Commit 5edcadb1 authored by Rob Percival's avatar Rob Percival Committed by Matt Caswell
Browse files

Documents the CTLOG functions



CTLOG_new_null() has been removed from the code, so it has also been
removed from this POD.

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
Reviewed-by: default avatarMatt Caswell <matt@openssl.org>
parent 0e74d7ca
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+25 −4
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@@ -2,7 +2,7 @@

=head1 NAME

CTLOG_new, CTLOG_new_null, CTLOG_new_from_base64, CTLOG_free,
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

@@ -11,7 +11,6 @@ encapsulates information about a Certificate Transparency log
 #include <openssl/ct.h>

 CTLOG *CTLOG_new(EVP_PKEY *public_key, const char *name);
 CTLOG *CTLOG_new_null(void);
 int CTLOG_new_from_base64(CTLOG ** ct_log,
                           const char *pkey_base64, const char *name);
 void CTLOG_free(CTLOG *log);
@@ -22,15 +21,37 @@ encapsulates information about a Certificate Transparency log

=head1 DESCRIPTION

CTLOG_new() 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.

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.

=head1 NOTES
Regardless of whether CTLOG_new() or CTLOG_new_from_base64() is used, it is the
caller's responsibility to pass the CTLOG to CTLOG_free() once it is no longer
needed. This will delete it and, if created by CTLOG_new(), the EVP_PKEY that
was passed to it.

CTLOG_get0_name() returns the name of the log, as provided when the CTLOG was
created. Ownership of the string remains with the CTLOG.

CTLOG_get0_log_id() sets *log_id to point to a string containing that log's
LogID (see RFC 6962). 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.

CTLOG_get0_public_key() returns the public key of the CT log. Ownership of the
EVP_PKEY remains with the CTLOG.
with

=head1 RETURN VALUES

CTLOG_new() will return NULL if an error occurs.

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

=head1 SEE ALSO

+1 −0
Original line number Diff line number Diff line
@@ -388,6 +388,7 @@ SCT *o2i_SCT(SCT **psct, const unsigned char **in, size_t len);

/*
 * Creates a new CT log instance with the given |public_key| and |name|.
 * Takes ownership of |public_key| but copies |name|.
 * Returns NULL if malloc fails or if |public_key| cannot be converted to DER.
 * Should be deleted by the caller using CTLOG_free when no longer needed.
 */