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数字签名有时需要某人对一个文件签名，而又不让他知道文件内容，称为()

高老师2年前 (2024-03-26)电子商务安全导论(00997)12

数字签名有时需要某人对一个文件签名，而又不让他知道文件内容，称为()

A.RSA签名

B.盲签名

C.ELGamal签名

D.无可争辩签名

正确答案是B

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