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 © 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 notice and this notice are preserved.

SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit

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