CentOS 7.0 - man page for gnutls_x509_crt_get_key_purpose_oid (centos section 3)
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gnutls_x509_crt_get_key_purpose_oid(3) gnutls gnutls_x509_crt_get_key_purpose_oid(3)
gnutls_x509_crt_get_key_purpose_oid - API function
int gnutls_x509_crt_get_key_purpose_oid(gnutls_x509_crt_t cert, int indx, void * oid,
size_t * oid_size, unsigned int * critical);
should contain a gnutls_x509_crt_t structure
int indx This specifies which OID to return. Use (0) to get the first one.
void * oid a pointer to a buffer to hold the OID (may be null)
size_t * oid_size
initially holds the size of oid
unsigned int * critical
output flag to indicate criticality of extension
This function will extract the key purpose OIDs of the Certificate specified by the given
index. These are stored in the Extended Key Usage extension (22.214.171.124) See the
GNUTLS_KP_* definitions for human readable names.
If oid is null then only the size will be filled. The oid returned will be null termi-
nated, although oid_size will not account for the trailing null.
GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough, and in that case
the *oid_size will be updated with the required size. On success 0 is returned.
Report bugs to <firstname.lastname@example.org>.
General guidelines for reporting bugs: http://www.gnu.org/gethelp/
GnuTLS home page: http://www.gnu.org/software/gnutls/
Copyright (C) 2012 Free Software Foundation, Inc..
Copying and distribution of this file, with or without modification, are permitted in any
medium without royalty provided the copyright notice and this notice are preserved.
The full documentation for gnutls is maintained as a Texinfo manual. If the info and
gnutls programs are properly installed at your site, the command
should give you access to the complete manual. As an alternative you may obtain the man-
gnutls 3.1.15 gnutls_x509_crt_get_key_purpose_oid(3)
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