gnutls_dh_params_export_pkcs3 — API function

Synopsis

#include <gnutls/gnutls.h>

int gnutls_dh_params_export_pkcs3(gnutls_dh_params_t params, gnutls_x509_crt_fmt_t format, unsigned char * params_data, size_t * params_data_size);

Arguments

gnutls_dh_params_t params

Holds the DH parameters

gnutls_x509_crt_fmt_t format

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

unsigned char * params_data

will contain a PKCS3 DHParams structure PEM or DER encoded

size_t * params_data_size

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

Description

This function will export the given dh parameters to a PKCS3 DHParams structure. This is the format generated by "openssl dhparam" tool. If the buffer provided is not long enough to hold the output, then GNUTLS_E_SHORT_MEMORY_BUFFER will be returned.

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

Returns

On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error code is returned.

Reporting Bugs

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

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/

Info

3.6.9 gnutls