centos man page for gnutls_x509_crq_get_key_usage

gnutls_x509_crq_get_key_usage(3)				      gnutls					  gnutls_x509_crq_get_key_usage(3)

NAME
       gnutls_x509_crq_get_key_usage - API function

SYNOPSIS
       #include <gnutls/x509.h>

       int gnutls_x509_crq_get_key_usage(gnutls_x509_crq_t crq, unsigned int * key_usage, unsigned int * critical);

ARGUMENTS
       gnutls_x509_crq_t crq
		   should contain a gnutls_x509_crq_t structure

       unsigned int * key_usage
		   where the key usage bits will be stored

       unsigned int * critical
		   will be non-zero if the extension is marked as critical

DESCRIPTION
       This function will return certificate's key usage, by reading the keyUsage X.509 extension (2.5.29.15).	The key usage value will ORed val-
       ues  of	 the:	GNUTLS_KEY_DIGITAL_SIGNATURE,	GNUTLS_KEY_NON_REPUDIATION,   GNUTLS_KEY_KEY_ENCIPHERMENT,   GNUTLS_KEY_DATA_ENCIPHERMENT,
       GNUTLS_KEY_KEY_AGREEMENT, GNUTLS_KEY_KEY_CERT_SIGN, GNUTLS_KEY_CRL_SIGN, GNUTLS_KEY_ENCIPHER_ONLY, GNUTLS_KEY_DECIPHER_ONLY.

RETURNS
       the  certificate  key usage, or a negative error code in case of parsing error.	If the certificate does not contain the keyUsage extension
       GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.

SINCE
       2.8.0

REPORTING BUGS
       Report bugs to <bug-gnutls@gnu.org>.
       General guidelines for reporting bugs: http://www.gnu.org/gethelp/
       GnuTLS home page: http://www.gnu.org/software/gnutls/

COPYRIGHT
       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.

SEE ALSO
       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

	      info gnutls

       should give you access to the complete manual.  As an alternative you may obtain the manual from:

	      http://www.gnu.org/software/gnutls/manual/

gnutls								      3.1.15					  gnutls_x509_crq_get_key_usage(3)