---
name: "gnutls_openpgp_crt_get_subkey_expiration_time"
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_crt_get_subkey_expiration_time"
---

# gnutls\_openpgp\_crt\_get\_subkey\_expiration\_time(3)

API function

## NAME

gnutls\_openpgp\_crt\_get\_subkey\_expiration\_time - API function

## SYNOPSIS

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

**time\_t gnutls\_openpgp\_crt\_get\_subkey\_expiration\_time(gnutls\_openpgp\_crt\_t** *key***, unsigned int** *idx***);**

## ARGUMENTS

- gnutls\_openpgp\_crt\_t key

  the structure that contains the OpenPGP public key.

- unsigned int idx

  the subkey index

## DESCRIPTION

Get subkey expiration time.  A value of '0' means that the key doesn't expire at all.

## RETURNS

the time when the OpenPGP key expires.

## 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/