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Computer security(4): Message Authentication, Hash Functions and Random Numbers

分类: 文章 • 2024-08-03 21:55:28

MAC

Computer security(4): Message Authentication, Hash Functions and Random Numbers

The advantanges of MAC

  1. The receiver is assured that the message has not been altered.
  2. Thereceiverisassuredthatthemessageisfromthealleged sender.
  3. If the message includes a sequence number then the receiver can be assured of the proper sequence.

Hash function

Computer security(4): Message Authentication, Hash Functions and Random Numbers
Computer security(4): Message Authentication, Hash Functions and Random Numbers
Computer security(4): Message Authentication, Hash Functions and Random Numbers

Random and random number

Computer security(4): Message Authentication, Hash Functions and Random Numbers
Computer security(4): Message Authentication, Hash Functions and Random Numbers

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