gnutls_x509_privkey_sign_data man page on FreeBSD

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gnutls_x509_privkey_sign_data(3)    gnutls    gnutls_x509_privkey_sign_data(3)

NAME
       gnutls_x509_privkey_sign_data - sign data using the private key

SYNOPSIS
       #include <gnutls/x509.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 sup‐
       ported  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.

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

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

COPYRIGHT
       Copyright © 2008 Free Software Foundation.
       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.

gnutls				     2.8.6    gnutls_x509_privkey_sign_data(3)
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