XTS_MAX_BLOCKS_PER_DATA_UNIT
if (len > XTS_MAX_BLOCKS_PER_DATA_UNIT * AES_BLOCK_SIZE) {
if (inl > XTS_MAX_BLOCKS_PER_DATA_UNIT * AES_BLOCK_SIZE) {
if (inl > XTS_MAX_BLOCKS_PER_DATA_UNIT * SM4_BLOCK_SIZE) {