CTLOG_free (3)

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NAME

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

SYNOPSIS

 #include <openssl/ct.h>

 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);

DESCRIPTION

CTLOG_new() returns a new that represents the Certificate Transparency () 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.

CTLOG_new_from_base64() also creates a new

but takes the public key in base64-encoded form and sets the ct_log pointer to point to the new The base64 will be decoded and the public key parsed.

Regardless of whether CTLOG_new() or CTLOG_new_from_base64() is used, it is the caller's responsibility to pass the

to CTLOG_free() once it is no longer needed. This will delete it and, if created by CTLOG_new(), the that was passed to it.

CTLOG_get0_name() returns the name of the log, as provided when the

was created. Ownership of the string remains with the

CTLOG_get0_log_id() sets *log_id to point to a string containing that log's LogID (see

). It sets *log_id_len to the length of that LogID. For a v1 log, the LogID will be a hash (i.e. 32 bytes long). Ownership of the string remains with the

CTLOG_get0_public_key() returns the public key of the

log. Ownership of the remains with the

RETURN VALUES

CTLOG_new() will return if an error occurs.

CTLOG_new_from_base64() will return 1 on success, 0 otherwise.

SEE ALSO

ct(3)

HISTORY

These functions were added in OpenSSL 1.1.0.

COPYRIGHT

Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.

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

in the source distribution or at <www.openssl.org/source/license.html>.