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gnutls_psk_set_server_credentials_function(3)                           gnutls

NAME
       gnutls_psk_set_server_credentials_function - API function

SYNOPSIS
       #include <gnutls/gnutls.h>

       void
       gnutls_psk_set_server_credentials_function(gnutls_psk_server_credentials_t
       cred, gnutls_psk_server_credentials_function         * func);

ARGUMENTS
       gnutls_psk_server_credentials_t         cred
                   is a gnutls_psk_server_credentials_t type.

       gnutls_psk_server_credentials_function         * func
                   is the callback function

DESCRIPTION
       This function can be used to set a callback to retrieve the user's PSK
       credentials.  The callback's function form is: int
       (*callback)(gnutls_session_t, const char* username, gnutls_datum_t*
       key);

        username contains the actual username.  The  key must be filled in
       using the gnutls_malloc().

       In case the callback returned a negative number then gnutls will assume
       that the username does not exist.

       The callback function will only be called once per handshake.  The
       callback function should return 0 on success, while -1 indicates an
       error.

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org

COPYRIGHT
       Copyright (C) 2001- 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
       The full documentation for gnutls is maintained as a Texinfo manual.
       If the /usr/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

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

gnutls                               3.7.9
                                 gnutls_psk_set_server_credentials_function(3)