typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen);
typedef void transform_delkey_fn(void *st);
typedef void transform_destroyinstance_fn(void *st);
typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen);
typedef void transform_delkey_fn(void *st);
typedef void transform_destroyinstance_fn(void *st);