mirror of https://github.com/openssl/openssl
54 lines
1.4 KiB
Plaintext
54 lines
1.4 KiB
Plaintext
=pod
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=head1 NAME
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ct - Certificate Transparency
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=head1 SYNOPSIS
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#include <openssl/ct.h>
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=head1 DESCRIPTION
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This library implements Certificate Transparency (CT) verification for TLS
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clients, as defined in RFC 6962. This verification can provide some confidence
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that a certificate has been publicly logged in a set of CT logs.
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By default, these checks are disabled. They can be enabled using
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L<SSL_CTX_enable_ct(3)> or L<SSL_enable_ct(3)>.
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This library can also be used to parse and examine CT data structures, such as
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Signed Certificate Timestamps (SCTs), or to read a list of CT logs. There are
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functions for:
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- decoding and encoding SCTs in DER and TLS wire format.
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- printing SCTs.
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- verifying the authenticity of SCTs.
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- loading a CT log list from a CONF file.
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=head1 SEE ALSO
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L<d2i_SCT_LIST(3)>,
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L<CTLOG_STORE_new(3)>,
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L<CTLOG_STORE_get0_log_by_id(3)>,
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L<SCT_new(3)>,
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L<SCT_print(3)>,
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L<SCT_validate(3)>,
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L<SCT_validate(3)>,
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L<CT_POLICY_EVAL_CTX_new(3)>,
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L<SSL_CTX_set_ct_validation_callback(3)>
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=head1 HISTORY
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The ct library was added in OpenSSL 1.1.0.
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=head1 COPYRIGHT
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Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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