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gnutls_session_key_update(3)        gnutls        gnutls_session_key_update(3)


NAME

       gnutls_session_key_update - API function


SYNOPSIS

       #include <gnutls/gnutls.h>

       int gnutls_session_key_update(gnutls_session_t session, unsigned
       flags);


ARGUMENTS

       gnutls_session_t session
                   is a gnutls_session_t type.

       unsigned flags
                   zero of GNUTLS_KU_PEER


DESCRIPTION

       This function will update/refresh the session keys when the TLS
       protocol is 1.3 or better. The peer is notified of the update by
       sending a message, so this function should be treated similarly to
       gnutls_record_send() --i.e., it may return GNUTLS_E_AGAIN or
       GNUTLS_E_INTERRUPTED.

       When this flag GNUTLS_KU_PEER is specified, this function in addition
       to updating the local keys, will ask the peer to refresh its keys too.

       If the negotiated version is not TLS 1.3 or better this function will
       return GNUTLS_E_INVALID_REQUEST.


RETURNS

       GNUTLS_E_SUCCESS on success, otherwise a negative error code.


SINCE

       3.6.3


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_session_key_update(3)

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