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信息鉴定

信息鉴定(Message authentication),又稱数据原发鉴别,是信息安全中指一项信息在传输过程中未受更改(数据完整性)且接收方能验证信息来源的性质。[1]信息鉴定不需要不可否认(Non-repudiation)性质。[2][3]

信息鉴定通常通过使用訊息鑑別碼认证加密數位簽章方式完成。

部分密码学家将“未经保密的信息身份验证”系统——即允许预定的收件人验证来源信息,但不介意隐藏信息的纯文本内容——与认证加密系统区分开来。[4]还有一部分密码学家研究使用阈下信道(Subliminal channel)发送明文信息,但实际上发送的是密文。

另请参阅

参考文献

  1. ^ Mihir Bellare. Chapter 7: Message Authentication (PDF). CSE 207: Modern Cryptography. Lecture notes for cryptography course. [2018-08-09]. (原始内容存档 (PDF)于2018-10-09). 
  2. ^ Alfred J. Menezes, Paul C. van Oorschot, Scott A. Vanstone. Chapter 9 - Hash Functions and Data Integrity (PDF). Handbook of Applied Cryptography. : 361 [2012-07-15]. (原始内容存档于2020-11-27). 
  3. ^ Data Origin Authentication. Web Service Security. Microsoft Developer Network. [2018-08-09]. (原始内容存档于2017-05-19). 
  4. ^ G. Longo, M. Marchi, A. Sgarro "Geometries, Codes and Cryptography"页面存档备份,存于互联网档案馆). p. 188.
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信息鉴定
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