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<title>CMS_EncryptedData_decrypt</title>
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<ul id="index">
<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</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>
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<h1 id="NAME">NAME</h1>
<p>CMS_EncryptedData_decrypt - Decrypt CMS EncryptedData</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<pre><code> #include <openssl/cms.h>
int CMS_EncryptedData_decrypt(CMS_ContentInfo *cms,
const unsigned char *key, size_t keylen,
BIO *dcont, BIO *out, unsigned int flags);</code></pre>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<p>CMS_EncryptedData_decrypt() decrypts a <i>cms</i> EncryptedData object using the symmetric <i>key</i> of size <i>keylen</i> bytes. <i>out</i> is a BIO to write the content to and <i>flags</i> is an optional set of flags. <i>dcont</i> is used in the rare case where the encrypted content is detached. It will normally be set to NULL.</p>
<p>The following flags can be passed in the <b>flags</b> parameter.</p>
<p>If the <b>CMS_TEXT</b> flag is set MIME headers for type <b>text/plain</b> are deleted from the content. If the content is not of type <b>text/plain</b> then an error is returned.</p>
<h1 id="RETURN-VALUES">RETURN VALUES</h1>
<p>CMS_EncryptedData_decrypt() returns 0 if an error occurred otherwise it returns 1.</p>
<h1 id="SEE-ALSO">SEE ALSO</h1>
<p><a href="../man3/ERR_get_error.html">ERR_get_error(3)</a>, <a href="../man3/CMS_EncryptedData_encrypt.html">CMS_EncryptedData_encrypt(3)</a></p>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.</p>
<p>Licensed under the Apache License 2.0 (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>
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