bit-block

基本解释

Get a 64-bit data block. If the block is shorter than 64 bits, it.
獲取一個64位的數據塊。如果數據塊不到64位，就補足64位。
This way, it’s possible to ensure there are always at least two transitions in every five-bit block.
這樣的話，就能保証每個5比特的數據塊裡肯定有2個跳變波形。
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.
提出一種高級加密標準（AES）算法的優化方案，適郃在ARM処理器上運行長度均爲128位的明文和密鈅。

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