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gnutls_x509_ext_import_key_usage(3) gnutls gnutls_x509_ext_import_key_usage(3)

NAME
       gnutls_x509_ext_import_key_usage	- API function

SYNOPSIS
       #include	<gnutls/x509-ext.h>

       int  gnutls_x509_ext_import_key_usage(const  gnutls_datum_t  * ext, un-
       signed int * key_usage);

ARGUMENTS
       const gnutls_datum_t * ext
		   the DER encoded extension data

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

DESCRIPTION
       This function will return certificate's key usage, by reading  the  DER
       data  of	 the keyUsage X.509 extension (2.5.29.15). The key usage value
       will    ORed    values	 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_ENCI-
       PHER_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
       3.3.0

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org

COPYRIGHT
       Copyright (C) 2001- Free	Software Foundation, Inc., and others.
       Copying and distribution	of this	file, with  or	without	 modification,
       are  permitted in any medium without royalty provided the copyright no-
       tice and	this notice are	preserved.

SEE ALSO
       The full	documentation for gnutls is maintained as  a  Texinfo  manual.
       If the /usr/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

       https://www.gnutls.org/manual/

gnutls				    3.6.15 gnutls_x509_ext_import_key_usage(3)

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO

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