gnutls_psk_set_client_credentials_function3(3) — Linux manual page

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON

gnutls_psk_s...als_function3(3)  gnutls  gnutls_psk_s...als_function3(3)

NAME         top

       gnutls_psk_set_client_credentials_function3 - API function

SYNOPSIS         top

       #include <gnutls/gnutls.h>

       void
       gnutls_psk_set_client_credentials_function3(gnutls_psk_client_credentials_t
       cred, gnutls_psk_client_credentials_function3 * func);

ARGUMENTS         top

       gnutls_psk_client_credentials_t cred
                   is a gnutls_psk_server_credentials_t type.

       gnutls_psk_client_credentials_function3 * func
                   is the callback function

DESCRIPTION         top

       This function can be used to set a callback to retrieve the
       username and password for client PSK authentication.  The
       callback's function form is: int (*callback)(gnutls_session_t,
       gnutls_datum_t* username, gnutls_datum_t* key, gnutls_datum_t*
       context, gnutls_psk_key_flags *flags);

       This callback function has the same semantics as that of
       gnutls_psk_set_client_credentials_function2(), but it returns
       flags associated with the key.  The callback may import external
       PSK using the method described in RFC 9258 by using
       gnutls_psk_format_imported_identity().

       The data field of  username ,  key , and  context must be
       allocated using gnutls_malloc().  The  username should be an
       ASCII string or UTF-8 string. In case of a UTF-8 string it is
       recommended to be following the PRECIS framework for usernames
       (rfc8265).

       The callback function will be called once per handshake.

       The callback function should return 0 on success.  -1 indicates
       an error.

REPORTING BUGS         top

       Report bugs to <[email protected]>.
       Home page: https://www.gnutls.org

COPYRIGHT         top

       Copyright © 2001-2023 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 notice and this notice are preserved.

SEE ALSO         top

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

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

COLOPHON         top

       This page is part of the GnuTLS (GnuTLS Transport Layer Security
       Library) project.  Information about the project can be found at
       ⟨http://www.gnutls.org/⟩.  If you have a bug report for this
       manual page, send it to [email protected].  This page was obtained
       from the tarball gnutls-3.8.5.tar.xz fetched from
       ⟨http://www.gnutls.org/download.html⟩ on 2024-06-14.  If you
       discover any rendering problems in this HTML version of the page,
       or you believe there is a better or more up-to-date source for
       the page, or you have corrections or improvements to the
       information in this COLOPHON (which is not part of the original
       manual page), send a mail to [email protected]

gnutls                            3.8.5  gnutls_psk_s...als_function3(3)