gnutls_certificate_set_retrieve_function man page on Archlinux

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       gnutls_certificate_set_retrieve_function - API function

       #include <gnutls/gnutls.h>

       void   gnutls_certificate_set_retrieve_function(gnutls_certificate_cre‐
       dentials_t cred, gnutls_certificate_retrieve_function * func);

       gnutls_certificate_credentials_t cred
		   is a gnutls_certificate_credentials_t structure.

       gnutls_certificate_retrieve_function * func
		   is the callback function

       This function sets a callback to be called in  order  to	 retrieve  the
       certificate  to	be  used  in  the  handshake.  You  are advised to use
       gnutls_certificate_set_retrieve_function2() because  it	is  much  more
       efficient in the processing it requires from gnutls.

       The callback's function prototype is: int (*callback)(gnutls_session_t,
       const  gnutls_datum_t*  req_ca_dn,  int	nreqs,	const  gnutls_pk_algo‐
       rithm_t* pk_algos, int pk_algos_length, gnutls_retr2_st* st);

	req_ca_cert  is only used in X.509 certificates.  Contains a list with
       the CA names that the server considers  trusted.	  Normally  we	should
       send  a certificate that is signed by one of these CAs. These names are
       DER  encoded.  To  get  a  more	meaningful  value  use	the   function

	pk_algos  contains  a  list  with  server's acceptable signature algo‐
       rithms.	The certificate returned should	 support  the  server's	 given

	st should contain the certificates and private keys.

       If  the	callback function is provided then gnutls will call it, in the
       handshake, after the certificate request message has been received.

       In server side pk_algos and req_ca_dn are NULL.

       The callback function should set the certificate list to be  sent,  and
       return  0 on success. If no certificate was selected then the number of
       certificates should be set to zero. The value (-1) indicates error  and
       the handshake will be terminated.


       Report bugs to <>.
       Home page:

       Copyright © 2001-2014 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.

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

gnutls				   gnutls_certificate_set_retrieve_function(3)

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