---
name: "gnutls_key_generate"
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_key_generate"
---

# gnutls\_key\_generate(3)

API function

## NAME

gnutls\_key\_generate - API function

## SYNOPSIS

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

**int gnutls\_key\_generate(gnutls\_datum\_t \*** *key***, unsigned int** *key\_size***);**

## ARGUMENTS

- gnutls\_datum\_t \* key

  is a pointer to a **gnutls\_datum\_t** which will contain a newly created key

- unsigned int key\_size

  the number of bytes of the key

## DESCRIPTION

Generates a random key of  *key\_size* bytes.

## RETURNS

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, or an error code.

## SINCE

3\.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/