nh_ctx
static void nh_transform(nh_ctx *hc, const UINT8 *buf, UINT32 nbytes)
static void nh_reset(nh_ctx *hc)
static void nh_init(nh_ctx *hc, aes_int_key prf_key)
static void nh_update(nh_ctx *hc, const UINT8 *buf, UINT32 nbytes)
static void nh_final(nh_ctx *hc, UINT8 *result)
static void nh(nh_ctx *hc, const UINT8 *buf, UINT32 padded_len,
nh_ctx hash; /* Hash context for L1 NH hash */