---
name: "gnutls_hmac_set_nonce"
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_hmac_set_nonce"
---

# gnutls\_hmac\_set\_nonce(3)

API function

## NAME

gnutls\_hmac\_set\_nonce - API function

## SYNOPSIS

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

**void gnutls\_hmac\_set\_nonce(gnutls\_hmac\_hd\_t** *handle***, const void \*** *nonce***, size\_t** *nonce\_len***);**

## ARGUMENTS

- gnutls\_hmac\_hd\_t handle

  is a **gnutls\_hmac\_hd\_t** type

- const void \* nonce

  the data to set as nonce

- size\_t nonce\_len

  the length of data

## DESCRIPTION

This function will set the nonce in the MAC algorithm.

## SINCE

3\.2.0

## 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/