bit-block

基本解释

Get a 64-bit data block. If the block is shorter than 64 bits, it.
获取一个64位的数据块。如果数据块不到64位，就补足64位。
This way, it’s possible to ensure there are always at least two transitions in every five-bit block.
这样的话，就能保证每个5比特的数据块里肯定有2个跳变波形。
This paper introduces an optimization of Advanced Encryption Standard(AES) with 128-bit block length and key length. It can speed up execution on ARM microprocessor.
提出一种高级加密标准（AES）算法的优化方案，适合在ARM处理器上运行长度均为128位的明文和密钥。

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