- 搜標(biāo)題
- 搜題干
- 搜選項
單項選擇題
Stream ciphers run on which of the following？（）
A.Fixed-length groups of digits called blocks
B.Individual blocks，one at a time，with the transformations varying during the encryption
C.Individual digits，one at a time，with the transformations varying during the encryption
D.Fixed-length groups of bits called blocks
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