---
name: "gnutls_pubkey_get_openpgp_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_pubkey_get_openpgp_key_id"
---

# gnutls\_pubkey\_get\_openpgp\_key\_id(3)

API function

## NAME

gnutls\_pubkey\_get\_openpgp\_key\_id - API function

## SYNOPSIS

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

**int gnutls\_pubkey\_get\_openpgp\_key\_id(gnutls\_pubkey\_t** *key***, unsigned int** *flags***, unsigned char \*** *output\_data***, size\_t \*** *output\_data\_size***, unsigned int \*** *subkey***);**

## ARGUMENTS

- gnutls\_pubkey\_t key

  Holds the public key

- unsigned int flags

  should be one of the flags from **gnutls\_keyid\_flags\_t**

- unsigned char \* output\_data

  will contain the key ID

- size\_t \* output\_data\_size

  holds the size of output\_data (and will be replaced by the actual size of parameters)

- unsigned int \* subkey

  ignored

## DESCRIPTION

This function is no-op.

## RETURNS

**GNUTLS\_E\_UNIMPLEMENTED\_FEATURE**.

## SINCE

2\.12.0

## 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/