gnutls_privkey_derive_secret(3) gnutls gnutls_privkey_derive_secret(3)

gnutls_privkey_derive_secret - API function

#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);

a private key of type gnutls_privkey_t
a public key of type gnutls_pubkey_t
an optional nonce value
where shared secret will be stored
must be zero

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.

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

3.8.2

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

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3.8.8 gnutls