---
name: "gnutls_openpgp_privkey_get_subkey_id"
section: "3"
platform: "linux"
package: "gnutls-doc"
version: "3.5.8-5+deb9u5"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_openpgp_privkey_get_subkey_id"
---

# gnutls\_openpgp\_privkey\_get\_subkey\_id(3)

API function

## NAME

gnutls\_openpgp\_privkey\_get\_subkey\_id - API function

## SYNOPSIS

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

**int gnutls\_openpgp\_privkey\_get\_subkey\_id(gnutls\_openpgp\_privkey\_t** *key***, unsigned int** *idx***, gnutls\_openpgp\_keyid\_t** *keyid***);**

## ARGUMENTS

- gnutls\_openpgp\_privkey\_t key

  the structure that contains the OpenPGP secret key.

- unsigned int idx

  the subkey index

- gnutls\_openpgp\_keyid\_t keyid

  the buffer to save the keyid.

## DESCRIPTION

Get the key-id for the subkey.

## RETURNS

the 64-bit keyID of the OpenPGP key.

## SINCE

2\.4.0

## REPORTING BUGS

Report bugs to \<bugs@gnutls.org\>.\
 Home page: http://www.gnutls.org

## COPYRIGHT

Copyright © 2001-2020 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

- http://www.gnutls.org/manual/