报文摘要算法SHA-1输出的位数是（7）。
- A.100位
- B.128位
- C.160位
- D.180位
正确答案及解析
正确答案
解析
安全Hash算法（SHA-1），把信息分为512比特的分组，并且创建一个160比特的摘要。
试题答案：C
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