---
name: "gnutls_psk_set_server_known_dh_params"
section: "3"
platform: "linux"
package: "gnutls"
version: "3.8.13-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_psk_set_server_known_dh_params"
---

# gnutls\_psk\_set\_server\_known\_dh\_params(3)

API function

## NAME

gnutls\_psk\_set\_server\_known\_dh\_params - API function

## SYNOPSIS

**#include \<gnutls/gnutls.h\>**

**int gnutls\_psk\_set\_server\_known\_dh\_params(gnutls\_psk\_server\_credentials\_t** *res***, gnutls\_sec\_param\_t** *sec\_param***);**

## ARGUMENTS

- gnutls\_psk\_server\_credentials\_t res

  is a gnutls\_psk\_server\_credentials\_t type

- gnutls\_sec\_param\_t sec\_param

  is an option of the **gnutls\_sec\_param\_t** enumeration

## DESCRIPTION

This function will set the Diffie-Hellman parameters for a PSK server to use. These parameters will be used in Ephemeral Diffie-Hellman cipher suites and will be selected from the FFDHE set of RFC7919 according to the security level provided.

## DEPRECATED

This function is unnecessary and discouraged on GnuTLS 3.6.0 or later. Since 3.6.0, DH parameters are negotiated following RFC7919.

## RETURNS

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, otherwise a negative error value.

## SINCE

3\.5.6

## 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/