
| exported entry points of the proxy module returns a new managed PKCS#11 module |
| each time it is called. These managed instances are released when the proxy |
| module is unloaded.</p> |
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