NAME¶

gnutls_privkey_derive_secret - API function

SYNOPSIS¶

#include <gnutls/abstract.h>

int gnutls_privkey_derive_secret(gnutls_privkey_t privkey, gnutls_pubkey_t pubkey, const gnutls_datum_t * nonce, gnutls_datum_t * secret, unsigned int flags);

ARGUMENTS¶

gnutls_privkey_t privkey

a private key of type gnutls_privkey_t

gnutls_pubkey_t pubkey

a public key of type gnutls_pubkey_t

const gnutls_datum_t * nonce

an optional nonce value

gnutls_datum_t * secret

where shared secret will be stored

unsigned int flags

must be zero

DESCRIPTION¶

This function will calculate a shared secret from our privkey and peer's pubkey . The result will be stored in secret , whose data member should be freed after use using gnutls_free(). privkey and
pubkey must be backed by the X.509 keys.

RETURNS¶

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

SINCE¶

3.8.2

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/