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Results tagged with authentication
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user 53752
Authentication is successfully validating that an entity you are communicating with is actually who they claim to be. The entity typically demonstrates who they are by showing they possess a secret that only they could know.
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Should the identity of a sender be verified using additional means, or does a MAC suffice?
It is a recurring topic: what exactly is identity and how to prove it ? But related to your question: a MAC (correctly implemented) proves that the author of the message was in possession of the secr …
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