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ossl_store.html
<?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>ossl_store</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body> <ul id="index"> <li><a href="#NAME">NAME</a></li> <li><a href="#SYNOPSIS">SYNOPSIS</a></li> <li><a href="#DESCRIPTION">DESCRIPTION</a> <ul> <li><a href="#General">General</a></li> <li><a href="#URI-schemes-and-loaders">URI schemes and loaders</a></li> <li><a href="#UI_METHOD-and-pass-phrases">UI_METHOD and pass phrases</a></li> </ul> </li> <li><a href="#EXAMPLES">EXAMPLES</a> <ul> <li><a href="#A-generic-call">A generic call</a></li> </ul> </li> <li><a href="#SEE-ALSO">SEE ALSO</a></li> <li><a href="#COPYRIGHT">COPYRIGHT</a></li> </ul> <h1 id="NAME">NAME</h1> <p>ossl_store - Store retrieval functions</p> <h1 id="SYNOPSIS">SYNOPSIS</h1> <p>#include <openssl/store.h></p> <h1 id="DESCRIPTION">DESCRIPTION</h1> <h2 id="General">General</h2> <p>A STORE is a layer of functionality to retrieve a number of supported objects from a repository of any kind, addressable as a filename or as a URI.</p> <p>The functionality supports the pattern "open a channel to the repository", "loop and retrieve one object at a time", and "finish up by closing the channel".</p> <p>The retrieved objects are returned as a wrapper type <b>OSSL_STORE_INFO</b>, from which an OpenSSL type can be retrieved.</p> <h2 id="URI-schemes-and-loaders">URI schemes and loaders</h2> <p>Support for a URI scheme is called a STORE "loader", and can be added dynamically from the calling application or from a loadable engine.</p> <p>Support for the 'file' scheme is built into <code>libcrypto</code>. See <a href="../man7/ossl_store-file.html">ossl_store-file(7)</a> for more information.</p> <h2 id="UI_METHOD-and-pass-phrases">UI_METHOD and pass phrases</h2> <p>The <b>OSS_STORE</b> API does nothing to enforce any specific format or encoding on the pass phrase that the <b>UI_METHOD</b> provides. However, the pass phrase is expected to be UTF-8 encoded. The result of any other encoding is undefined.</p> <h1 id="EXAMPLES">EXAMPLES</h1> <h2 id="A-generic-call">A generic call</h2> <pre><code> OSSL_STORE_CTX *ctx = OSSL_STORE_open("file:/foo/bar/data.pem"); /* * OSSL_STORE_eof() simulates file semantics for any repository to signal * that no more data can be expected */ while (!OSSL_STORE_eof(ctx)) { OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); /* * Do whatever is necessary with the OSSL_STORE_INFO, * here just one example */ switch (OSSL_STORE_INFO_get_type(info)) { case OSSL_STORE_INFO_CERT: /* Print the X.509 certificate text */ X509_print_fp(stdout, OSSL_STORE_INFO_get0_CERT(info)); /* Print the X.509 certificate PEM output */ PEM_write_X509(stdout, OSSL_STORE_INFO_get0_CERT(info)); break; } } OSSL_STORE_close(ctx);</code></pre> <h1 id="SEE-ALSO">SEE ALSO</h1> <p><a href="../man3/OSSL_STORE_INFO.html">OSSL_STORE_INFO(3)</a>, <a href="../man3/OSSL_STORE_LOADER.html">OSSL_STORE_LOADER(3)</a>, <a href="../man3/OSSL_STORE_open.html">OSSL_STORE_open(3)</a>, <a href="../man3/OSSL_STORE_expect.html">OSSL_STORE_expect(3)</a>, <a href="../man3/OSSL_STORE_SEARCH.html">OSSL_STORE_SEARCH(3)</a></p> <h1 id="COPYRIGHT">COPYRIGHT</h1> <p>Copyright 2016-2021 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>
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