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NAME

       gnutls_oprfi_enable_server - API function

SYNOPSIS

       #include <gnutls/gnutls.h>

       void        gnutls_oprfi_enable_server(gnutls_session_t        session,
       gnutls_oprfi_callback_func cb, void * userdata);

ARGUMENTS

       gnutls_session_t session
                   is a gnutls_session_t structure.

       gnutls_oprfi_callback_func cb
                   function pointer to Opaque PRF extension server callback.

       void * userdata
                   hook passed to callback function  for  passing  application
                   state.

DESCRIPTION

       Request  that  the server should attempt to accept the Opaque PRF Input
       TLS extension.  If the client  requests  the  extension,  the  provided
       callback  cb  will  be  invoked.   The callback must have the following
       prototype:

       int  callback  (gnutls_session_t  session,   void   *userdata,   size_t
       oprfi_len, const unsigned char *in_oprfi, unsigned char *out_oprfi);

       The  callback  can  inspect  the  client-provided  data  in  the  input
       parameters, and specify its own opaque prf input  data  in  the  output
       variable.   The  function  must  return  0  on  success,  otherwise the
       handshake will be aborted.

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.