static int cryptodev_dh_compute_key(unsigned char *key,
const BIGNUM *pub_key, DH *dh);
static int cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p,
static int cryptodev_dh_compute_key(unsigned char *key,
const BIGNUM *pub_key, DH *dh);
static int cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p,