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gnutls_psk_set...tials_function3(3) gnutls gnutls_psk_set...tials_function3(3) NAME gnutls_psk_set_client_credentials_function3 - API function SYNOPSIS #include <gnutls/gnutls.h> void gnutls_psk_set_client_credentials_function3(gnutls_psk_client_cre- dentials_t cred, gnutls_psk_client_credentials_function3 * func); ARGUMENTS 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 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 as- sociated with the key. The callback may import external PSK using the method described in RFC 9258 by using gnutls_psk_format_imported_iden- tity(). The data field of username , key , and context must be allocated us- ing 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 er- ror. REPORTING BUGS Report bugs to <bugs@gnutls.org>. Home page: https://www.gnutls.org COPYRIGHT Copyright (C) 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 no- tice 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 3.8.9 gnutls_psk_set...tials_function3(3)
NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | REPORTING BUGS | COPYRIGHT | SEE ALSO
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