---
name: "gnutls_pubkey_set_spki"
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_set_spki"
---

# gnutls\_pubkey\_set\_spki(3)

API function

## NAME

gnutls\_pubkey\_set\_spki - API function

## SYNOPSIS

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

**int gnutls\_pubkey\_set\_spki(gnutls\_pubkey\_t** *pubkey***, const gnutls\_x509\_spki\_t** *spki***, unsigned int** *flags***);**

## ARGUMENTS

- gnutls\_pubkey\_t pubkey

  a public key of type **gnutls\_pubkey\_t**

- const gnutls\_x509\_spki\_t spki

  a SubjectPublicKeyInfo structure of type **gnutls\_pubkey\_spki\_t**

- unsigned int flags

  must be zero

## DESCRIPTION

This function will set the public key information. The provided  *spki* must be initialized.

## RETURNS

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

## SINCE

3\.6.0

## 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/