---
name: "gnutls_pkcs12_bag_set_key_id"
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_pkcs12_bag_set_key_id"
---

# gnutls\_pkcs12\_bag\_set\_key\_id(3)

API function

## NAME

gnutls\_pkcs12\_bag\_set\_key\_id - API function

## SYNOPSIS

**#include \<gnutls/pkcs12.h\>**

**int gnutls\_pkcs12\_bag\_set\_key\_id(gnutls\_pkcs12\_bag\_t** *bag***, unsigned** *indx***, const gnutls\_datum\_t \*** *id***);**

## ARGUMENTS

- gnutls\_pkcs12\_bag\_t bag

  The bag

- unsigned indx

  The bag's element to add the id

- const gnutls\_datum\_t \* id

  the ID

## DESCRIPTION

This function will add the given key ID, to the specified, by the index, bag element. The key ID will be encoded as a 'Local key identifier' bag attribute, which is usually used to distinguish the local private key and the certificate pair.

## RETURNS

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

## 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/