---
name: "gnutls_x509_spki_set_rsa_oaep_params"
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_spki_set_rsa_oaep_params"
---

# gnutls\_x509\_spki\_set\_rsa\_oaep\_params(3)

API function

## NAME

gnutls\_x509\_spki\_set\_rsa\_oaep\_params - API function

## SYNOPSIS

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

**int gnutls\_x509\_spki\_set\_rsa\_oaep\_params(gnutls\_x509\_spki\_t** *spki***, gnutls\_digest\_algorithm\_t** *dig***, const gnutls\_datum\_t \*** *label***);**

## ARGUMENTS

- gnutls\_x509\_spki\_t spki

  the SubjectPublicKeyInfo structure

- gnutls\_digest\_algorithm\_t dig

  a digest algorithm of type **gnutls\_digest\_algorithm\_t**

- const gnutls\_datum\_t \* label

  optional label

## DESCRIPTION

This function will set the public key parameters for an RSA-OAEP algorithm, in the SubjectPublicKeyInfo structure.

## RETURNS

zero if the parameters are present or a negative value on error.

## SINCE

3\.8.4

## 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/