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<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="#return_values">RETURN VALUES</a></li>
<li><a href="#see_also">SEE ALSO</a></li>
<li><a href="#history">HISTORY</a></li>
<li><a href="#copyright">COPYRIGHT</a></li>
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<h1><a name="name">NAME</a></h1>
<p>CTLOG_new, CTLOG_new_from_base64, CTLOG_free,
CTLOG_get0_name, CTLOG_get0_log_id, CTLOG_get0_public_key -
encapsulates information about a Certificate Transparency log</p>
<p>
</p>
<hr />
<h1><a name="synopsis">SYNOPSIS</a></h1>
<pre>
#include <openssl/ct.h></pre>
<pre>
CTLOG *CTLOG_new(EVP_PKEY *public_key, const char *name);
int CTLOG_new_from_base64(CTLOG ** ct_log,
const char *pkey_base64, const char *name);
void CTLOG_free(CTLOG *log);
const char *CTLOG_get0_name(const CTLOG *log);
void CTLOG_get0_log_id(const CTLOG *log, const uint8_t **log_id,
size_t *log_id_len);
EVP_PKEY *CTLOG_get0_public_key(const CTLOG *log);</pre>
<p>
</p>
<hr />
<h1><a name="description">DESCRIPTION</a></h1>
<p><code>CTLOG_new()</code> returns a new CTLOG that represents the Certificate Transparency
(CT) log with the given public key. A name must also be provided that can be
used to help users identify this log. Ownership of the public key is
transferred.</p>
<p>CTLOG_new_from_base64() also creates a new CTLOG, but takes the public key in
base64-encoded DER form and sets the ct_log pointer to point to the new CTLOG.
The base64 will be decoded and the public key parsed.</p>
<p>Regardless of whether <code>CTLOG_new()</code> or CTLOG_new_from_base64() is used, it is the
caller's responsibility to pass the CTLOG to <code>CTLOG_free()</code> once it is no longer
needed. This will delete it and, if created by <code>CTLOG_new()</code>, the EVP_PKEY that
was passed to it.</p>
<p>CTLOG_get0_name() returns the name of the log, as provided when the CTLOG was
created. Ownership of the string remains with the CTLOG.</p>
<p>CTLOG_get0_log_id() sets *log_id to point to a string containing that log's
LogID (see <a href="http://www.ietf.org/rfc/rfc6962.txt" class="rfc">RFC 6962</a>). It sets *log_id_len to the length of that LogID. For a
v1 CT log, the LogID will be a SHA-256 hash (i.e. 32 bytes long). Ownership of
the string remains with the CTLOG.</p>
<p>CTLOG_get0_public_key() returns the public key of the CT log. Ownership of the
EVP_PKEY remains with the CTLOG.</p>
<p>
</p>
<hr />
<h1><a name="return_values">RETURN VALUES</a></h1>
<p><code>CTLOG_new()</code> will return NULL if an error occurs.</p>
<p>CTLOG_new_from_base64() will return 1 on success, 0 otherwise.</p>
<p>
</p>
<hr />
<h1><a name="see_also">SEE ALSO</a></h1>
<p><em>ct(7)</em></p>
<p>
</p>
<hr />
<h1><a name="history">HISTORY</a></h1>
<p>These functions were added in OpenSSL 1.1.0.</p>
<p>
</p>
<hr />
<h1><a name="copyright">COPYRIGHT</a></h1>
<p>Copyright 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>
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