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gnutls_dh_get_group(3)              gnutls              gnutls_dh_get_group(3)

NAME
       gnutls_dh_get_group - API function

SYNOPSIS
       #include <gnutls/gnutls.h>

       int gnutls_dh_get_group(gnutls_session_t session, gnutls_datum_t *
       raw_gen, gnutls_datum_t * raw_prime);

ARGUMENTS
       gnutls_session_t session
                   is a gnutls session

       gnutls_datum_t * raw_gen
                   will hold the generator.

       gnutls_datum_t * raw_prime
                   will hold the prime.

DESCRIPTION
       This function will return the group parameters used in the last
       Diffie-Hellman key exchange with the peer.  These are the prime and the
       generator used.  This function should be used for both anonymous and
       ephemeral Diffie-Hellman.  The output parameters must be freed with
       gnutls_free().

       Note, that the prime and generator are exported as non-negative
       integers and may include a leading zero byte.

RETURNS
       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an error code
       is returned.

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_dh_get_group(3)