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gnutls_x509_crt_get_key_usage(3) [centos man page]

gnutls_x509_crt_get_key_usage(3)				      gnutls					  gnutls_x509_crt_get_key_usage(3)

NAME

       gnutls_x509_crt_get_key_usage - API function

SYNOPSIS

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_key_usage(gnutls_x509_crt_t cert, unsigned int * key_usage, unsigned int * critical);

ARGUMENTS

       gnutls_x509_crt_t cert
		   should contain a gnutls_x509_crt_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.

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_crt_get_key_usage(3)

Check Out this Related Man Page

gnutls_x509_crt_get_private_key_usage_period(3) 		      gnutls			   gnutls_x509_crt_get_private_key_usage_period(3)

NAME

       gnutls_x509_crt_get_private_key_usage_period - API function

SYNOPSIS

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_private_key_usage_period(gnutls_x509_crt_t cert, time_t* activation, time_t* expiration, unsigned int * critical);

ARGUMENTS

       gnutls_x509_crt_t cert
		   should contain a gnutls_x509_crt_t structure

       time_t* activation
		   The activation time

       time_t* expiration
		   The expiration time

       unsigned int * critical
		   the extension status

DESCRIPTION

       This  function  will  return  the  expiration  and  activation times of the private key of the certificate. It relies on the PKIX extension
       2.5.29.16 being present.

RETURNS

       On success, GNUTLS_E_SUCCESS (0) is returned, GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if the extension is not present, otherwise  a  negative
       error value.

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_crt_get_private_key_usage_period(3)
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