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message integrity

   Also found in: Wikipedia 0.01 sec.
message integrity
The validity of a transmitted message. It deals with methods that ensure that the contents of a message have not been tampered with and altered. The most common approach is to use a one-way hash function that combines all the bytes in the message with a secret key and produces a message digest that is impossible to reverse. Integrity checking is one component of an information security program. See one-way hash function, security protocol, Parkerian Hexad and data integrity.


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