---
name: "gnutls_x509_ext_import_authority_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_x509_ext_import_authority_key_id"
---

# gnutls\_x509\_ext\_import\_authority\_key\_id(3)

API function

## NAME

gnutls\_x509\_ext\_import\_authority\_key\_id - API function

## SYNOPSIS

**#include \<gnutls/x509-ext.h\>**

**int gnutls\_x509\_ext\_import\_authority\_key\_id(const gnutls\_datum\_t \*** *ext***, gnutls\_x509\_aki\_t** *aki***, unsigned int** *flags***);**

## ARGUMENTS

- const gnutls\_datum\_t \* ext

  a DER encoded extension

- gnutls\_x509\_aki\_t aki

  An initialized authority key identifier type

- unsigned int flags

  should be zero

## DESCRIPTION

This function will return the subject key ID stored in the provided AuthorityKeyIdentifier extension.

## RETURNS

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, **GNUTLS\_E\_REQUESTED\_DATA\_NOT\_AVAILABLE** if the extension is not present, otherwise a negative error value.

## SINCE

3\.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/