Message Authentication
What is Message Authentication. Explain?
Expert
Message Authentication: Protecting a message from an active attack has a different set of requirements.
There are several approaches to this type of message authentication:
A) Authentication using symmetric encryption.
B) Methods without message Encryption - digital signature and key-hashed message authentication codes (HMACs)
Normal 0 false false
Property Preservation: To use abstraction to show that a property holds on a concrete program, any abstractions must be property preserving. Property preservation enables you to take the results of checking the property on the abstracted program and t
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