---
name: "gnutls_system_key_add_x509"
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_system_key_add_x509"
---

# gnutls\_system\_key\_add\_x509(3)

API function

## NAME

gnutls\_system\_key\_add\_x509 - API function

## SYNOPSIS

**#include \<gnutls/system-keys.h\>**

**int gnutls\_system\_key\_add\_x509(gnutls\_x509\_crt\_t** *crt***, gnutls\_x509\_privkey\_t** *privkey***, const char \*** *label***, char \*\*** *cert\_url***, char \*\*** *key\_url***);**

## ARGUMENTS

- gnutls\_x509\_crt\_t crt

  the certificate to be added

- gnutls\_x509\_privkey\_t privkey

  the key to be added

- const char \* label

  the friendly name to describe the key

- char \*\* cert\_url

  if non-NULL it will contain an allocated value with the certificate URL

- char \*\* key\_url

  if non-NULL it will contain an allocated value with the key URL

## DESCRIPTION

This function will added the given key and certificate pair, to the system list.

## RETURNS

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

## SINCE

3\.4.0

## 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/