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Old Version 1

changes.mady.by.user Jean-luc KRIKER

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compared with

New Version 2

changes.mady.by.user Jean-luc KRIKER

Saved on

Key

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HMAC:   Hashed Message Authentication Code 




Sender ( Data + pre-shared Key ) >> Data + hash1

 Receiver: Data + preshared key) >> hash2 

Compare Hash2 wit rx Hash1