gnutls_pubkey_export(3)

API function

Section 3 gnutls-doc bookworm source

Description

gnutls_pubkey_export

NAME

gnutls_pubkey_export - API function

SYNOPSIS

#include <gnutls/abstract.h>

int gnutls_pubkey_export(gnutls_pubkey_t key, gnutls_x509_crt_fmt_t format, void * output_data, size_t * output_data_size);

ARGUMENTS

gnutls_pubkey_t key

Holds the certificate

gnutls_x509_crt_fmt_t format

the format of output params. One of PEM or DER.

void * output_data

will contain a certificate PEM or DER encoded

size_t * output_data_size

holds the size of output_data (and will be replaced by the actual size of parameters)

DESCRIPTION

This function will export the public key to DER or PEM format. The contents of the exported data is the SubjectPublicKeyInfo X.509 structure.

If the buffer provided is not long enough to hold the output, then *output_data_size is updated and GNUTLS_E_SHORT_MEMORY_BUFFER will be returned.

If the structure is PEM encoded, it will have a header of "BEGIN CERTIFICATE".

RETURNS

In case of failure a negative error code will be returned, and 0 on success.

SINCE

2.12.0

REPORTING BUGS

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

COPYRIGHT

Copyright © 2001- 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.