Message authentication code
In cryptography, a message authentication code (MAC), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity-checking a message. In other words, it is used to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity). The MAC value allows verifiers (who also possess a secret key) to detect any changes to the message content.
Message authentication code - Wikipedia Jump to content From Wikipedia, the free encyclopedia Information used for message authentication and integrity checking In cryptography , a message authentication code ( MAC ), sometimes known as an authentication tag , is a short piece of information used for authenticating and integrity -checking a message. In other words, it is used to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity). The MAC value allows verifiers (who also possess a secret key) to detect any changes to the message cont
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