gnutls_x509_crt_get_authority_info_access man page on Manjaro
gnutls_x509_crt_get_authority_info_access - API function
int gnutls_x509_crt_get_authority_info_access(gnutls_x509_crt_t crt,
unsigned int seq, int what, gnutls_datum_t * data, unsigned int * crit‐
Holds the certificate
unsigned int seq
specifies the sequence number of the access descriptor (0
for the first one, 1 for the second etc.)
int what what data to get, a gnutls_info_access_what_t type.
gnutls_datum_t * data
output data to be freed with gnutls_free().
unsigned int * critical
pointer to output integer that is set to non-0 if the
extension is marked as critical (may be NULL)
Note that a simpler API to access the authority info data is provided
by gnutls_x509_aia_get() and gnutls_x509_ext_import_aia().
This function extracts the Authority Information Access (AIA) exten‐
sion, see RFC 5280 section 188.8.131.52 for more information. The AIA
extension holds a sequence of AccessDescription (AD) data.
The seq input parameter is used to indicate which member of the
sequence the caller is interested in. The first member is 0, the sec‐
ond member 1 and so on. When the seq value is out of bounds,
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE is returned.
The type of data returned in data is specified via what which should
be gnutls_info_access_what_t values.
If what is GNUTLS_IA_ACCESSMETHOD_OID then data will hold the access‐
Method OID (e.g., "184.108.40.206.220.127.116.11.1").
If what is GNUTLS_IA_ACCESSLOCATION_GENERALNAME_TYPE, data will hold
the accessLocation GeneralName type (e.g., "uniformResourceIdenti‐
If what is GNUTLS_IA_URI, data will hold the accessLocation URI data.
Requesting this what value leads to an error if the accessLocation is
not of the "uniformResourceIdentifier" type.
If what is GNUTLS_IA_OCSP_URI, data will hold the OCSP URI. Request‐
ing this what value leads to an error if the accessMethod is not
18.104.22.168.22.214.171.124.1 aka OSCP, or if accessLocation is not of the "uni‐
If what is GNUTLS_IA_CAISSUERS_URI, data will hold the caIssuers URI.
Requesting this what value leads to an error if the accessMethod is
not 126.96.36.199.188.8.131.52.2 aka caIssuers, or if accessLocation is not of
the "uniformResourceIdentifier" type.
More what values may be allocated in the future as needed.
If data is NULL, the function does the same without storing the output
data, that is, it will set critical and do error checking as usual.
The value of the critical flag is returned in * critical . Supply a
NULL critical if you want the function to make sure the extension is
non-critical, as required by RFC 5280.
GNUTLS_E_SUCCESS on success, GNUTLS_E_INVALID_REQUEST on invalid crt ,
GNUTLS_E_CONSTRAINT_ERROR if the extension is incorrectly marked as
critical (use a non-NULL critical to override), GNUTLS_E_UNKNOWN_ALGO‐
RITHM if the requested OID does not match (e.g., when using
GNUTLS_IA_OCSP_URI), otherwise a negative error code.
Report bugs to <email@example.com>.
Home page: http://www.gnutls.org
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Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
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