gnutls\_x509\_crt\_set\_key(3) gnutls gnutls\_x509\_crt\_set\_key(3)

# [NAME](#NAME)

gnutls\_x509\_crt\_set\_key - API function

# [SYNOPSIS](#SYNOPSIS)

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

**int gnutls\_x509\_crt\_set\_key(gnutls\_x509\_crt\_t crt, gnutls\_x509\_privkey\_t key);**

# [ARGUMENTS](#ARGUMENTS)

[gnutls\_x509\_crt\_t crt](#gnutls_x509_crt_t)

a certificate of type **gnutls\_x509\_crt\_t**

[gnutls\_x509\_privkey\_t key](#gnutls_x509_privkey_t)

holds a private key

# [DESCRIPTION](#DESCRIPTION)

This function will set the public parameters from the given private key to the certificate.

To export the public key (i.e., the SubjectPublicKeyInfo part), check **gnutls\_pubkey\_import\_x509()**.

# [RETURNS](#RETURNS)

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

# [REPORTING BUGS](#REPORTING_BUGS)

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

# [COPYRIGHT](#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](#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/](https://www.gnutls.org/manual/)

3.8.13 gnutls

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Document: gnutls_x509_crt_set_key(3) from gnutls 3.8.13-r1 (Chainguard OS)
Source: https://gitlab.com/gnutls/gnutls