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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>SSL_CTX_set_cert_store</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@hsxx.drive.ne.jp" /> </head> <body style="background-color: white"> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#notes">NOTES</a></li> <li><a href="#restrictions">RESTRICTIONS</a></li> <li><a href="#return_values">RETURN VALUES</a></li> <li><a href="#see_also">SEE ALSO</a></li> <li><a href="#copyright">COPYRIGHT</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <hr /> <h1><a name="name">NAME</a></h1> <p>SSL_CTX_set_cert_store, SSL_CTX_set1_cert_store, SSL_CTX_get_cert_store - manipulate X509 certificate verification storage</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> #include <openssl/ssl.h></pre> <pre> void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store); void SSL_CTX_set1_cert_store(SSL_CTX *ctx, X509_STORE *store); X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx);</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p><code>SSL_CTX_set_cert_store()</code> sets/replaces the certificate verification storage of <strong>ctx</strong> to/with <strong>store</strong>. If another X509_STORE object is currently set in <strong>ctx</strong>, it will be X509_STORE_free()ed.</p> <p>SSL_CTX_set1_cert_store() sets/replaces the certificate verification storage of <strong>ctx</strong> to/with <strong>store</strong>. The <strong>store</strong>'s reference count is incremented. If another X509_STORE object is currently set in <strong>ctx</strong>, it will be X509_STORE_free()ed.</p> <p><code>SSL_CTX_get_cert_store()</code> returns a pointer to the current certificate verification storage.</p> <p> </p> <hr /> <h1><a name="notes">NOTES</a></h1> <p>In order to verify the certificates presented by the peer, trusted CA certificates must be accessed. These CA certificates are made available via lookup methods, handled inside the X509_STORE. From the X509_STORE the X509_STORE_CTX used when verifying certificates is created.</p> <p>Typically the trusted certificate store is handled indirectly via using <em>SSL_CTX_load_verify_locations(3)</em>. Using the <code>SSL_CTX_set_cert_store()</code> and <code>SSL_CTX_get_cert_store()</code> functions it is possible to manipulate the X509_STORE object beyond the <em>SSL_CTX_load_verify_locations(3)</em> call.</p> <p>Currently no detailed documentation on how to use the X509_STORE object is available. Not all members of the X509_STORE are used when the verification takes place. So will e.g. the <code>verify_callback()</code> be overridden with the <code>verify_callback()</code> set via the <em>SSL_CTX_set_verify(3)</em> family of functions. This document must therefore be updated when documentation about the X509_STORE object and its handling becomes available.</p> <p><code>SSL_CTX_set_cert_store()</code> does not increment the <strong>store</strong>'s reference count, so it should not be used to assign an X509_STORE that is owned by another SSL_CTX.</p> <p>To share X509_STOREs between two SSL_CTXs, use <code>SSL_CTX_get_cert_store()</code> to get the X509_STORE from the first SSL_CTX, and then use SSL_CTX_set1_cert_store() to assign to the second SSL_CTX and increment the reference count of the X509_STORE.</p> <p> </p> <hr /> <h1><a name="restrictions">RESTRICTIONS</a></h1> <p>The X509_STORE structure used by an SSL_CTX is used for verifying peer certificates and building certificate chains, it is also shared by every child SSL structure. Applications wanting finer control can use functions such as SSL_CTX_set1_verify_cert_store() instead.</p> <p> </p> <hr /> <h1><a name="return_values">RETURN VALUES</a></h1> <p><code>SSL_CTX_set_cert_store()</code> does not return diagnostic output.</p> <p>SSL_CTX_set1_cert_store() does not return diagnostic output.</p> <p><code>SSL_CTX_get_cert_store()</code> returns the current setting.</p> <p> </p> <hr /> <h1><a name="see_also">SEE ALSO</a></h1> <p><em>ssl(7)</em>, <em>SSL_CTX_load_verify_locations(3)</em>, <em>SSL_CTX_set_verify(3)</em></p> <p> </p> <hr /> <h1><a name="copyright">COPYRIGHT</a></h1> <p>Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.</p> <p>Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p> </body> </html>