AES_BLOCK_MASK
nbytes & AES_BLOCK_MASK);
nbytes & AES_BLOCK_MASK);
nbytes & AES_BLOCK_MASK, walk.iv);
nbytes & AES_BLOCK_MASK, walk.iv);
if (nbytes & AES_BLOCK_MASK)
nbytes & AES_BLOCK_MASK, walk.iv);
nbytes &= ~AES_BLOCK_MASK;