centos man page for gnutls_x509_privkey_sign_data

gnutls_x509_privkey_sign_data(3)				      gnutls					  gnutls_x509_privkey_sign_data(3)

NAME
       gnutls_x509_privkey_sign_data - API function

SYNOPSIS
       #include <gnutls/compat.h>

       int  gnutls_x509_privkey_sign_data(gnutls_x509_privkey_t  key, gnutls_digest_algorithm_t digest, unsigned int flags, const gnutls_datum_t *
       data, void * signature, size_t * signature_size);

ARGUMENTS
       gnutls_x509_privkey_t key
		   Holds the key

       gnutls_digest_algorithm_t digest
		   should be MD5 or SHA1

       unsigned int flags
		   should be 0 for now

       const gnutls_datum_t * data
		   holds the data to be signed

       void * signature
		   will contain the signature

       size_t * signature_size
		   holds the size of signature (and will be replaced by the new size)

DESCRIPTION
       This function will sign the given data using a signature algorithm supported by the private  key.  Signature  algorithms  are  always  used
       together with a hash functions.	Different hash functions may be used for the RSA algorithm, but only SHA-1 for the DSA keys.

       If  the	buffer	provided  is not long enough to hold the output, then * signature_size is updated and GNUTLS_E_SHORT_MEMORY_BUFFER will be
       returned.

       Use gnutls_x509_crt_get_preferred_hash_algorithm() to determine the hash algorithm.

RETURNS
       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value.

DEPRECATED
       Use gnutls_privkey_sign_data().

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_privkey_sign_data(3)