1gnutls_psk_set_server_credentials_gfnuungtcnltusit_olpnss(k3_)set_server_credentials_function(3)
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NAME

6       gnutls_psk_set_server_credentials_function - API function
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SYNOPSIS

9       #include <gnutls/gnutls.h>
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11       void  gnutls_psk_set_server_credentials_function(gnutls_psk_server_cre‐
12       dentials_t             cred,     gnutls_psk_server_credentials_function
13       * func);
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ARGUMENTS

16       gnutls_psk_server_credentials_t         cred
17                   is a gnutls_psk_server_credentials_t type.
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19       gnutls_psk_server_credentials_function         * func
20                   is the callback function
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DESCRIPTION

23       This  function can be used to set a callback to retrieve the user's PSK
24       credentials.   The   callback's   function   form   is:   int   (*call‐
25       back)(gnutls_session_t, const char* username, gnutls_datum_t* key);
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27        username  contains  the  actual  username.  The  key must be filled in
28       using the gnutls_malloc().
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30       In case the callback returned a negative number then gnutls will assume
31       that the username does not exist.
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33       The  callback  function  will  only  be called once per handshake.  The
34       callback function should return 0 on success,  while  -1  indicates  an
35       error.
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REPORTING BUGS

38       Report bugs to <bugs@gnutls.org>.
39       Home page: https://www.gnutls.org
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43       Copyright © 2001-2019 Free Software Foundation, Inc., and others.
44       Copying  and  distribution  of this file, with or without modification,
45       are permitted in any medium  without  royalty  provided  the  copyright
46       notice and this notice are preserved.
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SEE ALSO

49       The  full  documentation  for gnutls is maintained as a Texinfo manual.
50       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
51       visit
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53       https://www.gnutls.org/manual/
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55gnutls                           gnut3l.s6_.p8sk_set_server_credentials_function(3)
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