CC_MAX_HASH_BLCK_SIZE
if (tmp > CC_MAX_HASH_BLCK_SIZE)
((_x) + HASH_MAX_LEN_SIZE + CC_MAX_HASH_BLCK_SIZE + (2 * sizeof(u32)))
#define CC_MAX_OPAD_KEYS_SIZE CC_MAX_HASH_BLCK_SIZE
u8 buffers[2][CC_MAX_HASH_BLCK_SIZE] ____cacheline_aligned;