What are the requirements of a message authentication code.
Message Verification Code:
Macintosh represents Message Verification Code. It is a security code or label that is further to the message sent by the source to the recipient for supporting message verification and uprightness (no change in message).
Macintosh is like Message Summary (MD) then again, actually it needs the symmetric key cryptography method to confirm a message i.e., the comparable key is divided between shipper and collector. The keyed hash capability is second named for the message verification code. Macintosh is likewise characterized as Cryptographic Checksum.
A message verification code (Macintosh) calculation makes a message to be confirmed and a mystery key that is well known exclusively to the source of the message and the collector of the message and makes a Macintosh as a result. By utilizing Macintosh, a beneficiary can test the honesty of the message and legitimacy of the message i.e., regardless of whether it is showing up from the legitimate source. Macintosh doesn't upholds Non-Renouncement.
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